Franklin County's 2026 population is estimated at 46,047, reflecting a 1% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Franklin County is the 36th largest county in Tennessee. The 2010 population was 40,960 and has grown 12.42% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.2 years
Female: 43.2 years
Male: 40.4 years
There are 35,360 adults, (9,181 of whom are seniors) in Franklin County.
Female: 22,274 (50.6%)
Male: 21,716 (49.4%)
The racial composition of Franklin County includes 88.11% White, 4.89% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 38,760 | 88.11% |
| Black or African American | 2,151 | 4.89% |
| Two or more races | 1,634 | 3.71% |
| Other race | 821 | 1.87% |
| Asian | 434 | 0.99% |
| Native American | 190 | 0.43% |
Franklin County 's average per capita income is $44,535. Household income levels show a median of $63,494. The poverty rate stands at 11.98%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $92,387 | $107,577 |
| Families | $79,023 | $97,374 |
| Households | $63,494 | $81,726 |
| Non Families | $37,460 | $52,200 |
Average Income
Median Household Income
Poverty Rate