Decatur County, Tennessee Population 2021

Decatur County, Tennessee's estimated population is 11,591 with a growth rate of -0.31% in the past year according to the most recent United States census data. Decatur County, Tennessee is the 87th largest county inTennessee. The 2010 Population was 11,717 and has seen a growth of -1.08% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202111,591-36-0.31%
202011,627-36-0.31%
201911,663-36-0.31%
201811,699-33-0.28%
201711,732-3-0.03%
201611,7351351.16%
201511,600-85-0.73%
201411,685-11-0.09%
201311,696620.53%
201211,634-48-0.41%
201111,682-35-0.30%
201011,7171,24511.89%
199010,472-385-3.55%
198010,8571,40014.80%
19709,4571,13313.61%
19608,324-1,118-11.84%
19509,442-819-7.98%
194010,2611551.53%
193010,106-92-0.90%
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%
18506,0030.00%
2021 Growth Rate
-0.31% (-36)
County Website
Founded
November 1845
County Seat
2010 Population
11,717
Growth Since 2010
-1.08% (-126)
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Decatur County, Tennessee Population Growth

Population by Race

Race Population Percentage
White10,78092.25%
Black or African American5184.43%
Two or More Races3623.10%
Some Other Race260.22%
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Decatur County, Tennessee Population by Race

Decatur County, Tennessee Population Pyramid $2021

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Decatur County, Tennessee Median Age

46.4


Total

44.7


Male

48.1


Female

Decatur County, Tennessee Adults

There are 9,182 adults, (2,739 of whom are seniors) in Decatur County, Tennessee.

Decatur County, Tennessee Age Dependency

81.4

Age Dependency Ratio

42.5

Old Age Dependency Ratio

38.9

Child Dependency Ratio

Decatur County, Tennessee Sex Ratio

Female

5,956

50.97%

Male

5,730

49.03%

Decatur County, Tennessee Population by Age

Decatur County, Tennessee Renter vs Owner Occupied by Household Type

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Decatur County, Tennessee Household Types

Type Owner Renter
Male51.9%48.1%
Female65.9%34.1%
Non Family70%30%
All81%19%
Married91.9%8.1%

81.0%

Rate of Home Ownership

Decatur County, Tennessee Households and Families

Type Count Average Size Owned
All4,4402.5881
Married2,4453.0891.9
Non Family1,3811.1470
Female4543.8665.9
Male1603.8251.9

3.14

Average Family Size

2.58

Average Household Size

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Decatur County, Tennessee Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3824.56%
9th to 12th Grade7979.51%
High School Graduate3,54242.27%
Some College1,78221.27%
Associates Degree6577.84%
Bachelors Degree90310.78%
Graduate Degree3163.77%
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Decatur County, Tennessee Educational Attainment by Sex (over 25)

Decatur County, Tennessee Educational Attainment by Race

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Race Total High School Bachelors
White7,8626,7631,192
Black31228223
2+ Races161132
Hispanic90694
Other Race13

The highest rate of high school graduation is among black people with a rate of 90.38%.

The highest rate of bachelors degrees is among white people with a rate of 15.16%.

Decatur County, Tennessee Educational Attainment by Race

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Name Average Male Female
Overall$30,708$34,850$27,600
Less Than 9th Grade$22,066$27,574$20,676
High School Graduate$26,357$32,147$15,278
Some College$31,294$37,681$29,671
Bachelors Degree$42,013$43,380$41,528
Graduate Degree$53,313$$52,531

$30,708

Average Earnings

$34,850

Average Male

$27,600

Average Female

Decatur County, Tennessee Earnings by Educational Attainment

Decatur County, Tennessee Language by Age

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Decatur County, Tennessee Language

99.49% of Decatur County, Tennessee residents speak only English, while 0.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.42% of the population.

Decatur County, Tennessee Language

Decatur County, Tennessee Poverty by Race

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Name Total In Poverty Poverty Rate
White10,4771,75216.72%
Black49518537.37%
Multiple3627019.34%
Hispanic16995.33%

17.60%

Overall Poverty Rate

15.25%

Male Poverty Rate

19.89%

Female Poverty Rate

Poverty in Decatur County, Tennessee

The race most likely to be in poverty in Decatur County, Tennessee is Black, with 37.37% below the poverty level.

The race least likely to be in poverty in Decatur County, Tennessee is Hispanic, with 5.33% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.50%. Among those working part-time, it was 14.52%, and for those that did not work, the poverty rate was 26.01%.

Decatur County, Tennessee Poverty

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Name Poverty
Less Than 9th Grade24.79%
High School18.69%
Some College8.86%
Bachelors or Greater3.29%

Decatur County, Tennessee Poverty Rate by Education

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Rate Poverty
Male Unemployed56.88%
Female Unemployed15.25%
Female Employed8.96%
Male Employed5.07%

Decatur County, Tennessee Poverty Rate by Employment Status and Sex

Decatur County, Tennessee Income by Household Type

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Name Median Mean
Households$42,031$58,074
Families$53,090$68,891
Married Families$63,151-
Non Families$19,041$32,589
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Income by Household Type

Decatur County, Tennessee Marital Status

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Marriage Rates

54.7%

Overall Marriage Rate

56.1%

Male Marriage Rate

53.5%

Female Marriage Rate

Decatur County, Tennessee Married by Age and Sex

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Decatur County, Tennessee Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Decatur County, Tennessee Marital Status by Race

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Decatur County, Tennessee Marital Status

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662

Number of Veterans

638

Male Veterans

24

Female Veterans

War Veterans
Vietnam358
Korea91
First Gulf War75
Second Gulf War34
World War II16

Decatur County, Tennessee Veterans by War

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Age Group Veterans
65 to 74260
75+203
55 to 64112
35 to 5473
18 to 3414

Decatur County, Tennessee Veterans by Age

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Name Veterans % of Total
White6017.00%
2+ Races4224.56%
Black194.80%
Hispanic910.00%

Decatur County, Tennessee Veterans by Race

Decatur County, Tennessee Veterans by Education

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9.57%

Veteran Poverty Rate

35.71%

Veteran Disability Rate

Decatur County, Tennessee Veterans by Education

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51.6%

Labor Force Participation

46.7%

Employment Rate

9.3%

Unemployment Rate

Decatur County, Tennessee Employment by Age

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Decatur County, Tennessee Employment by Race

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Decatur County, Tennessee Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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75.83%

Born in Decatur County, Tennessee

99.45%

Native Born

0.55%

Foreign Born

0.19%

Non Citizen

0.36%

Naturalized

Place of Birth

99.45% of Decatur County, Tennessee residents were born in the United States, with 75.83% having been born in Tennessee. 0.19% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources