Spencer County's estimated 2026 population is 21,289 with a growth rate of 1.39% 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 24.01% since that time.
Data after 2023 is projected based on recent change
Overall: 42.9 years
Female: 42.9 years
Male: 42.9 years
There are 15,643 adults, (3,128 of whom are seniors) in Spencer County.
Female: 9,952 (49.3%)
Male: 10,241 (50.7%)
The racial composition of Spencer County includes 93.28% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 18,837 | 93.28% |
| Two or more races | 945 | 4.68% |
| Black or African American | 168 | 0.83% |
| Other race | 120 | 0.59% |
| Asian | 108 | 0.53% |
| Native American | 15 | 0.07% |
Spencer County's average per capita income is $58,047. Household income levels show a median of $102,618. The poverty rate stands at 9.84%.
Name | Median | Mean |
|---|---|---|
| Married Families | $123,483 | - |
| Families | $112,237 | $126,633 |
| Households | $102,618 | $116,525 |
| Non Families | $48,088 | $67,547 |
Average Income
Median Household Income
Poverty Rate