Stewart County's 2026 population is estimated at 14,603, reflecting a 0.82% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Stewart County is the 80th largest county in Tennessee. The 2010 population was 13,347 and has grown 9.41% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.3 years
Female: 45.6 years
Male: 42.6 years
There are 11,105 adults, (2,933 of whom are seniors) in Stewart County.
Female: 6,988 (49.8%)
Male: 7,039 (50.2%)
The racial composition of Stewart County includes 92.07% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 12,914 | 92.07% |
| Two or more races | 642 | 4.58% |
| Black or African American | 196 | 1.4% |
| Other race | 147 | 1.05% |
| Asian | 114 | 0.81% |
| Native American | 14 | 0.1% |
Stewart County 's average per capita income is $43,305. Household income levels show a median of $63,114. The poverty rate stands at 16.42%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $94,748 | - |
| Families | $85,509 | $93,676 |
| Households | $63,114 | $77,433 |
| Non Families | $34,063 | $47,037 |
Average Income
Median Household Income
Poverty Rate