Iowa, a Midwestern state in the United States, is uniquely positioned as it's surrounded by other states, making it doubly landlocked. Its borders are defined by major rivers like the Mississippi, Missouri, and Big Sioux. Neighboring states include Wisconsin, Illinois, Missouri, Nebraska, South Dakota, and Minnesota.
Since at least the 1900 census, Iowa's population growth has been slower compared to the overall U.S. population growth.
Iowa's lowest recorded temperature of -47°F (-44°C) occurred in Washta on January 12, 1912.
Since the start of World War I in 1914, Iowa farmers experienced a period of economic prosperity until the war's end.
The Colored Officers Training Camp was established at Fort Des Moines in 1917.
The United States entered World War I in 1917, significantly impacting Iowa's economy. Farmers experienced a shift to a wartime economy, while the state saw an increase in business and manufacturing operations.
After World War I ended in 1918, many African American families decided to stay in Des Moines after the closure of the Colored Officers Training Camp, which marked the beginning of a thriving African American community.
The Babel Proclamation of 1918 prohibited the use of the German language in public spaces.
Multiple attempts to grant women full voting rights in Iowa were defeated between 1870 and 1919.
Iowa officially ratified the Nineteenth Amendment to the U.S. Constitution in 1920, granting women the right to vote.
Iowa's highest recorded temperature of 118°F (48°C) occurred in Keokuk on July 20, 1934, during a nationwide heat wave.
Due to World War II, the Iowa State Fair was put on hold from 1942 to 1945 as the fairgrounds were repurposed into an army supply depot.
Due to World War II, the Iowa State Fair was put on hold from 1942 to 1945 as the fairgrounds were repurposed into an army supply depot.
In 1949, the landmark case of State of Iowa v. Katz ruled that businesses in Iowa were legally obligated to serve all customers regardless of their race, marking a significant step towards racial equality.
From 1961 to 1990, Iowa experienced varying precipitation levels, with the southeast receiving over 38 inches (97 cm) annually and the northwest receiving less than 28 inches (71 cm).
In 1965, the Iowa Civil Rights Act was enacted, solidifying and comprehensively protecting racial civil rights within the state.
Iowa experienced its deadliest tornado year since 1968 in 2008, with twelve fatalities and 105 tornadoes, matching the total from 2001.
The John Deere Classic, a prominent PGA Tour golf tournament, was first held in the Quad Cities in 1971.
The Register's Annual Great Bicycle Ride Across Iowa (RAGBRAI) began in 1973, attracting thousands of cyclists and support staff annually.
In 1975, Governor Robert D. Ray facilitated the resettlement of 1,200 Tai Dam refugees fleeing the Indochina War in Iowa, marking the beginning of the state's acceptance of thousands of refugees from Southeast Asia.
Iowa repealed its law criminalizing same-sex sexual activity in June 1976, a significant step towards LGBTQ+ rights.
Iowa voters rejected a proposed Equal Rights Amendment to the state constitution in 1980.
Terry Branstad's first tenure as governor of Iowa commenced in 1983.
Since approximately 1990, Iowa has experienced population growth despite the challenges of rural flight, a trend observed in other Midwestern states.
Since 1990, renewable energy, particularly wind power, has become a significant economic driver in northern and western Iowa, with wind turbine electrical generation experiencing rapid growth.
From 1961 to 1990, Iowa experienced varying precipitation levels, with the southeast receiving over 38 inches (97 cm) annually and the northwest receiving less than 28 inches (71 cm). The driest months are typically January or February, and the wettest is June due to frequent showers and thunderstorms.
The Equal Rights Amendment to the Iowa Constitution was once again rejected by voters in 1992.
In 1998, the word "women" was officially added to the Iowa Constitution, emphasizing gender equality in the state's governing document.
Terry Branstad's initial period as governor of Iowa came to a close in 1999.
The Des Moines Golf and Country Club hosted the prestigious U.S. Senior Open golf tournament in 1999.
By 2000, 61% of Iowa's population resided in urban areas, a trend that started in the early 20th century.
The "Religious Congregations & Membership: 2000" study indicated that the United Methodist Church was the largest religious group in the southernmost two tiers of Iowa counties and other central counties. In contrast, the Catholic Church predominated in the northeast, including Dubuque and Linn counties. The Evangelical Lutheran Church in America was most prominent in ten counties, mainly in the northern tier. The study also noted a rapid increase in Evangelical Christian denominations.
Iowa experienced its deadliest tornado year since 1968 in 2008, with twelve fatalities and 105 tornadoes, matching the total from 2001.
The Principal Charity Classic, a Champions Tour golf event, debuted in Iowa in 2001.
In 2002, the indirect impact of agriculture, including related businesses, was greater than the direct impact, contributing 16.4% to the value added and 24.3% to the total output of Iowa's economy.
In 2003, manufacturing was the largest sector of Iowa's economy, contributing 21% to the gross state product. Food processing was a major component, with companies like ConAgra Foods, Wells Blue Bunny, and Quaker Oats having facilities in Iowa. Meatpacker Tyson Foods also had a significant presence with 11 locations.
Since 2004, several third parties, designated as "nonparty political organizations," have participated in Iowa's elections, with candidates appearing on the ballot for various positions. These parties include the Constitution Party, the Green Party, the Pirate Party, and the Socialist Workers Party.
In 2005, Iowa ranked 49th among U.S. states in terms of public land holdings, reflecting the state's limited natural areas.
In 2005, Iowa's gross domestic product was approximately $124 billion.
Iowa's per capita income in 2006 was $23,340.
The Iowa Speedway, a major oval track in Newton, began hosting prestigious auto racing events, including IndyCar Series and NASCAR races, starting in 2006.
By 2007, Wellmark Blue Cross Blue Shield had become a dominant player in Iowa's health insurance market, providing coverage to 71% of the state's population.
In 2007, Iowa experienced the seventh-highest presidential campaign spending in the country due to the significant media attention surrounding the Iowa caucus.
In 2007, the direct production and sale of agricultural commodities made up only 3.5% of Iowa's gross state product.
The Iowa Civil Rights Act was amended in 2007 to include "sexual orientation" and "gender identity" as protected classes.
From 2000 to 2008, urban counties in Iowa grew by 8.5%, while rural counties saw a decline of 4.2%, highlighting the continuing shift from rural to urban areas.
In 2008, Iowa was a major contributor to US agricultural production, with its 92,600 farms producing a significant percentage of the nation's corn, soybeans, hogs, and eggs.
Iowa experienced its deadliest tornado year since 1968 in 2008, with twelve fatalities and 105 tornadoes, matching the total from 2001.
On April 3, 2009, the Iowa Supreme Court unanimously ruled in Varnum v. Brien that the state's ban on same-sex marriage was unconstitutional, making Iowa the third state to legalize same-sex marriage.
On July 2, 2009, Standard & Poor's assigned Iowa a AAA credit rating, the highest possible rating, which was held by only 11 U.S. state governments at the time.
In 2009, Iowa had 39 ethanol plants that produced 3.1 billion US gallons of fuel. Ethanol production was a significant industry, using approximately one-third of the state's corn production and contributing 8% to Iowa's gross domestic product.
By 2009, significant agricultural product processors operating in Iowa included Archer Daniels Midland, Cargill, Inc., Diamond V Mills, and Quaker Oats.
According to a 2010 survey by the Association of Religion Data Archives (ARDA), the largest Protestant denominations in Iowa were the United Methodist Church with 235,190 adherents and the Evangelical Lutheran Church in America with 229,557 adherents. Catholicism had 503,080 adherents.
As of the 2010 census, the center of Iowa's population was located in Marshall County, near Melbourne. The population density was 52.7 people per square mile.
Between 2010 and 2011, Iowa experienced a significant decline in health insurance competition, ranking fourth among ten states with the biggest drops.
Following the 2010 United States Census and subsequent redistricting, Iowa's representation in the U.S. House of Representatives was reduced by one seat, bringing the total to four.
In 2010, CNBC ranked Iowa as the sixth-best state in the nation for business in its "Top States for Business" list.
In the 2010 Iowa gubernatorial election, Republican candidate Terry Branstad emerged victorious, defeating incumbent Democratic Governor Chet Culver.
The 2010 census recorded Iowa's population at 3,046,355, with a gender makeup of 49.5% male and 50.5% female. 23.9% of the population were under 18, 61.2% were between 18 and 64, and 14.9% were 65 or older.
The United States Census Bureau reported that on April 1, 2020, Iowa's population was 3,190,369, reflecting a 4.73% increase from the 2010 census.
Data on health insurance competition levels was sourced from HealthLeaders-Interstudy, covering HMO, PPO, POS, and consumer-driven health plans.
The Iowa Economic Development Authority was established in 2011, replacing the Iowa Department of Economic Development, and its reports became a key source of economic information.
In the 2012 congressional election in Iowa's newly redrawn third district, incumbent Representatives Leonard Boswell, a Democrat, and Tom Latham, a Republican, faced off against each other. Latham emerged victorious.
The American Medical Association published an annual report in 2013, using 2011 data, that highlighted the level of competition within the health insurance industry.
In November 2014, the Iowa Insurance Division reported that Wellmark Inc. held a dominant position in the individual, small group, and large group health insurance markets, with a market share ranging from 52% to 67%. The report also indicated that Wellmark HealthPlan of Iowa and Wellmark Inc. possessed the highest risk-based capital percentages among the top ten providers, suggesting strong financial performance and profitability.
As of 2014, Iowa's winters are known for dropping well below freezing.
As of 2014, there were 16 organizations offering health insurance products in Iowa.
Following the 2014 elections, Tom Latham, who had won the redrawn third congressional district in 2012, announced his retirement from Congress.
In 2014, a Pew Research Center survey found that 60% of Iowans identified as Protestant, 18% as Catholic, 1% as belonging to non-Christian religions, and 21% as non-religious.
On December 14, 2015, Terry Branstad achieved the distinction of becoming the longest-serving governor in United States history, surpassing George Clinton's record of 21 years in office, set in 1804. At that time, Branstad had served a total of 20 years, 11 months, and 3 days.
As of 2015, Iowa experienced an average of 47 tornadoes annually over the preceding 30 years.
By 2015, transportation expenditures constituted a substantial portion of the budgets for rural school districts in Iowa. The geographical size of many districts necessitated transporting students over long distances, leading to reduced funding for other educational aspects.
The 2016 American Community Survey showed that 5.6% of Iowa's population were of Hispanic or Latino origin. The five largest ancestry groups were German (35.1%), Irish (13.5%), English (8.2%), American (5.8%), and Norwegian (5.0%).
Libertarian Party candidate Gary Johnson garnered 3.8% of the votes cast in Iowa's 2016 general election, contributing to the party's subsequent recognition as an official political party in the state.
Following the 2016 elections, the Republican Party gained control of the Iowa Senate.
By 2016, Iowa had experienced growth in organic farming, ranking fifth nationwide in the number of organic farms. There was also an increase in the demand for locally and sustainably grown food in the state.
As of 2016, approximately 6,000 Jewish people lived in Iowa, with about 3,000 residing in Des Moines.
As of 2016, Iowa served as the headquarters for three companies ranked among the top 2,000 globally based on revenue: Principal Financial, Rockwell Collins, and American Equity Investment. The state was also home to the headquarters of other notable companies such as Hy-Vee, Pella Corporation, and Vermeer Company.
Kim Reynolds assumed the governorship of Iowa on May 24, 2017, succeeding Terry Branstad following his appointment as the U.S. Ambassador to China.
As of 2017, approximately 2.5% of Iowa's population used sign language.
In 2017, Iowa achieved a high school graduation rate of 91.3%.
The Des Moines Golf and Country Club hosted the Solheim Cup, a renowned international women's golf tournament, in 2017.
The Libertarian Party attained official political party status in Iowa in 2017, following presidential candidate Gary Johnson's performance in the 2016 general election, where he secured 3.8% of the vote.
In March 2018, Iowa had a large hog farming industry, with approximately 22.6 million hogs spread across 8,000 facilities, exceeding the state's human population by more than seven times.
In May 2018, Iowa enacted one of the most restrictive abortion bans in the U.S., prohibiting abortions once a fetal heartbeat is detectable.
As of 2018, Iowa's summers are known for heat and humidity, while winters experience freezing temperatures.
In 2018, the primary countries of origin for immigrants to Iowa were Mexico, India, Vietnam, China, and Thailand.
An Iowa state judge ruled the "fetal heartbeat" abortion law unconstitutional in January 2019.
By 2019, Iowa emerged as a leader in wind power generation in the United States. Wind energy accounted for 42% of the state's total electricity production, ranking first in terms of the percentage of power generated from wind. Iowa also held the second position in wind generating capacity with 10,201 megawatts installed, trailing only Texas.
By 2019, Iowa earned recognition for having the highest high school graduation rate in the nation. The state's education system consisted of 333 school districts, 1,329 school buildings, and maintained a student-to-teacher ratio of 14.2, the 14th lowest in the US.
The United States Census Bureau reported that on April 1, 2020, Iowa's population was 3,190,369, reflecting a 4.73% increase from the 2010 census.
A 2020 study ranked Iowa as the 24th easiest state for citizens to vote in.
In 2020, the Public Religion Research Institute conducted a study which found that 26% of Iowa's population identified as irreligious.
The Iowa State Fair, held annually since 1886 with few exceptions, was canceled in 2020 due to the COVID-19 pandemic.
The North American drought, spanning from 2020 to 2023, has significantly impacted Iowa.
As of September 2021, Iowa's unemployment rate was 4.0%.
The Iowa Heartlanders, an ECHL hockey team, began playing in Coralville during the 2021–22 season, expanding professional hockey in the state.
As of 2022, Kim Reynolds, a Republican, assumed the role of the 43rd Governor of Iowa.
In 2022, the Department of Housing and Urban Development's Annual Homeless Assessment Report estimated that there were 2,419 homeless people in Iowa.
The North American drought, spanning from 2020 to 2023, has significantly impacted Iowa.
As of January 2024, Iowa has experienced 187 consecutive weeks of at least moderate drought, marking the longest stretch since the 1950s, with 96% of the state affected by the drought.