COUNTY · 1990 CENSUS

Decatur County

Tennessee · 10,472 residents · 334 sq mi

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With 10,472 people, Decatur County is a county in Tennessee. Four-year degrees are less common here than nationally, at 5% of adults. Owners hold 81% of the housing stock. The median age is 38.8, about 6 years above the US median. The typical home is worth $34,300. That trails the Tennessee median by roughly 28%.

At a glance

Lower income

below the US median

US median: $30,130

Older

median age 38.8

US median: 33.0

Less educated

5% hold a bachelor's degree

US average: 20%

More affordable

home values down 20%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

10,472

−11%vs 2000

vs 11,731 in 2000

1990 – 2025

Median age

38.8

−6%vs 2000

vs 41.2 in 2000

US average: 33.0

Land area

334 sq mi

Population, 1990 – 2024

202412K

Age distribution, 1990

Under 55.2%(542)

US avg: 7.3%

5 to 96%(626)

US avg: 7.3%

10 to 147.4%(771)

US avg: 6.9%

15 to 196.9%(718)

US avg: 7.1%

20 to 246.3%(661)

US avg: 7.5%

25 to 3413.3%(1,389)

US avg: 17.5%

35 to 4413.7%(1,432)

US avg: 15.1%

45 to 5411.8%(1,240)

US avg: 10.2%

55 to 6410.6%(1,113)

US avg: 8.5%

65 to 7410.4%(1,086)

US avg: 7.3%

75 to 847.2%(758)

US avg: 4%

85 and over1.3%(136)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$17,925

−18%inflation adjusted, since 2000

vs $28,741 in 2000

US average: $30,130

1990 – 2024

Per capita income

$9,345

−46%vs 2000

vs $17,285 in 2000

US average: $14,340

Poverty rate

19.9%

+3.9 ptsvs 2000

vs 16.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$34,300

−20%inflation adjusted, since 2000

vs $56,200 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$253

−4%inflation adjusted, since 2000

vs $346 in 2000

US average: $450

Owner-occupied

80.5%

+0.5 ptsvs 2000

vs 80.1% in 2000

19.5% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic93.4%(10,954)

Black3.5%(406)

Hispanic / Latino2%(229)

Asian0.2%(20)

Other0%

1990

White, non-Hispanic95.7%(10,025)

Black3.9%(409)

Hispanic / Latino0.6%(61)

Asian0.2%(16)

Other0.2%(22)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin

Mexican2.3%(270)

Puerto Rican0.5%(53)

Cuban0.4%(44)

Central American0.3%(36)

Salvadoran0.3%(29)

Guatemalan0.1%(7)

Asian origin

Asian Indian1.3%(152)

Chinese0%(4)

Korean0%(3)

Filipino0%(2)

Ancestry

American16.1%(1,870)

Irish13.1%(1,513)

English10.9%(1,263)

German7.3%(851)

Italian1.7%(202)

Scottish1.7%(200)

Subsaharan African1.6%(187)

Norwegian1.1%(126)

Polish0.8%(92)

Dutch0.7%(80)

Scotch-Irish0.4%(49)

French0.4%(41)

+ 11 more ancestry groups with data

Swedish0.3%(31)

Cape Verdean0.2%(22)

Welsh0.1%(13)

British0.1%(11)

Danish0.1%(11)

Portuguese0.1%(8)

Czech0.1%(6)

Nigerian0.1%(6)

French Canadian0%(4)

Slovak0%(3)

West Indian0%(3)

RANKED:Largest American population · Largest Irish population · Largest English population · Largest German population · Largest Mexican population

Section 05

Education

Bachelor's degree or higher

4.8%

−2.5 ptsvs 2000

vs 7.3% in 2000

US average: 20.3%

High school or higher

52.9%

−10.7 ptsvs 2000

vs 63.6% in 2000

US average: 75.2%

Graduate degree

1.5%

−1.0 ptsvs 2000

vs 2.5% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

20.6 min

+8%vs 2000

vs 19.1 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married28.1%(1,348)

Married56.6%(2,716)

Widowed2.2%(106)

Divorced13.1%(630)

Women 15+

Never married20.9%(1,028)

Married52.6%(2,594)

Widowed14%(691)

Divorced12.5%(616)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

10.3%

−3.1 ptssince 2013

from 13.4% in 2013

US average: 8.4%

Employer-based

39.7%

−4.9 ptssince 2020

from 44.6% in 2020

US average: 54.8%

Direct-purchase

15.6%

−0.7 ptssince 2020

from 16.3% in 2020

US average: 13.8%

Medicare

26.3%

−1.4 ptssince 2020

from 27.7% in 2020

US average: 18.4%

Medicaid

28.6%

+1.7 ptssince 2020

from 26.9% in 2020

US average: 20.9%

VA health care

2.2%

+0.2 ptssince 2020

from 2.0% in 2020

US average: 2.2%

Any private

54.3%

−5.1 ptssince 2020

from 59.4% in 2020

US average: 67.1%

Any public

50.3%

+1.2 ptssince 2020

from 49.1% in 2020

US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024

Gulf War (2001 or later)15.1%(73)

US avg: 26.4%

Gulf War (1990s)14.5%(70)

US avg: 24.3%

Vietnam era57%(276)

US avg: 33.1%

Korean War1%(5)

US avg: 4.5%

World War II1.2%(6)

US avg: 1%

Share of the 484 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE

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