Marion County's estimated 2026 population is 20,232 with a growth rate of 0.58% in the past year according to the most recent United States census data. Marion County is the 58th largest county in Kentucky. The 2010 population was 19,853 and has seen a growth of 1.91% since that time.
Data after 2023 is projected based on recent change
Overall: 40.4 years
Female: 43 years
Male: 38.9 years
There are 15,049 adults, (3,424 of whom are seniors) in Marion County.
Female: 9,786 (49.6%)
Male: 9,963 (50.4%)
The racial composition of Marion County includes 88.05% White, 7.56% Black or African American, and smaller percentages for Two or more races, other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 17,389 | 88.05% |
| Black or African American | 1,493 | 7.56% |
| Two or more races | 493 | 2.5% |
| Other race | 227 | 1.15% |
| Asian | 125 | 0.63% |
| Native American | 22 | 0.11% |
Marion County's average per capita income is $45,054. Household income levels show a median of $59,627. The poverty rate stands at 16.97%.
Name | Median | Mean |
|---|---|---|
| Married Families | $82,727 | - |
| Families | $72,617 | $85,433 |
| Households | $59,627 | $72,085 |
| Non Families | $31,867 | $41,764 |
Average Income
Median Household Income
Poverty Rate
