Lake County's 2026 population is estimated at 6,452, reflecting a 0.23% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lake County is the 94th largest county in Tennessee. The 2010 population was 7,827 and has grown -17.57% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.8 years
Female: 47.2 years
Male: 40.3 years
There are 5,601 adults, (1,079 of whom are seniors) in Lake County.
Female: 2,462 (37.4%)
Male: 4,117 (62.6%)
The racial composition of Lake County includes 65.13% White, 22.45% Black or African American, and smaller percentages for Native American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,285 | 65.13% |
| Black or African American | 1,477 | 22.45% |
| Two or more races | 655 | 9.96% |
| Native American | 58 | 0.88% |
| Other race | 52 | 0.79% |
| Asian | 34 | 0.52% |
| Native Hawaiian or Pacific Islander | 18 | 0.27% |
Lake County 's average per capita income is $29,863. Household income levels show a median of $28,814. The poverty rate stands at 32.18%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $59,792 | - |
| Families | $42,045 | $57,547 |
| Households | $28,814 | $49,017 |
| Non Families | $20,806 | $35,788 |
Average Income
Median Household Income
Poverty Rate