DeKalb County, Tennessee

DeKalb County, Tennessee, had an estimated population of 21,873 in 2025 across 788 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: 21,873; 2025 estimate
Area: 788 km²
Density: 28; per km²
Median income: $53,153; household, ACS 2024
Median age: 41.9; years, ACS 2024

How Tennessee's counties spread

Amenities & Infrastructure

Indicator	Value	In Tennessee	In the US
Households with Broadband2024	83.2%	69 / 95	2,391 / 3,144
Median Gross Rent2024	$839	46 / 95	1,818 / 3,137
Median Home Value2024	$235,500	32 / 95	1,033 / 3,139
Owner-Occupied Homes2024	72.6%	62 / 95	1,887 / 3,144
Vacant Homes2024	14.8%	31 / 95	1,457 / 3,144

Demography

Indicator	Value	In Tennessee	In the US
Aged 65 and Over2024	18.8%	56 / 95	1,913 / 3,144
American Indian & Alaska Native2024	0.2%	12 / 95	1,145 / 3,144
Asian, non-Hispanic2024	1.1%	16 / 95	931 / 3,144
Average Household Size2024people	2.4	65 / 95	1,774 / 3,144
Black, non-Hispanic2024	1.5%	67 / 95	1,758 / 3,144
Foreign-Born2024	4.8%	17 / 95	1,007 / 3,144
Hispanic or Latino2024	7.7%	16 / 95	1,113 / 3,144
Median Age2024years	41.9	54 / 95	1,443 / 3,144
Sex Ratio2024per 1,000 males	1,003	64 / 95	1,476 / 3,144
Speak a Language Other Than English2024	5.4%	26 / 95	1,610 / 3,144
Under 182024	21.7%	32 / 95	1,614 / 3,144
Veterans2024	7.1%	55 / 95	1,631 / 3,144
White, non-Hispanic2024	87.0%	51 / 95	1,095 / 3,144

Economy

Indicator	Value	In Tennessee	In the US
Below Poverty Line2024	18.6%	20 / 95	615 / 3,144
Households on SNAP2024	13.2%	51 / 95	1,299 / 3,144
Income Inequality2024index	0.445	48 / 95	1,579 / 3,144
Median Household Income2024	$53,153	68 / 95	2,587 / 3,143
Per Capita Income2024	$30,133	59 / 95	2,404 / 3,144
Unemployment Rate2024	5.6%	24 / 95	799 / 3,144

Education

Indicator	Value	In Tennessee	In the US
Bachelor's Degree or Higher2024	20.8%	33 / 95	1,792 / 3,144
High School or Higher2024	84.5%	73 / 95	2,589 / 3,144

Health Coverage

Indicator	Value	In Tennessee	In the US
No Health Insurance2024	8.7%	64 / 95	1,336 / 3,144
With a Disability2024	19.5%	39 / 95	697 / 3,144

Population & Density

Indicator	Value	In Tennessee	In the US
Population2025	21,873	65 / 95	1,727 / 3,144
Population Density2025/km²	28	50 / 95	1,143 / 3,144

Work & Commute

Indicator	Value	In Tennessee	In the US
Commute by Public Transit2024	0.4%	14 / 95	924 / 3,144
Households with No Vehicle2024	7.0%	12 / 95	797 / 3,144
Mean Commute Time2024minutes	29.3	39 / 95	584 / 3,143
Work from Home2024	6.6%	66 / 95	2,195 / 3,144

Other counties of Tennessee

Compare DeKalb 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.