Adair County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 88th-largest in Iowa
The population of Adair County, Iowa is 7,471 as of the 2023 American Community Survey, making it the 88th-largest county in Iowa. The median household income is $66,176, the median home value is $140,600, and the median age is 42.6.
The population of Adair County has declined 3.2% since 2010 (7,679 → 7,431), a -0.23% annualized rate.
7,471
Population
-0.23%
Annual growth
13
People / sq mi
$66,176
Median Income
$140,600
Median Home Value
Adair County covers 569 sq mi of land at 13.1 people per square mile.
About Adair County, IA
Adair County is a county in Iowa with a population of 7,471. It ranks #88 among counties in Iowa by population. The median age is 42.6, older than the national median. The population is 50.4% male and 49.6% female.
The median household income in Adair County is $66,176, below the US median of $74,580. 5.0% of residents live below the federal poverty level. Home values sit at a median of $140,600, with monthly rent averaging $730. The homeownership rate of 73.6% is higher than the national rate of 64.8%.
Educational attainment in Adair County reflects 20.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.1 minutes each way.
Adair County Population History (2010-2024)
The county of Adair County had a population of 7,679 in 2010 and 7,431 in 2024, a -3.2% growth over 14 years. The peak was 7,679 in 2010. Average annual growth rate: -0.22%.
7,431
Population (2024)
7,679
Population (2010)
7,679
Peak (2010)
-0.22%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 7,679 |
| 2011 | 7,546 |
| 2012 | 7,466 |
| 2013 | 7,385 |
| 2014 | 7,365 |
| 2015 | 7,142 |
| 2016 | 7,006 |
| 2017 | 7,047 |
| 2018 | 7,028 |
| 2019 | 7,102 |
| 2020 | 7,489 |
| 2021 | 7,522 |
| 2022 | 7,457 |
| 2023 | 7,399 |
| 2024 | 7,431 |
Race & Ethnicity
| White | 94.9% |
| Black or African American | 1.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
42.6
Median Age
49.6%
Female
50.4%
Male
22.2%
Age 65+
Age Distribution
Children (under 15): 19.1% · Seniors (65+): 22.2%
Income & Poverty
| Median household income | $66,176$-6,971 vs state |
| Mean household income | $89,076 |
| Per-capita income | $39,526 |
| Poverty rate | 5.0%-1.9% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 61.7% |
Top Industries by Employment
The largest employment sector in Adair County is professional & business services, accounting for 19.7% of workers.
How residents commute
0.4%
Drive alone
2.0%
Carpool
80.8%
Public transit
9.5%
Work from home
21.1 min
Avg commute
Housing
$140,600$-55,300 vs state
Median home value
$730
Median rent
73.6%
Homeownership rate
3,595
Total housing units
90.7%
Occupied
9.3%
Vacant
26.4%
Renter-occupied
Social & access
95.4%
With health insurance
89.4%
With broadband internet
15.0%
Foreign-born
7.4%
Veterans (18+)
14.3%
With a disability
98.2%
Speak language other than English at home
Education
94.5%
High School+
20.0%
Bachelor's+
Largest cities in Iowa
Other counties in Iowa
Part of Iowa
Metro areas in Iowa
County rankings
Frequently Asked Questions
Adair County, Iowa has a population of 7,471 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 88th-largest county in Iowa. Population density is 13 people per square mile.
The population of Adair County has declined 3.2% since 2010 (7,679 → 7,431), a -0.23% annualized rate.
The median household income in Adair County, Iowa is $66,176, with mean (average) household income of $89,076 and per-capita income of $39,526. 5.0% of residents live below the federal poverty level.
In Adair County, the largest racial and ethnic groups are White (94.9%), Black or African American (1.4%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Adair County, Iowa is 42.6 years. Residents are 49.6% female and 50.4% male.
The median home value in Adair County is $140,600 and median monthly rent is $730. 73.6% of occupied housing units are owner-occupied. The county has 3,595 total housing units, 9.3% of which are vacant.
The largest employment sector in Adair County, Iowa is professional, scientific, and management services, employing 19.7% of workers. The unemployment rate is 2.7%.
Des Moines is among the largest cities associated with Adair County, Iowa, with a population of 212,464.
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Statewide data for Iowa
Population, race, income, age, and trends across Iowa
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.