Decatur County, Tennessee Population 2024

11,866

Decatur County, Tennessee's estimated 2024 population is 11,866 with a growth rate of 1.29% in the past year according to the most recent United States census data. Decatur County, Tennessee is the 87th largest county in Tennessee. The 2010 population was 11,713 and has seen a growth of 1.31% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202912,6211511.21%
202812,4701511.23%
202712,3191511.24%
202612,1681511.26%
202512,0171511.27%
202411,8661511.29%
202311,7151511.31%
202211,5641511.32%
202111,413-24-0.21%
202011,437-171-1.47%
201911,608-61-0.52%
201811,669-42-0.36%
201711,711-17-0.14%
201611,7281321.14%
201511,596-85-0.73%
201411,681-12-0.1%
201311,693620.53%
201211,631-48-0.41%
201111,679-34-0.29%
201011,713
199010,472-385-3.55%
198010,8571,40014.8%
19709,4571,13313.61%
19608,324-1,118-11.84%
19509,442-819-7.98%
194010,2611551.53%
193010,106-92-0.9%
192010,1981051.04%
191010,093-346-3.31%
190010,4391,44416.05%
18908,9954975.85%
18808,4987269.34%
18707,7721,49623.84%
18606,2762734.55%
18506,003-6,618-52.44%
showing: 35 rows
2024 Growth Rate
1.29% (151)
County Website
Decatur County
County Seat
2010 Population
11,713
Area
334 mi²
Density
36 people/mi²
Growth Since 2010
1.31% (153)
Founded
November 1845

Decatur County, Tennessee Population 2024

Population by Race

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Race
Population
Percentage (of total)
White10,56091.96%
Two or more races5855.09%
Black or African American2702.35%
Other race480.42%
Asian120.1%
Native American80.07%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Decatur County, Tennessee Population by Race

Decatur County, Tennessee Population Pyramid 2024

Decatur County, Tennessee Median Age

45.8

Total

44.2

Male

48.2

Female

Decatur County, Tennessee Adults

There are 9,163 adults, (2,699 of whom are seniors) in Decatur County, Tennessee.

Decatur County, Tennessee Age Dependency

77.6

Age Dependency Ratio

41.8

Old Age Dependency Ratio

35.9

Child Dependency Ratio

Decatur County, Tennessee Sex Ratio

Female5,82250.7%
Male5,66149.3%

Decatur County, Tennessee Population by Age

Decatur County, Tennessee Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,3632.5878.221.8
Married2,4933.2586.413.6
Non Family1,3241.1973.126.9
Female4062.9356.743.3
Male1402.8442.957.1
showing: 5 rows

3.12

Average Family Size

2.58

Average Household Size

78.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Decatur County, Tennessee Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Decatur County, Tennessee Educational Attainment by Sex (over 25)

Decatur County, Tennessee Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 50%.

Decatur County, Tennessee Educational Attainment by Race

All

Male

Female

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$37,845

Average Earnings

$41,930

Average Male

$31,959

Average Female

Decatur County, Tennessee Earnings by Educational Attainment

Decatur County, Tennessee Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Decatur County, Tennessee Language

98.83% of Decatur County, Tennessee residents speak only English, while 1.17% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.8% of the population.

Decatur County, Tennessee Language

Decatur County, Tennessee Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White10,2591,91918.71%
Multiple57913823.83%
Black2568232.03%
Hispanic4086215.2%
Native88100%
showing: 5 rows

19.24%

Overall Poverty Rate

17.14%

Male Poverty Rate

21.3%

Female Poverty Rate

Poverty in Decatur County, Tennessee

The race most likely to be in poverty in Decatur County, Tennessee is Native, with 100% below the poverty level.

The race least likely to be in poverty in Decatur County, Tennessee is Hispanic, with 15.2% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.59%. Among those working part-time, it was 21.13%, and for those that did not work, the poverty rate was 29.38%.

Decatur County, Tennessee Poverty

rate

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Rate
Poverty
Less Than 9th Grade27.77%
High School20.31%
Some College11.27%
Bachelors or Greater2.42%
showing: 4 rows

Decatur County, Tennessee Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed79.3%
Female Unemployed45.53%
Male Employed7.04%
Female Employed6.24%
showing: 4 rows

Decatur County, Tennessee Poverty Rate by Employment Status and Sex

Decatur County, Tennessee Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Decatur County, Tennessee Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

54.0%

Overall Marriage Rate

57.1%

Male Marriage Rate

51.1%

Female Marriage Rate

Decatur County, Tennessee Married by Age and Sex

male

female

Decatur County, Tennessee Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Decatur County, Tennessee Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Decatur County, Tennessee Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

587

Number of Veterans

574

Male Veterans

13

Female Veterans

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Decatur County, Tennessee Veterans by War

count

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Decatur County, Tennessee Veterans by Age

count

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Decatur County, Tennessee Veterans by Race

Decatur County, Tennessee Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.47%

Veteran Poverty Rate

30.64%

Veteran Disability Rate

Decatur County, Tennessee Veterans by Education

LaborForceParticipation

50.8%

Labor Force Participation

46.8%

Employment Rate

7.9%

Unemployment Rate

Decatur County, Tennessee Employment by Age

LaborForceParticipation

Decatur County, Tennessee Employment by Race

LaborForceParticipation

Decatur County, Tennessee Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

75.17%

Born in Decatur County, Tennessee

99.78%

Native Born

0.22%

Foreign Born

0.17%

Non Citizen

0.05%

Naturalized

Place of Birth

99.78% of Decatur County, Tennessee residents were born in the United States, with 75.17% having been born in Tennessee. 0.17% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Decatur County, Tennessee Place of Birth

Sources