Mercer County's estimated 2025 population is 23,491 with a growth rate of 0.85% in the past year according to the most recent United States census data. Mercer County is the 50th largest county in Kentucky. The 2010 population was 21,318 and has seen a growth of 10.19% since that time.
Data after 2023 is projected based on recent change
The racial composition of Mercer County includes 91.15% White, 3.56% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 20,803 | 91.15% |
| Black or African American | 813 | 3.56% |
| Two or more races | 787 | 3.45% |
| Other race | 304 | 1.33% |
| Asian | 60 | 0.26% |
| Native American | 57 | 0.25% |
Married
Widowed
Divorced
Separated
Never Married
Mercer County's average per capita income is $42,363. Household income levels show a median of $63,115. The poverty rate stands at 11.35%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,712 | - |
| Families | $84,164 | $99,448 |
| Households | $63,115 | $78,790 |
| Non Families | $36,377 | $41,714 |
Average Income
Median Household Income
Poverty Rate