Columbia is a city located in Adair County, Kentucky. Columbia has a 2025 population of 4,648 . It is also the county seat of Adair County . Columbia is currently declining at a rate of -0.79% annually and its population has decreased by -3.77% since the most recent census, which recorded a population of 4,830 in 2020.
The average household income in Columbia is $75,313 with a poverty rate of 22.47%. The median age in Columbia is 27.9 years: 28.3 years for males, and 27 years for females. For every 100 females there are 86.4 males.
Data after 2023 is projected based on recent change
The racial composition of Columbia includes 86.16% White, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White (86.16%)
Two or more races (9.6%)
Black or African American (1.9%)
Other race (1.49%)
Asian (0.54%)
Native Hawaiian or Pacific Islander (0.31%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,172 | 86.16% |
| Two or more races | 465 | 9.6% |
| Black or African American | 92 | 1.9% |
| Other race | 72 | 1.49% |
| Asian | 26 | 0.54% |
| Native Hawaiian or Pacific Islander | 15 | 0.31% |
Married
Widowed
Divorced
Separated
Never Married
Columbia's average per capita income is $33,031. Household income levels show a median of $45,221. The poverty rate stands at 22.47%.
Name | Median | Mean |
|---|---|---|
| Married Families | $75,341 | - |
| Families | $70,909 | $106,940 |
| Households | $45,221 | $75,313 |
| Non Families | $21,053 | $27,384 |
Average Income
Median Household Income
Poverty Rate