Iowa Celebrates 175th Anniversary of Statehood (1846): December 28, 2021

United States Census Bureau
Iowa 175th Anniversary of Statehood (1846):
December 28, 2021
Image of Iowa and the surrounding U.S. States
Iowa joined the Union on December 28, 1846, as the 29th state.
Nickname: "The Hawkeye State"
State Bird: Eastern goldfinch
State Flower: Wild rose
State Fish: Channel catfish
State Tree: Oak tree
State Rock: Geode
The United States acquired the area of Iowa from France in 1803 as part of the Louisiana Purchase. Iowa Territory was organized on June 12, 1838, from part of Wisconsin Territory; it included all of present-day Iowa, the eastern part of North Dakota and South Dakota, and the western part of Minnesota. The remaining part of the territory was unattached until the organization of Minnesota Territory in 1849. Nebraska and Iowa have made periodic adjustments to their boundary as the Missouri River has changed its course.
Census data for Iowa are available beginning with the 1840 census. The 1840 population includes the portion of Iowa Territory in present-day Minnesota west of the Mississippi River and a line drawn from its source northward to the Canadian boundary.
 

Did You Know?

Image of the flag of Iowa

Iowa has a land area of 55,838.9 square miles and a water area of 418.8 square miles. It is the 23rd largest state by area. Iowa is bordered by Nebraska, Minnesota, Illinois, Wisconsin, South Dakota, and Missouri.

The following facts are available thanks to the public’s invaluable participation in U.S. Census Bureau surveys. We appreciate the information shared by each respondent as we continuously count and measure America’s people, places, and economy.

29.3%

The percentage of people in Iowa who have obtained at least a bachelor's degree 

$61,691

The median household income in Iowa

64.3%

The percentage of the labor force in Iowa who are employed
 
2020 Census: The Population of Iowa
Iowa 2020 population: 3,190,369; up 4.7% from 2010
The number of people living in Iowa was 3,190,369 as of April 1, 2020, an increase of 4.7% since the 2010 Census. View Iowa’s population change by decade.
 
Iowa’s 2020 Population Neared 3.2 Million in 2020
An eastern goldfinch, the state bird of Iowa
America Counts has launched a state-by-state look at the demographic changes the new 2020 Census results reveal.
Our state profiles bring you key population characteristics of your state and your county all on one page.
See how they compare to the nation overall and to neighboring counties and states. Through interactive state and county maps for the 50 states, the District of Columbia and Puerto Rico, each page provides a snapshot of change from 2010 to 2020 on five topics.
Did you know? 
  • The numeric change in population for Iowa from 2010-2020 was 144,014.
  • The percentage of population aged 18 and older in Iowa was 76.8%, a total of 2,450,103 adults.
  • This was an increase of 5.7% from the 2010 Census population aged 18 and older in Iowa.
You May Be Interested In
Basic demographic information about the state of Iowa
About the Geographic Areas
Iowa has four federally recognized American Indian areas. There are three reservations and one trust land.

Iowa has 9 metropolitan statistical areas, 15 micropolitan statistical areas, and 4 combined statistical areas. There are 99 counties in Iowa. All counties in Iowa are functioning governmental units; each governed by a county board of supervisors.
More Geographic Info
Foreign Trade
Take a look at the various imports to and exports from Iowa. See where materials such as corn, soybeans, engines and parts for civilian aircraft, hydraulic power engines and motors, potassium chloride, parts and attachments for derricks and cranes, mechanical shovels and excavators, and more rank on both lists.

Also, see lists of the countries that have sent the most imports by 2020 dollar value to Iowa and the countries that have received the most exported goods from Iowa as measured by 2020 dollar value.
View Top Imports
View Top Exports
View Iowa Statistics in Our COVID-19 Data Hub
COVID-19 Demographic and Economic Resources
View the state COVID-19 impact planning report. Take a look at new survey data and estimates.
2017 Economic Census Fun Facts About Iowa
Data released from the 2017 Economic Census: The 271 Utilities (NAICS 22) establishments in Iowa reported average annual payroll per employee of $91,078 in 2017.
Looking For More Relevant Data and Information About Iowa?
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About the Census Bureau
We serve as the nation’s leading provider of quality data about its people and economy. The Census Bureau is the federal government's largest statistical agency. As the world’s premier statistical agency, we are dedicated to making our nation a better place. Policy-makers, businesses, and the public use our data to make informed decisions.

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