Trimble County's 2026 population is estimated at 8,541, reflecting a -0.29% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Trimble County is the 108th largest county in Kentucky. The 2010 population was 8,809 and has grown -3.04% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.3 years
Female: 44.3 years
Male: 37 years
There are 6,738 adults, (1,586 of whom are seniors) in Trimble County.
Female: 4,191 (49%)
Male: 4,359 (51%)
The racial composition of Trimble County includes 92.15% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,879 | 92.15% |
| Two or more races | 407 | 4.76% |
| Other race | 134 | 1.57% |
| Black or African American | 97 | 1.13% |
| Asian | 24 | 0.28% |
| Native American | 9 | 0.11% |
Trimble County 's average per capita income is $42,853. Household income levels show a median of $66,027. The poverty rate stands at 13.28%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $92,029 | - |
| Families | $81,905 | $105,214 |
| Households | $66,027 | $89,556 |
| Non Families | $36,699 | $56,019 |
Average Income
Median Household Income
Poverty Rate
