History of Denver in Timeline
Denver, the capital and most populous city of Colorado, is a consolidated city and county located in the Western United States. Situated in the South Platte River Valley on the edge of the High Plains, it lies east of the Rocky Mountains' Front Range. Denver's population was 715,522 in 2020, marking a significant increase since 2010 and making it the 19th most populous city in the U.S. As the principal city of the Denver Metropolitan area, it serves as the economic and cultural hub of the Front Range, which is home to over 5 million people.
1900: Racial demographics in Denver
In 1900, whites represented 96.8% of Denver's population. The African American and Hispanic populations increased with migrations of the 20th century.
1901: Bill proposing a constitutional amendment introduced
In 1901, a bill proposing a state constitutional amendment to allow home rule for Denver and other municipalities was introduced in the legislature and passed. The measure called for a statewide referendum.
1902: Consolidation
In 1902, Denver City served as the Arapahoe County Seat from 1861 until consolidation in 1902.
1902: Voters approve home rule
In 1902, voters approved a statewide referendum allowing home rule for Denver and other municipalities. On December 1 that year, Governor James Orman proclaimed the amendment part of the state's fundamental law, thus creating the City and County of Denver, separating it from Arapahoe and Adams counties.
1904: Robert Speer expands Denver's parks
Denver mayor Robert Speer, from 1904 to 1912 and later from 1916 to 1918, began to expand and beautify the city's parks as part of the City Beautiful movement.
1908: Denver Hosts Democratic National Convention
In 1908, Denver hosted the Democratic National Convention.
1908: Democratic National Convention
In 1908, the Municipal Auditorium in Denver hosted the Democratic National Convention. The auditorium is now known as the Ellie Caulkins Opera House.
1910: Samsonite Founded
In 1910, Samsonite began in Denver as Shwayder Trunk Manufacturing Company.
1911: Qwest Corporation Founded
In 1911, Qwest Corporation, now a part of Lumen Technologies, was founded in Denver as Mountain States Telephone & Telegraph Company.
1916: Robert Speer expands Denver's parks
Denver mayor Robert Speer, from 1916 to 1918, began to expand and beautify the city's parks as part of the City Beautiful movement.
1919: Gates Corporation Established
In 1919, The Gates Corporation, the world's largest producer of automotive belts and hoses, was established in S. Denver.
1923: Benjamin Stapleton mayor of Denver
From 1923 to 1931, Benjamin F. Stapleton was the mayor of Denver.
1923: Russell Stover Candies Made First Candy
In 1923, Russell Stover Candies made its first chocolate candy in Denver.
1929: Construction of Denver Municipal Airport begins
In 1929, construction of Denver Municipal Airport began amid heavy criticism; it was later renamed Stapleton International Airport.
1931: Benjamin Stapleton mayor of Denver
Benjamin F. Stapleton was the mayor of Denver until 1931.
1933: Denver's congressional district in Democratic hands
Since 1933, Colorado's 1st congressional district, centered in Denver, has been in Democratic hands for all but two terms.
1935: Benjamin Stapleton mayor of Denver
From 1935 to 1947, Benjamin F. Stapleton was the mayor of Denver.
October 31, 1937: Continental Airlines Moves Headquarters to Denver
On October 31, 1937, Continental Airlines, now United Airlines, moved its headquarters to Stapleton Airport in Denver, Colorado.
1947: Benjamin Stapleton mayor of Denver
Benjamin F. Stapleton was the mayor of Denver until 1947.
1948: Denver's Sister City Relationship with Brest Began
In 1948, Denver's relationship with Brest, France, began, making it the second-oldest sister city in the United States.
1950: Original Frontier Airlines Begins Operations
In 1950, the original Frontier Airlines began operations at Denver's old Stapleton International Airport.
1953: Rocky Flats Plant operations begin
From 1953, the Rocky Flats Plant, a DOE nuclear weapon facility near Denver, produced fissile plutonium "pits" for nuclear warheads.
1954: Scott's Liquid Gold Begins Production
Since 1954, Scott's Liquid Gold, Inc., has been making furniture polish in Denver.
1957: Fire at Rocky Flats Plant
In 1957, a major fire at the Rocky Flats Plant resulted in the contamination of some parts of Denver with plutonium-239.
1958: Leakage of nuclear waste stored at the site
Between 1958 and 1968, leakage from nuclear waste stored at the Rocky Flats Plant resulted in the contamination of some parts of Denver with plutonium-239.
1958: Village Inn Founded
In 1958, Village Inn restaurants began as a single pancake house in Denver.
1962: Big O Tires Opens First Franchise
In 1962, Big O Tires, LLC, of Centennial opened its first franchise in Denver.
1963: Democrats occupy mayor's office
Since the 1963 municipal election, the mayor's office has been occupied by a Democrat.
1966: Lowry Air Force Base Ceased Flight Operations
Lowry Air Force Base, a military flight training facility, ceased flight operations in 1966.
1967: Denver Nuggets Joined ABA
In 1967, the Denver Nuggets joined the American Basketball Association.
1968: Leakage of nuclear waste stored at the site
Leakage from nuclear waste stored at the Rocky Flats Plant between 1958 and 1968 resulted in the contamination of some parts of Denver with plutonium-239.
March 1969: First National Chicano Youth Liberation Conference
In March 1969, the Crusade for Justice hosted the First National Chicano Youth Liberation Conference in Denver.
1969: Russell Stover Candies Moves to Kansas City
In 1969, Russell Stover Candies moved to Kansas City.
1970: Denver selected to host 1976 Winter Olympics
In 1970, Denver was selected to host the 1976 Winter Olympics.
1970: Last Republican to win Denver in gubernatorial election
In 1970, John A. Love was the last Republican to win Denver in a gubernatorial election by a narrow majority.
1970: Broncos Sell Out Every Home Game
Since 1970, the Denver Broncos have sold out every home game (except for strike-replacement games).
1970: Neighborhood boundaries and names dates
The City and County of Denver has 78 official neighborhoods used for planning and administration. The system of neighborhood boundaries and names dates to 1970 when city planners divided the city into 73 groups of one to four census tracts, called "statistical neighborhoods," most of which are unchanged since then.
1971: Shane Company Sells First Jewelry
In 1971, The Shane Company sold its first diamond jewelry in Denver.
1972: Denver hosts Libertarian Party National Convention
In 1972, Denver hosted the Libertarian Party of the United States National Convention, nominating Tonie Nathan for vice president.
1972: Johns Manville Corp. Relocates
In 1972, Johns Manville Corp., a manufacturer of insulation and roofing products, relocated its headquarters to Denver from New York.
1973: Re/Max Headquarters Move
In 1973, Re/Max made Denver its headquarters.
1974: Rehabilitation of the South Platte River begins
Since 1974, Denver and surrounding areas began rehabilitating the urban South Platte River and its tributaries for recreational use.
1975: Richard Lamm elected Colorado governor
Richard Lamm, who led the movement against hosting the 1976 Winter Olympics, was elected as Colorado governor in 1975.
1976: Colorado Rockies NHL Team Played
From 1976 to 1982, the Colorado Rockies played in the National Hockey League.
1976: Denver withdraws from hosting Winter Olympics
In 1976, Denver withdrew its winning bid to host the Winter Olympics, becoming the first city to back out after winning the bid.
1980: CH2M Hill Relocates
In 1980, CH2M Hill, an engineering and construction firm, relocated from Oregon to the Denver Technological Center.
1980: Construction of SH 470 Delayed Until 1980
In 1980, after state and local legislation was passed, construction on SH 470 was finally started. SH 470 was originally intended to be I-470 and built with federal highway funds, but the funding was redirected to complete conversion of downtown Denver's 16th Street to a pedestrian mall.
1981: Dynasty Set in Denver
From 1981 to 1989, the prime time drama Dynasty was set in Denver, although the show was mostly filmed in Los Angeles.
1981: Health director links contamination to health issues
In 1981, Carl Johnson, Jefferson County health director, linked plutonium contamination from the Rocky Flats Plant to an increase in birth defects and cancer incidence in central Denver.
1981: Denver hosts Libertarian Party National Convention
In 1981, Denver also hosted the Libertarian Party of the United States National Convention.
1981: Oil Price Drop
In 1981, the price of oil dropped from $34 a barrel.
1981: Average window for measurable snow
Snowfall is common throughout the late fall, winter and early spring, averaging 53.5 inches (136 cm) for 1981–2010.
July 1982: World Theatre Festival
In July 1982, Denver hosted the World Theatre Festival at the Denver Center for Performing Arts, which comprised a program of 114 performances of 18 plays, by theatre companies from 13 countries, across 25 days.
1982: Colorado Rockies Moved
From 1976 to 1982, the Colorado Rockies played in the National Hockey League, and later moved to the New York metropolitan area to become the New Jersey Devils.
1984: Denver supports Democratic presidential candidate
In 1984, Denver supported Democrat Walter Mondale for president despite Ronald Reagan's landslide victory nationally and in Colorado.
1984: Last Republican Senator to carry Denver
In 1984, William L. Armstrong was the last Republican Senator to carry Denver during his landslide victory.
1986: Denver Economy Drops
In 1986, the price of oil dropped to $9 a barrel, and the Denver economy also dropped, leaving almost 15,000 oil industry workers in the area unemployed.
1987: MediaNews Group Purchases Denver Post
In 1987, MediaNews Group purchased the Denver Post.
June 15, 1988: F3 tornado strikes south of downtown
On June 15, 1988, an F3 tornado struck 4.4 miles (7.1 km) south of downtown Denver.
1988: Scientific and Cultural Facilities Tax Approved
In 1988, voters in the Denver Metropolitan Area approved the Scientific and Cultural Facilities Tax (SCFD), a 0.1% sales tax that contributes money to various cultural and scientific facilities and organizations throughout the Metro area.
1989: Dynasty Ends
From 1981 to 1989, the prime time drama Dynasty was set in Denver, although the show was mostly filmed in Los Angeles.
1989: Rocky Flats Plant operations end
In 1989, operations ceased at the Rocky Flats Plant, a DOE nuclear weapon facility near Denver.
July 11, 1990: Costliest hailstorm in U.S. history
Denver had one of the top 10 costliest hailstorms in U.S. history on July 11, 1990.
1993: Denver Hosts World Youth Day
From August 10–15, 1993, Denver hosted the Catholic Church's 6th World Youth Day, which was attended by an estimated 500,000.
1993: Colorado Rockies Created
In 1993, the Colorado Rockies were created as an expansion franchise.
1994: Frontier Airlines Reincarnated
In 1994, Frontier Airlines was reincarnated at DIA.
1994: Lowry Air Force Base Closed
In 1994, Lowry Air Force Base officially closed.
1994: Last statewide Republican to carry Denver
In 1994, Victoria Buckley was the last statewide Republican officeholder to carry Denver by a 1.2% margin.
1994: Scientific and Cultural Facilities Tax Renewed
In 1994, the Scientific and Cultural Facilities Tax was renewed by voters.
1995: Denver International Airport Opened
Denver International Airport (DIA) opened in 1995.
1995: Colorado Avalanche Joined
In 1995, the Colorado Avalanche joined the NHL after relocating from Quebec City.
1996: Avalanche Won Stanley Cup
In 1996, the Colorado Avalanche won their first Stanley Cup.
1997: Denver hosts G7 summit
Denver hosted the G7 summit between June 20 and 22 in 1997.
1997: Broncos Win Super Bowl
In 1997, the Denver Broncos won the Super Bowl.
1998: Emergency Vets Series Began
From 1998 to 2002 the city's Alameda East Veterinary Hospital was home to the Animal Planet series Emergency Vets, which spun off three documentary specials and the current Animal Planet series E-Vet Interns.
1998: Broncos Win Back-to-Back Super Bowl
In 1998, the Denver Broncos won their second consecutive Super Bowl.
1999: Avalanche and Nuggets Moved to Ball Arena
Since 1999, the Colorado Avalanche and Denver Nuggets have both played at Ball Arena (formerly known as Pepsi Center).
2000: Denver hosts Green Party National Convention
In 2000, Denver hosted the National Convention of the Green Party.
2001: Samsonite Closes Denver Factory
In 2001, Samsonite closed its NE Denver factory.
2001: Newspapers merge operations
In 2001, The Denver Post and the Rocky Mountain News merged operations under a joint operating agreement.
2001: Avalanche Won Stanley Cup
In 2001, the Colorado Avalanche won their second Stanley Cup.
2001: Greenway project wins award
In 2001, the Greenway project along the South Platte River won the Silver Medal Rudy Bruner Award for Urban Excellence.
2002: Emergency Vets Series Ends
From 1998 to 2002 the city's Alameda East Veterinary Hospital was home to the Animal Planet series Emergency Vets, which spun off three documentary specials and the current Animal Planet series E-Vet Interns.
2002: Last Republican to receive at least 40% of Denver's vote
In 2002, Bill Owens remained the last Republican governor to receive at least 40% of Denver's vote.
2004: Scientific and Cultural Facilities Tax Renewed Again
In 2004, the Scientific and Cultural Facilities Tax was renewed by voters for the second time, allowing the SCFD to operate until 2018.
2004: City Acquired Clyfford Still Estate
In 2004, the city acquired the estate of abstract expressionist painter Clyfford Still and built a museum to exhibit his works near the Denver Art Museum.
2004: FasTracks Approved by Voters
In 2004, voters approved the FasTracks project, a commuter rail, light rail, and bus expansion project serving neighboring suburbs and communities.
2005: Denver votes to legalize marijuana
In 2005, Denver became the first major U.S. city to vote to make the private possession of less than an ounce of marijuana legal for adults 21 and older.
2005: Molson Coors Establishes US Headquarters
In 2005, Molson Coors Brewing Company established its U.S. headquarters in Denver.
2005: Colorado Convention Center Expansion Completed
In 2005, a $310.7 million expansion of the Colorado Convention Center was completed, doubling its size.
November 17, 2006: T-REX Project Completion
On November 17, 2006, the Transportation Expansion Project (T-REX) for the southern I-25 corridor was completed. This project included wider and additional highway lanes, improved highway access and drainage, and a light rail line from downtown to the south end of the metro area.
2006: Denver park system
As of 2006, Denver had over 200 parks, including the 314-acre City Park, and 29 recreation centers.
2006: Denver Outlaws established and win championship
In 2006, Denver established a Major League Lacrosse team, the Denver Outlaws, who played in Empower Field at Mile High and won the Western Conference Championship. Also in 2006, the Colorado Mammoth of the National Lacrosse League won a championship.
2006: Denver Recognized as Best City for Singles
In 2006, Denver was recognized for the third year in a row as the best city for singles.
2006: Samsonite Moves Headquarters
In 2006, Samsonite moved its headquarters to Massachusetts after a change of ownership.
2007: Colorado Rapids Stadium Opened
In 2007, Dick's Sporting Goods Park, an 18,000-seat soccer-specific stadium, opened for the MLS season in the Denver suburb of Commerce City for the Colorado Rapids.
2007: Rockies Advance to the World Series
In 2007, the Colorado Rockies advanced to the playoffs as a wild-card entrant, won the NL Championship Series, and brought the World Series to Denver for the first time.
2007: Denver monitors compliance with marijuana ordinance
In the fourth quarter of 2007, Denver required the mayor to appoint a review panel to monitor compliance with the 2005 marijuana ordinance.
2008: Denver Hosts Democratic National Convention
In 2008, Denver hosted the Democratic National Convention, promoting the city on the national, political, and socioeconomic stage.
February 2009: Rocky Mountain News closes
In February 2009, the E. W. Scripps Company closed the Rocky Mountain News newspaper.
March 29, 2009: Final Run of the Ski Train
On March 29, 2009, the Ski Train, operated on the former Denver & Rio Grande Western Railroad, made its final run to Winter Park.
July 20, 2009: Costliest hailstorm in U.S. history
Denver had one of the top 10 costliest hailstorms in U.S. history on July 20, 2009.
2009: Denver television market ranking
According to the 2009-2010 rankings from Nielsen Media Research, Denver is the 16th-largest market in the country for television.
April 2010: B-Cycle bicycle sharing program launched
In late April 2010, Denver launched B-Cycle, a citywide bicycle sharing program which was the largest in the United States at the time, with 400 bicycles.
August 2010: Plutonium contamination still present outside the former plant site
As of August 2010, Plutonium contamination was still present outside the former Rocky Flats Plant site, presenting risks to building the envisioned Jefferson Parkway.
2010: Denver television market ranking
According to the 2009-2010 rankings from Nielsen Media Research, Denver is the 16th-largest market in the country for television.
2010: Languages spoken in Denver
As of 2010, 72.28% of Denver residents aged five and older spoke only English at home, while 21.42% spoke Spanish, and other languages were also spoken.
2010: Increased Real Estate Investment
From 2010 onward, the Downtown region has seen increased real estate investment with the construction of several new skyscrapers and major development around Denver Union Station.
2010: Denver adopts comprehensive zoning update
In 2010, Denver adopted a comprehensive update of its zoning code to guide development as envisioned in adopted plans.
2010: B-Cycle bicycle sharing program launched
In 2010, Denver launched B-Cycle, a citywide bicycle sharing program that was the largest in the United States at the time, with 400 bicycles.
2010: Denver population before 2020 increase
Prior to the 2020 census, Denver's population increased 19.22% since 2010.
2010: Average window for measurable snow
Snowfall is common throughout the late fall, winter and early spring, averaging 53.5 inches (136 cm) for 1981–2010.
2011: Denver bicycle commuting ranking
According to data from the 2011 American Community Survey, Denver ranks 6th among US cities with populations over 400,000 in terms of the percentage of workers who commute by bicycle.
2011: Denver radio market ranking
According to the Spring 2011 Arbitron ranking, the Denver–Boulder radio market is the No. 19 market in the United States.
2011: Denver homeless rate
In 2011, Denver's homeless rate was 19 per 10,000 residents, lower than many other major cities.
April 2012: History Colorado Center Opened
In April 2012, the state history museum, History Colorado Center, opened.
October 3, 2012: University of Denver hosts presidential debate
On October 3, 2012, the University of Denver hosted the first of the three 2012 presidential debates.
April 2013: W Line Opened
In April 2013, the W Line, or West line, opened serving Golden/Federal Center.
2013: Continental Merges with United Airlines
In 2013, Continental merged with United Airlines.
2013: History Colorado Center Named a Top History Museum
In 2013, History Colorado Center was named by True West Magazine as one of the top-ten "must see" history museums in the country.
2013: Denver Metropolitan Area Population
In 2013, the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area had an estimated population of 2,697,476, ranking as the 21st most populous U.S. metropolitan statistical area. The larger Denver–Aurora–Boulder Combined Statistical Area had an estimated 2013 population of 3,277,309, ranking as the 18th most populous U.S. metropolitan area.
2014: Denver Residents Life Expectancy
According to a report in the Journal of the American Medical Association, residents of Denver had a 2014 life expectancy of 80.02 years.
2014: Denver ranked 18th-coldest major U.S. city
As of 2014, Weather Channel ranked Denver the 18th-coldest major U.S. city based on 30-year averages for December, January, and February.
2014: B-Cycle ridership peaks
In 2014, B-Cycle ridership peaked before steadily declining.
2014: Denver Outlaws win championship
In 2014, the Denver Outlaws won their first championship eight years after being established.
2015: Denver households lacking a car
In 2015, 9.6 percent of Denver households lacked a car.
2015: Denver Ranked No. 1 for Business and Careers
In 2015, Denver ranked No. 1 on Forbes' list of the Best Places for Business and Careers.
2015: Commuter railway system commences operations
In 2015, a new commuter railway system commenced operations in the Denver metropolitan area with a network operation of 25 kV 60 Hz.
2015: Broncos Win Super Bowl Again
In 2015, the Denver Broncos won the Super Bowl.
April 2016: A Line Opened
In April 2016, the commuter rail A Line from Denver Union Station to Denver International Airport opened with ridership exceeding RTD's early expectations.
November 2016: Denver's Unemployment Rate Recovered
In November 2016, Denver's unemployment rate recovered and had one of the lowest unemployment rates in the nation at 2.6%.
December 2016: Denver–Aurora–Broomfield MSA Unemployment Rate
As of December 2016, the unemployment rate for the Denver–Aurora–Broomfield MSA is 2.6%.
2016: SCFD Sales Tax Extension Approved
In 2016, Ballot issue 4B won approval by Denver metro area voters to extend the SCFD sales tax until 2030.
2016: Denver Named Best Place to Live
In 2016, Denver was named the best place to live in the United States by U.S. News & World Report.
2016: Denver Outlaws win championship
In 2016, the Denver Outlaws won another championship.
2016: Ski Train Revival
In 2016, the Ski Train service was revived on a trial basis with a great amount of local fanfare.
2016: Car ownership statistics in Denver
In 2016, the percentage of Denver households lacking a car was virtually unchanged at 9.4 percent. Denver averaged 1.62 cars per household, compared to a national average of 1.8.
February 2017: R Line Opened
In February 2017, the light rail R Line through Aurora opened.
May 8, 2017: Costliest hailstorm in U.S. history
Denver had one of the top 10 costliest hailstorms in U.S. history on May 8, 2017.
2017: DIA's Skytrax Ranking
In 2017, Denver International Airport was rated by Skytrax as the 28th-best airport in the world and the second-best in the United States. Skytrax also named DIA as the second-best regional airport in North America for 2017, and the fourth-best regional airport in the world.
2017: Denver's Walk Score Ranking
In 2017, Denver's Walk Score was ranked twenty-sixth among 108 U.S. cities with a population of 200,000 or greater.
2017: Ski Train Returns as Winter Park Express
In 2017, the Ski Train returned to service under Amtrak with the name "Winter Park Express".
June 28, 2018: High temperature in Denver
On June 28, 2018, Denver experienced a high temperature of 105 °F (41 °C).
2018: Chipotle Moves Headquarters
In 2018, Chipotle Mexican Grill moved its headquarters to Newport Beach, California.
2018: Electric scooter services launch in Denver
In 2018, electric scooter services began operating in Denver with LimeBike and Bird scooters appearing in May, followed by Jump e-bikes in August and Lyft scooters in September.
2018: Denver Bandits established
In 2018, the Denver Bandits were established as the first professional football team for women in Colorado.
2018: Denver Outlaws win championship
In 2018, the Denver Outlaws won another championship.
2018: SCFD Operations End
In 2018, the Scientific and Cultural Facilities Tax allowed the SCFD to operate until this year.
April 26, 2019: G Line Opened
On April 26, 2019, the G Line to the suburb of Arvada (originally planned to open in the Fall of 2016) finally opened.
May 2019: Denver decriminalizes psilocybin mushrooms
In May 2019, Denver became the first U.S. city to decriminalize psilocybin mushrooms.
July 2019: Denver will not assist ICE
In July 2019, Mayor Hancock said that Denver will not assist U.S. Immigration and Customs Enforcement agents with immigration raids.
2019: Temperature analysis at Denver International Airport
A 2019 analysis showed the average temperature at Denver International Airport, 50.2 °F (10 °C), was significantly cooler than downtown, 53.0 °F (12 °C).
2019: Molson Coors Announces Departure
In 2019, Molson Coors Brewing Company announced its departure from Denver.
2019: "Denver Moves: Pedestrians" Plan
In 2019, the "Denver Moves: Pedestrians" plan outlined a need for approximately $1.3 billion in sidewalk funding, plus $400 million for trails.
2019: Denver Bandits inaugural season
In 2019, the Denver Bandits participated in the initial season for the Women's National Football Conference (WNFC).
2019: DIA Passenger Count
In the pre-pandemic year of 2019, Denver International Airport had the 5th highest number of passengers in the U.S., with 61 million.
January 2020: B-Cycle ceases operations
In January 2020, B-Cycle, Denver's citywide bicycle sharing program, announced it would cease operations at the end of January.
September 21, 2020: N Line Opened
On September 21, 2020, the N Line to Commerce City and Thornton opened.
2020: Racial composition
According to the 2020 United States census, racial composition of Denver was recorded.
2020: Denver population and households according to the 2020 census
According to the 2020 census, the City and County of Denver contained 715,522 people and 301,501 households.
2020: Denver population increase
As of the 2020 census, Denver's population was 715,522, reflecting a 19.22% increase since 2010.
2020: Denver area based on the 2020 census
At the 2020 United States census, the City and County of Denver had an area of 99,025 acres (400.739 km), including 1,057 acres (4.276 km) of water.
2020: Stapleton neighborhood renamed Central Park
In 2020, during the George Floyd protests, the Stapleton neighborhood was renamed Central Park due to Stapleton's racism.
2020: Denver Outlaws fold
In 2020, the Denver Outlaws would fold with the MLL-PLL merger.
2020: Denver Metropolitan Area Population
In 2020, the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area had a population of 2,963,821, while the Denver-Aurora, CO Combined Statistical Area had a population of 3,623,560. Denver functions as the principal city of the 18-county Front Range Urban Corridor with a population of 5,055,344 at the 2020 U.S. census.
2021: DIA Ranked 3rd Busiest Airport in the World
In 2021, Denver International Airport was ranked as the 3rd busiest airport in the world with 58.8 million passengers.
2021: Denver begins December without snowfall
In the 2021 winter season, Denver began the month of December without any snowfall for the first time in history.
December 22, 2022: Low temperature in Denver
On December 22, 2022, Denver experienced a low of −24 °F (−31 °C), with a wind chill of −40 °F (−40 °C).
2022: Denver park system ranked
As of 2022, the Park Score by the Trust for Public Land ranked Denver as having the 18th best park system among the 50 most populous U.S. cities, noting that 89% of residents live within a 10-minute walk of a park.
2022: Denver explored a potential bid for the 2022 Winter Olympics
Denver explored a potential bid for the 2022 Winter Olympics, but no bid was submitted.
2022: Initiative 307 "Denver Deserves Sidewalks" Passed
In 2022, Denver voters passed Initiative 307, known as "Denver Deserves Sidewalks", to complete sidewalk construction and repair by shifting sidewalk maintenance responsibility to the city and imposing a fee on property owners.
2022: Avalanche Won Stanley Cup
In 2022, the Colorado Avalanche won their third Stanley Cup.
2022: Colorado Mammoth win championship
In 2022, the Colorado Mammoth of the National Lacrosse League won a championship.
2023: Front Range Passenger Rail Proposal
As of 2023, the Front Range Passenger Rail is a current proposal to link the cities from Pueblo in the south, north to Fort Collins and possibly to Cheyenne, Wyoming.
2023: Denver's Top Employers
As of the city's 2023 Comprehensive Annual Financial Report, Denver's top employers are reported.
2023: Denver MSA Gross Metropolitan Product
In 2023, the Denver MSA had a gross metropolitan product of $311.9 billion, making it the 18th largest metro economy in the United States. The 12-County Denver–Aurora, CO Combined Statistical Area had a GDP of $377.7 billion in 2023, while the broader Front Range had a GDP of $474.6 billion.
2023: Nuggets Won First NBA Championship
In 2023, the Denver Nuggets won their first NBA championship.
2024: Ibotta's IPO
In 2024, Denver based Ibotta's initial public offering (IPO) was the largest tech IPO in Colorado's history.
2024: Expanded Ski Train Service
In 2024, The Winter Park Express greatly expanded service for the 2024-2025 ski season, doubling capacity and increasing service to run Thursday-Monday during the winter ski seasons.
2024: Colorado ranked as bicycle-friendly state
In 2024, the League of American Bicyclists rated Colorado as the sixth most bicycle-friendly state in the nation.
2025: Denver awarded National Women's Soccer League team
In 2025, Denver was awarded a National Women's Soccer League team.
2025: Expanded Ski Train Service
The Winter Park Express' greatly expanded service which began in 2024 continues into the 2024-2025 ski season, doubling capacity and increasing service to run Thursday-Monday during the winter ski seasons.
2030: SCFD Sales Tax Extended Until
In 2016, Ballot issue 4B won approval by Denver metro area voters to extend the SCFD sales tax until 2030.
2040: Estimated Completion Date for Commuter Rail to Boulder/Longmont
The commuter rail connection to Boulder and Longmont, an extension of the B Line and part of the FasTracks initiative, is planned to be finished by RTD, but no construction funds have yet been identified prior to 2040.
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