Warren County's 2026 population is estimated at 43,890, reflecting a 0.4% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Warren County is the 38th largest county in Tennessee. The 2010 population was 39,859 and has grown 10.11% since 2010.
Overall: 39.8 years
Female: 40.6 years
Male: 38.4 years
There are 32,348 adults, (7,552 of whom are seniors) in Warren County.
Female: 21,091 (50%)
Male: 21,075 (50%)
The racial composition of Warren County includes 85.49% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36,046 | 85.49% |
| Two or more races | 3,176 | 7.53% |
| Other race | 1,144 | 2.71% |
| Black or African American | 1,131 | 2.68% |
| Native American | 330 | 0.78% |
| Asian | 240 | 0.57% |
| Native Hawaiian or Pacific Islander | 99 | 0.23% |
Warren County 's average per capita income is $41,012. Household income levels show a median of $55,487. The poverty rate stands at 15.71%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $80,620 | - |
| Families | $66,558 | $87,541 |
| Households | $55,487 | $74,703 |
| Non Families | $31,211 | $46,027 |
Average Income
Median Household Income
Poverty Rate