Spencer County's estimated 2025 population is 21,169 with a growth rate of 1.53% in the past year according to the most recent United States census data. Spencer County is the 55th largest county in Kentucky. The 2010 population was 17,167 and has seen a growth of 23.31% since that time.
Data after 2023 is projected based on recent change
The racial composition of Spencer County includes 94.35% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 18,752 | 94.35% |
| Two or more races | 604 | 3.04% |
| Other race | 223 | 1.12% |
| Black or African American | 191 | 0.96% |
| Asian | 88 | 0.44% |
| Native American | 17 | 0.09% |
Married
Widowed
Divorced
Separated
Never Married
Spencer County's average per capita income is $52,846. Household income levels show a median of $98,333. The poverty rate stands at 7.38%.
Name | Median | Mean |
|---|---|---|
| Married Families | $121,356 | - |
| Families | $110,430 | $121,457 |
| Households | $98,333 | $110,220 |
| Non Families | $38,818 | $59,888 |
Average Income
Median Household Income
Poverty Rate