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  3. DeKalb County, TN
Tennessee (TN)615629

DeKalb County, TN

21.5K residents

Compare

21.5K

Population

$53.2K

Median income

per household

$225.9K

Home value

19.8%

Poverty rate

What stands out

  • Median household income: $53.2K (bottom quartile vs US counties).
  • Median home value: $225.9K.
  • Poverty rate: 19.8% (high poverty; top quartile vs US counties).

Categories vs U.S.

Economy

0 of 6 metrics better than U.S. benchmarks

Median household income

$53.2K

U.S.

$81K

Median home value

$225.9K

U.S.

$333K

Poverty rate

19.8%

U.S.

12.4%

Housing stress

Rent-burdened renters (≥30%)

58.0%

U.S.

51.1%

Severely rent-burdened (≥50%)

28.8%

U.S.

25.9%

Affordability Ratios

Rent-to-Income

18.1%

Below 30% threshold

Home-Value-to-Income

4.3×

Upper end of typical range

Income distribution

Share of households by income bracket (ACS).

< $50k
47.3%
$50–100k
30.7%
$100–200k
20.0%
$200k+
2.0%
See TN state economy →

Health

0 of 6 available metrics better than U.S.

Obesity

40.4%

U.S.

33.2%

Diabetes

15.9%

U.S.

12.1%

Current smoking

22.2%

U.S.

12.8%

See TN state health data →

Connectivity

1 of 3 metrics better than U.S.

Best available speed

1,000Mbps

Gigabit speeds reported

100+ Mbps coverage

82.1%

U.S.

85.3%

Gigabit ready

28.7%

U.S.

8.6%

5G available

43.2%

U.S.

77.4%

See TN state connectivity →

Map

DeKalb County, TN

Population

21.5K

Area

304.4 sq mi

Density

70.7/sq mi

Neighbors

Cannon County, TNPutnam County, TNSmith County, TNWarren County, TNWhite County, TNWilson County, TN
Data Sources & Notes

Data freshness

ACS 5-year
2020–2024
CDC PLACES
2025
BLS (LAUS)
2025-12
Broadband
2020-12
Mobile coverage
2025-11-24
Page updated
2026-02-23

Release schedule and upstream dates: Sources.

Data sources

U.S. Census (ACS 5-year)U.S. Census TIGER/LineCDC PLACESBLS (LAUS)FCC (Form 477 broadband)FCC (Mobile Broadband Data Collection)

Derived statistics

  • ACS county metrics (income, housing, demographics) are sourced directly from Census county-level tables.
  • CDC health metrics are sourced from county-level CDC PLACES data.
  • Unemployment is sourced from the BLS Local Area Unemployment Statistics (LAUS) program.
  • Population density is computed as population ÷ land area.

Data accuracy & methodology

County pages use 2020–2024 ACS 5-year county-level estimates sourced directly from Census county tables. CDC health metrics come from county-level CDC PLACES. Unemployment rates come from the BLS LAUS program. Connectivity metrics use FCC coverage data.