Lyon County's 2026 population is estimated at 8,854, reflecting a -1.25% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lyon County is the 104th largest county in Kentucky. The 2010 population was 8,329 and has grown 6.3% since 2010.
Data after 2023 is projected based on recent change
Overall: 47.1 years
Female: 52.6 years
Male: 43.2 years
There are 7,693 adults, (2,193 of whom are seniors) in Lyon County.
Female: 3,769 (42.3%)
Male: 5,131 (57.7%)
The racial composition of Lyon County includes 88.31% White, 6.76% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,860 | 88.31% |
| Black or African American | 602 | 6.76% |
| Two or more races | 308 | 3.46% |
| Asian | 48 | 0.54% |
| Other race | 46 | 0.52% |
| Native American | 36 | 0.4% |
Lyon County 's average per capita income is $52,212. Household income levels show a median of $65,066. The poverty rate stands at 9.53%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,667 | - |
| Families | $87,000 | $109,869 |
| Households | $65,066 | $86,212 |
| Non Families | $35,382 | $46,300 |
Average Income
Median Household Income
Poverty Rate