Adair County, Missouri
Located in Missouri, Adair County has a population of 25,301 residents and a median age of 30.2 years, making it the #1,646 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 22.0%. The median home value is $165,700, and the median household income is $61,536, which is 18% below the national median.
Demographics
Adair County has a population of 25,301, making it the #1,646 most populous county in the US. The median age is 30.2 years, which is 22.4% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Adair County is $61,536, ranking #1,930 out of 3,222 counties — 18.1% below the national median. The poverty rate is 22.0% and unemployment stands at 4.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Adair County is $165,700 (-41.2% vs national). Renters pay a median of $772/mo and the homeownership rate is 61.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Adair County, 35.5% of adults age 25+ hold a bachelor's degree or higher, which is 5.4% above the national average, ranking #446 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Adair County is 75.9 years. 21.1% of adults report poor or fair health and 10.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.5% of adults in Adair County smoke , 42.0% are obese , and 18.7% report excessive drinking. The drug overdose death rate is 17.1 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 18.2 per 100,000. Motor vehicle deaths occur at a rate of 16.4 per 100,000.
Suicide Rate Trend
Families & Children
16.9% of children in Adair County live in poverty . The teen birth rate is 8.2 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Adair County is 52.1%. The mean commute time is 17.2 min, which is 37.7% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Adair County voted Republican with a margin of 33.6%. The vote was 32.6% Dem / 66.2% Rep. Compared to 2020, the margin shifted 7.5 toward Republicans .
Vote Share Over Time
About Adair County, Missouri
Adair County, Missouri has a total population of 25,301, making it the 1,646th most populous county in the United States. The median age in Adair County is 30.2 years, which is 22.4% below the national median of 38.9 years.
The median household income in Adair County is $61,536, which ranks #1,930 of 3,222 counties nationwide. This is 18.1% below the national median of $75,149. The poverty rate is 22.0%, higher than the national rate of 12.6%. The unemployment rate stands at 4.1%.
The median home value in Adair County is $165,700, 41.2% below the national median. Renters in Adair County pay a median gross rent of $772 per month. The homeownership rate is 61.0%, compared to the national rate of 64.4%.
In Adair County, 35.5% of residents aged 25 and older hold a bachelor's degree or higher, 5.4% above the national average of 33.7%. Health insurance coverage stands at 89.7% of the population. The average commute time for workers is 17.2 min.
Adair County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 87.1% of the population, followed by Black (non-Hispanic) (4.4%) and Two or More Races (3.1%).
All data for Adair County, Missouri comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.