Smith County, Tennessee

Smith County, Tennessee, had an estimated population of 20,981 in 2025 across 814 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Tennessee's counties and nationally.

Population
20,981
2025 estimate
Area
814 km²
Density
26
per km²
Median income
$66,293
household, ACS 2024
Median age
40.6
years, ACS 2024
How Tennessee's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202487.6%
Median Gross Rent2024$922
Median Home Value2024$243,800
Owner-Occupied Homes202476.9%
Vacant Homes20249.4%
Demography
IndicatorValue
Aged 65 and Over202416.7%
American Indian & Alaska Native20240.0%
Asian, non-Hispanic20240.4%
Average Household Size2024people2.6
Black, non-Hispanic20241.9%
Foreign-Born20241.5%
Hispanic or Latino20243.1%
Median Age2024years40.6
Sex Ratio2024per 1,000 males980
Speak a Language Other Than English20243.4%
Under 18202422.4%
Veterans20246.8%
White, non-Hispanic202490.0%
Economy
IndicatorValue
Below Poverty Line202410.0%
Households on SNAP20249.8%
Income Inequality2024index0.420
Median Household Income2024$66,293
Per Capita Income2024$33,386
Unemployment Rate20242.7%
Education
IndicatorValue
Bachelor's Degree or Higher202418.5%
High School or Higher202488.0%
Health Coverage
IndicatorValue
No Health Insurance20248.3%
With a Disability202415.7%
Population & Density
IndicatorValue
Population202520,981
Population Density2025/km²26
Work & Commute
IndicatorValue
Commute by Public Transit20240.1%
Households with No Vehicle20243.9%
Mean Commute Time2024minutes32.2
Work from Home20248.2%
Compare Smith County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.