Rockcastle County's 2026 population is estimated at 16,084, reflecting a -0.4% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Rockcastle County is the 71st largest county in Kentucky. The 2010 population was 17,086 and has grown -5.86% since 2010.
Overall: 42.8 years
Female: 43.9 years
Male: 42.1 years
There are 12,683 adults, (3,116 of whom are seniors) in Rockcastle County.
Female: 8,169 (50.5%)
Male: 7,994 (49.5%)
The racial composition of Rockcastle County includes 95.73% White, and smaller percentages for Two or more races, other race, Black or African American, Native Hawaiian or Pacific Islander, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 15,473 | 95.73% |
| Two or more races | 390 | 2.41% |
| Other race | 162 | 1% |
| Black or African American | 97 | 0.6% |
| Native Hawaiian or Pacific Islander | 23 | 0.14% |
| Asian | 13 | 0.08% |
| Native American | 5 | 0.03% |
Rockcastle County 's average per capita income is $39,325. Household income levels show a median of $48,862. The poverty rate stands at 25.64%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $76,302 | - |
| Families | $68,031 | $82,155 |
| Households | $48,862 | $65,485 |
| Non Families | $21,114 | $31,620 |
Average Income
Median Household Income
Poverty Rate