United States › Tennessee › Decatur County COUNTY · 2020 ACS
Decatur County Tennessee · 11,435 residents · 334 sq mi
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The short version
Decatur County is a county of 11,435 people in Tennessee. The median age is 47.6, about 9 years above the US median. Four-year degrees are less common here than nationally, at 14% of adults. The typical home is worth $97,800, having risen by half since 2000. Owners hold 77% of the housing stock. 0% of residents were born outside the United States.
At a glance
Lower income
below the US median
US median: $66,278
Older
median age 47.6
US median: 38.8
Less educated
14% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 41.2 in 2000
US average: 38.8
Population, 1990 – 2024
10K 11K 11K 12K 12K 1990 2000 2010 2020 2024 Decatur County Age distribution, 2020
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Section 02
Income & economy $40,389
−6%inflation adjusted, since 2000
from $28,741 in 2000
US average: $66,278
from $17,285 in 2000
US average: $35,364
Households earning $100K+
from 13.7% in 2009
US average: 43.9%
from 16.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Agriculture, forestry, fishing 4.3%
Professional, scientific, technical 4.1%
Transportation & warehousing 2.1%
Education & health services 1.2%
Arts, entertainment, food 0.5%
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$97,800
+16%inflation adjusted, since 2000
from $56,200 in 2000
US average: $265,253
$572
+10%inflation adjusted, since 2000
from $346 in 2000
US average: $1,124
from 80.1% in 2000
23.3% rent
2.47 people
+11%since 2009
from 2.22 people in 2009
US average: 2.61
from 2.7 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 93.4%(10,954)
2020
White, non-Hispanic 91.5%(10,462)
Hispanic / Latino 3.1%(358)
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 10 more ancestry groups with data from 7.3% in 2000
US average: 32.9%
High school or higher
from 63.6% in 2000
US average: 88.5%
from 2.5% in 2000
US average: 12.7%
Section 06
Commute & transportation from 19.1 min in 2000
US average: 26.9
from 87.0% in 2009
US average: 75.1%
from 9.0% in 2009
US average: 8.4%
Section 07
Work & employment from 14.3% in 2011
US average: 5.4%
from 55.6% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 21.3% in 2009
US average: 39.3%
Section 08
People & community from 1.1% in 2009
US average: 13.5%
from 13.4% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 28.1%(1,348)
Women 15+
Never married 20.9%(1,028)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 13.4% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
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, 2020
Gulf War (2001 or later) 5.4%(35)
Gulf War (1990s) 13.7%(88)
Share of the 644 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.
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Drill deeper
Places similar to Decatur County Head to head
Compare Decatur County to nearby counties DECATUR COUNTY VS
Perry County
Income $55,972 +39%
Home value $126,900 +30%
Population 9,126 −23%
SEE FULL COMPARISON →
DECATUR COUNTY VS
Henderson County
Income $55,136 +37%
Home value $164,800 +69%
Population 28,518 +141%
SEE FULL COMPARISON →
DECATUR COUNTY VS
Hardin County
Income $49,956 +24%
Home value $160,400 +64%
Population 27,983 +137%
SEE FULL COMPARISON →
DECATUR COUNTY VS
Wayne County
Income $52,294 +29%
Home value $130,700 +34%
Population 16,416 +39%
SEE FULL COMPARISON →
Frequently asked
How many people live in Decatur County, Tennessee? Decatur County, Tennessee has about 11,435 residents according to the 2020 American Community Survey.
What is the median household income in Decatur County, Tennessee? The typical household in Decatur County, Tennessee earns about $40,389 a year. Half of households make more than that, and half make less.
Is Decatur County, Tennessee expensive? In Decatur County, Tennessee, the median home is worth about $97,800, and the typical rent is about $572 a month.
How educated are people in Decatur County, Tennessee? About 14.3% of adults age 25 and over in Decatur County, Tennessee hold a bachelor's degree or higher.
What is the poverty rate in Decatur County, Tennessee? About 18.7% of people in Decatur County, Tennessee live below the federal poverty line.
Has Decatur County, Tennessee grown since 1990? Yes, Decatur County, Tennessee has grown since 1990. The population has added about 963 residents, a change of about 9 percent over that period.
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