Adair County, Kentucky Demographics 2026
Adair County, Kentucky has a population of 19,089, the 64th most populous county in Kentucky. The median household income is $53,553 and the median home value is $150,800. The poverty rate is 18.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Adair County Quick Facts
How Adair County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 19,016 | 19,089 | +0.4% |
| Median household income | $50,316 | $53,553 | +6.4% |
| Median home value | $134,800 | $150,800 | +11.9% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 33 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Adair County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Columbia | 4,808 | $47,299 | 18.3% | $143,600 |
Explore Kentucky Rankings
Population Overview
Adair County is located in Kentucky with a total population of 19,089. It is the 64th most populous county out of 120 in Kentucky. The county encompasses 1 Census-designated place.
Age Demographics
The median age in Adair County is 39.7 years. This is 2% higher than the state median of 39.1 years.
Economy, Income & Housing
The median household income in Adair County is $53,553. This is 16% lower than the state median of $63,726. It is also 34% lower than the national median of $80,734. The poverty rate stands at 18.4%. This is 15% higher than the state poverty rate of 16.1%. The unemployment rate is 6.8%. This is 40% higher than the state rate of 4.9%. The median home value is $150,800. Housing costs are 27% lower than the state median of $205,600. With a home-value-to-income ratio of just 2.8x, Adair County is one of the most affordable housing markets in the area. 77.2% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 68.3%.
Race & Ethnicity
Adair County has a predominantly White (non-Hispanic) population, comprising 90.4% of all residents. Hispanic or Latino residents account for 3.5%. The Black or African American population (2.1%) is well below the state average of 7.5%. The Asian population (0.2%) is well below the state average of 1.6%.
Education
21.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 21% lower than the state rate of 27.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 84.3%.
Data Sources & Methodology
All figures for Adair County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Kentucky and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Adair County, Kentucky?
Adair County has a population of 19,089, making it the 64th most populous county in Kentucky.
What is the median income in Adair County?
The median household income in Adair County is $53,553 with a poverty rate of 18.4%.
How many cities are in Adair County, Kentucky?
Adair County contains 1 Census-designated place.