| Name | Rockcastle County |
| State | Kentucky |
| FIPS Code | 21203 |
| County Seat | Mount Vernon |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 17,090 |
| Population Growth Rate(2000-2022) | -5.97% |
| Majority Ethnicity | White 99.76% |
| Public School Majority Ethnicity | White 95% |
| Partisan Voting Index | Strongly Republican:+34 |
| Unemployment Rate (November 2024) | 5.3% |
| Area Code(s) | 606 / 859 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 99.76% |
| African American | 0.1% |
| Hispanic | 0.06% |
| Asian | 0.08% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 95.29% |
| African American | 0.4% |
| Hispanic | 1.99% |
| Asian | 0.25% |
| Native American | 0.11% |
| Hawaiin/Pacific Islander | 0% |