| Name | Lyon County |
| State | Kentucky |
| FIPS Code | 21143 |
| County Seat | Eddyville |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 9,190 |
| Population Growth Rate(2020-2024) | 5.51% |
| Majority Ethnicity | White 90.49% |
| Public School Majority Ethnicity | White 88% |
| Partisan Voting Index | Strongly Republican:+26 |
| Unemployment Rate (May 2026) | 6.0% |
| Sales Tax Rate (2025) | 6% |
| Area Code(s) | 270 / 364 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 90.49% |
| African American | 7.05% |
| Hispanic | 1.09% |
| Asian | 1% |
| Native American | 0.38% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 87.98% |
| African American | 2.71% |
| Hispanic | 3.71% |
| Asian | 0.9% |
| Native American | 0.3% |
| Hawaiin/Pacific Islander | 0.2% |