Benton County's 2026 population is estimated at 16,185, reflecting a 0.04% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Benton County is the 77th largest county in Tennessee. The 2010 population was 16,510 and has grown -1.97% since 2010.
Data after 2023 is projected based on recent change
Overall: 47.8 years
Female: 48.4 years
Male: 47.3 years
There are 12,781 adults, (3,874 of whom are seniors) in Benton County.
Female: 8,101 (50.6%)
Male: 7,905 (49.4%)
The racial composition of Benton County includes 90.42% White, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 14,473 | 90.42% |
| Two or more races | 910 | 5.69% |
| Black or African American | 233 | 1.46% |
| Asian | 166 | 1.04% |
| Native Hawaiian or Pacific Islander | 101 | 0.63% |
| Other race | 93 | 0.58% |
| Native American | 30 | 0.19% |
Benton County 's average per capita income is $42,645. Household income levels show a median of $51,746. The poverty rate stands at 17.85%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $79,000 | - |
| Families | $66,477 | $80,065 |
| Households | $51,746 | $65,813 |
| Non Families | $35,417 | $40,467 |
Average Income
Median Household Income
Poverty Rate