History of Ann Arbor, Michigan in Timeline
Ann Arbor, located in Washtenaw County, Michigan, serves as the county seat and is the fifth most populous city in the state, with a population of 123,851 as of 2020. It is known for being a vibrant city.
2 hours ago : ICE arrests in Ann Arbor spark controversy, raising concerns about immigration enforcement.
ICE arrests in Ann Arbor, Michigan, have sparked outrage. One arrest, near a children's daycare, and another in Kerrytown, have raised concerns about ICE tactics and lack of local notification. The community is reacting strongly to these events.
1916: Establishment of Beth Israel Congregation
In 1916, Ann Arbor's first and oldest synagogue, Beth Israel Congregation, was established as the Jewish community grew.
1924: University High School Established
In 1924, the University High School, a "demonstration school" with teachers drawn from the University of Michigan's education program, became part of the Ann Arbor Public Schools system.
1931: Introduction of the Kadette radio
In 1931, International Radio Corporation introduced the first mass-produced AC/DC radio, the Kadette.
1933: Introduction of the Kadette Jr. radio
In 1933, International Radio Corporation introduced the first pocket radio, the Kadette Jr.
July 24, 1934: Highest recorded temperature
On July 24, 1934, Ann Arbor recorded its highest temperature at 105 °F (41 °C).
1937: Founding of Inter-Cooperative Council at the University of Michigan
In 1937, the Inter-Cooperative Council at the University of Michigan, a student housing cooperative, was founded in Ann Arbor.
1956: Merger of East Ann Arbor with Ann Arbor
Following a vote in 1956, East Ann Arbor merged with Ann Arbor, incorporating the eastern sections of the city.
1960: Bond issue approved for new City Hall
In 1960, Ann Arbor voters approved a $2.3 million bond issue to build the current city hall.
1960: First major meetings of Students for a Democratic Society
In 1960, the first major meetings of the national left-wing campus group Students for a Democratic Society occurred in Ann Arbor.
1963: Opening of City Hall
The new City Hall, designed by architect Alden B. Dow and funded by a 1960 bond, opened in 1963.
1965: First U.S. teach-in against the Vietnam War
In 1965, Ann Arbor was home to the first U.S. teach-in against the Vietnam War, marking the city as a center for activism.
1967: Establishment of KMS Fusion
From 1967, Ann Arbor hosted KMS Fusion, the world's first company to pursue fusion power via the inertial confinement fusion method.
1967: Establishment of the Word of God
In 1967, the Word of God, a charismatic inter-denominational movement, was established in Ann Arbor.
1968: University High School Closed
In 1968, the University High School, a demonstration school with teachers drawn from the University of Michigan's education program, stopped being part of the Ann Arbor Public Schools system.
1970: Michigan Central Depot Renovated as Restaurant
In 1970, the city's old Michigan Central Depot, neighboring the present-day train station, was renovated and converted into a restaurant.
1972: Old West Side neighborhood listed on National Register of Historic Places
In 1972, the 19th-century buildings and streetscape of the Old West Side neighborhood were listed on the National Register of Historic Places.
1990: Closing of KMS Fusion
In 1990, KMS Fusion, the world's first company to pursue fusion power via the inertial confinement fusion method, closed down in Ann Arbor.
1995: City Hall renamed after Guy C. Larcom Jr.
In 1995, the City Hall was renamed the Guy C. Larcom Jr. Municipal Building to honor the city administrator who championed its construction.
1998: Office of the Anthroposophical Society in the United States
Since 1998, Ann Arbor is the home office of the Anthroposophical Society in the United States, an organization dedicated to supporting the community.
1999: Establishment of the Thomas More Law Center
In 1999, the Thomas More Law Center, a religious-conservative institution, was established in Ann Arbor.
2000: Ave Maria School of Law Opened
In 2000, the Ave Maria School of Law, a Roman Catholic law school, opened in northeastern Ann Arbor.
2001: Shakespeare in the Arb Presentation
Since 2001, Shakespeare in the Arb has presented one play by Shakespeare each June, in a large park near downtown Ann Arbor.
November 4, 2003: Approval of greenbelt plan
On November 4, 2003, voters approved a greenbelt plan to preserve agricultural land adjacent to Ann Arbor from sprawling development.
2009: The Ann Arbor News Ended Daily Print Run
In 2009, The Ann Arbor News ended its 174-year daily print run due to economic difficulties.
2010: Census reporting almost no growth
Ann Arbor saw consistent growth in population between all decennial censuses since 1860 with the exception of the 2010 census which reported almost no growth from the previous census.
April 2012: AirRide Connection to Detroit Metro Airport
Since April 2012, the AirRide service connects Ann Arbor to Detroit Metro Airport a dozen times a day.
2013: Publication Resumed Former Name
In 2013, the publication resumed using its former name, The Ann Arbor News, and also produces a daily digital edition named MLive.com.
September 3, 2014: The Ann Arbor Chronicle Ceased Publication
On September 3, 2014, The Ann Arbor Chronicle, an online newspaper, ceased publication.
2014: Christopher Taylor Elected as Mayor
Christopher Taylor, a Democrat, was elected as the mayor of Ann Arbor in 2014.
2014: AFC Ann Arbor Founded
In 2014, AFC Ann Arbor, a soccer club also known as The Mighty Oak, was founded and represents Ann Arbor in the NPSL.
2014: Opening of Ann Arbor Skatepark
In the summer of 2014, the city-funded Ann Arbor Skatepark, a 30,000 sq ft skatepark, opened within Veterans Memorial Park.
2016: Change in mayoral terms
In 2016, the city of Ann Arbor changed mayoral terms from two years to four.
August 31, 2017: WHTV Channel 18 Sign-Off
On August 31, 2017, WHTV channel 18, a MyNetworkTV-affiliated station for the Lansing market, signed off from a transmitter in Lyndon Township, west of Ann Arbor.
2017: City Council elected to 3-year terms
Until 2017, City Council held annual elections in which half of the seats were elected to 2-year terms, and the 2017 election elected members to terms that lasted 3-years.
2018: City Council has staggered elections to 4-year terms
Beginning in 2018 the city council has had staggered elections to 4-year terms in even years.
2019: Transportation Methods in Ann Arbor
In 2019, 36% of trips in Ann Arbor were taken by walking, biking, or transit.
2020: U.S. census
As of the 2020 U.S. census, there were 123,851 people and 49,337 households residing in the city, with a population density of 4,391.9 inhabitants per square mile.
2020: Population of Ann Arbor
In 2020, Ann Arbor had a population of 123,851, making it the fifth most populous city in Michigan.
2020: Downtown streets opened to pedestrians
In 2020, the Ann Arbor city government opened several downtown streets to pedestrians as a response to the COVID-19 pandemic.
November 2021: KLA Corporation opens North American headquarters
In November 2021, semiconductor test equipment company KLA Corporation opened a new North American headquarters in Ann Arbor.
2021: Dioxane Concentration Measurement
As of 2021, the average measured concentration of dioxane migrating under the city from Gelman Sciences, Inc. property was found to be 201.19 ppb, with the maximum being 6.000 ppm.
2021: Extension of pedestrian-only street schedule
In 2021, the Ann Arbor city council extended the pedestrian-only street schedule from March to November, continuing the weekend closure to vehicles.
2021: Student Enrollment in Ann Arbor Public Schools
In the 2021-2022 school year, 17,070 students were enrolled in the Ann Arbor Public Schools.
2022: American Community Survey estimates
According to the 2022 American Community Survey estimates, out of 49,337 households, 33.8% were married-couple households, 9.8% were cohabiting couple households, 26.1% had a male householder with no spouse present, and 30.4% had a female householder with no spouse present.
2022: Crime Reporting
According to the Uniform Crime Reporting (UCR) program in 2022, Ann Arbor had 371 reported violent crimes and 2069 reported property crimes.
2022: Video game and XR studios
As of 2022, Ann Arbor is home to more than twenty video game and XR studios of varying sizes.
2022: Median household income
In 2022, the median household income in Ann Arbor was $78,740, with family households having a median income of $126,292, and a per capita income of $52,276.
2022: Student Enrollment in Ann Arbor Public Schools
In the 2021-2022 school year, 17,070 students were enrolled in the Ann Arbor Public Schools.
2024: Value of 1960 Bond in 2024
A $2.3 million bond in 1960 is equivalent to $19 million in 2024.
2024: Democrats Hold Mayorship and Council Seats
As of 2024, the Democrats hold the mayorship and all ten council seats in Ann Arbor.
2025: Value of land purchased in 1824 adjusted for inflation
In 1824, Allen and Rumsey purchased land for $800, which is equivalent to $23,000 in 2025.
2069: Crime Reporting
According to the Uniform Crime Reporting (UCR) program in 2022, Ann Arbor had 371 reported violent crimes and 2069 reported property crimes.
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