US Census Data

Adair County vs Decatur County

A side-by-side comparison of Adair County and Decatur County: population, income, housing, and more.

Adair County and Decatur County are counties in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Decatur County has the higher population (7,669 vs 7,471 in Adair County). Adair County has the higher median household income ($66,176 vs $57,146 in Decatur County). Adair County has the higher median home value ($140,600 vs $109,500 in Decatur County).

Population, income & housing

Adair CountyDecatur County
Population7,4717,669
Median age42.6 yrs36.2 yrs
Median household income$66,176$57,146
Median home value$140,600$109,500
Median gross rent$730$663
Housing units3,5953,651
Homeownership rate73.6%68.0%
Bachelor's degree or higher20.0%24.3%
Unemployment rate4.2%3.2%

Trends (ACS 5-year, 2019–2023)

Adair CountyDecatur County
Population7,085 → 7,471 (+5.4%)7,979 → 7,669 (-3.9%)
Median household income$53,363 → $66,176 (+24.0%)$44,462 → $57,146 (+28.5%)
Median home value$104,600 → $140,600 (+34.4%)$83,200 → $109,500 (+31.6%)
Median gross rent$585 → $730 (+24.8%)$567 → $663 (+16.9%)

Adair County

Population
7,0857,471
Median household income
$53,363$66,176
Median home value
$104,600$140,600
Median gross rent
$585$730

Decatur County

Population
7,9797,669
Median household income
$44,462$57,146
Median home value
$83,200$109,500
Median gross rent
$567$663

Age & race/ethnicity

Age distribution (share)

Adair CountyDecatur County
Under 56.3%6.0%
5 to 1716.7%16.6%
18 to 246.7%15.3%
25 to 3411.0%10.7%
35 to 4411.6%9.3%
45 to 5410.4%9.3%
55 to 6415.1%12.1%
65 to 7411.9%11.5%
75 and over10.3%9.3%

Race & ethnicity (share)

Adair CountyDecatur County
White (non-Hispanic)93.4%90.9%
Black or African American1.4%1.6%
American Indian & Alaska Native0.0%0.3%
Asian0.4%0.5%
Native Hawaiian & Pacific Islander0.1%0.0%
Some other race0.7%0.5%
Two or more races1.2%2.9%
Hispanic or Latino2.9%3.3%

Educational attainment (age 25+)

Share of adults 25+

Adair CountyDecatur County
No high school diploma5.5%11.0%
High school graduate40.5%37.5%
Some college or associate's34.0%27.2%
Bachelor's degree14.9%14.2%
Graduate or professional degree5.1%10.1%

Commute to work

How workers get to work (share)

Adair CountyDecatur County
Drove alone80.8%75.7%
Carpooled6.0%10.2%
Public transit0.4%0.0%
Walked2.0%5.8%
Bicycle0.8%0.0%
Worked from home9.5%7.9%
Other means0.5%0.4%

Housing

Units in structure (share)

Adair CountyDecatur County
1-unit, detached86.3%77.6%
1-unit, attached0.6%0.9%
2 to 4 units7.6%7.2%
5 to 19 units2.6%2.9%
20 or more units0.9%4.1%
Mobile home & other2.1%7.2%

Poverty & households

Adair CountyDecatur County
Poverty rate10.3%15.2%
Average household size2.242.32
Mean commute (minutes)2123
Median year structure built19581968

Full profiles

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