Adair County's 2026 population is estimated at 19,105, reflecting a -0.35% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Adair County is the 64th largest county in Kentucky. The 2010 population was 18,750 and has grown 1.89% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.7 years
Female: 41.3 years
Male: 38.6 years
There are 15,328 adults, (3,755 of whom are seniors) in Adair County.
Female: 9,423 (49.4%)
Male: 9,666 (50.6%)
The racial composition of Adair County includes 90.82% White, and smaller percentages for Black or African American, other race, Native Hawaiian or Pacific Islander, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,337 | 90.82% |
| Two or more races | 980 | 5.13% |
| Black or African American | 395 | 2.07% |
| Other race | 275 | 1.44% |
| Native Hawaiian or Pacific Islander | 54 | 0.28% |
| Asian | 45 | 0.24% |
| Native American | 3 | 0.02% |
Adair County 's average per capita income is $36,553. Household income levels show a median of $53,553. The poverty rate stands at 18.39%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $76,376 | - |
| Families | $67,977 | $87,455 |
| Households | $53,553 | $71,223 |
| Non Families | $21,875 | $37,477 |
Average Income
Median Household Income
Poverty Rate