Simpson County's 2026 population is estimated at 21,158, reflecting a 1.78% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Simpson County is the 56th largest county in Kentucky. The 2010 population was 17,337 and has grown 22.04% since 2010.
Overall: 38.8 years
Female: 39.6 years
Male: 38.1 years
There are 15,293 adults, (3,219 of whom are seniors) in Simpson County.
Female: 10,038 (50.3%)
Male: 9,934 (49.7%)
The racial composition of Simpson County includes 84.14% White, 6.91% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 16,804 | 84.14% |
| Two or more races | 1,638 | 8.2% |
| Black or African American | 1,381 | 6.91% |
| Other race | 96 | 0.48% |
| Asian | 31 | 0.16% |
| Native American | 22 | 0.11% |
Simpson County 's average per capita income is $43,619. Household income levels show a median of $59,858. The poverty rate stands at 15.55%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $83,591 | - |
| Families | $74,423 | $93,933 |
| Households | $59,858 | $75,938 |
| Non Families | $29,109 | $41,166 |
Average Income
Median Household Income
Poverty Rate
