Decatur County, Tennessee Population 2024

11,763

Decatur County, Tennessee's estimated 2024 population is 11,763 with a growth rate of 0.92% 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 0.43% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202912,2981070.88%
202812,1911070.89%
202712,0841070.89%
202611,9771070.9%
202511,8701070.91%
202411,7631070.92%
202311,6561070.93%
202211,5491471.29%
202111,402-31-0.27%
202011,433-175-1.51%
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%
201011,71300%
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%
18506,003-6,295-51.19%
2024 Growth Rate
0.92% (107)
County Website
Decatur County
County Seat
Decaturville
2020 Population
11,433
Area
334 mi²
Density
35 people/mi²
Growth Since 2020
2.89% (330)
Founded
November 1845

Population by Race

Race
Population
Percentage (of total)
White10,53091.57%
Two or more races4323.76%
Black or African American3533.07%
Asian1080.94%
Other race670.58%
Native American90.08%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Decatur County, Tennessee Population by Race

Decatur County, Tennessee Population Pyramid 2024

Decatur County, Tennessee Median Age

45.9

Total

44.3

Male

48.1

Female

Decatur County, Tennessee Adults

There are 9,153 adults, (2,723 of whom are seniors) in Decatur County, Tennessee.

Decatur County, Tennessee Age Dependency

78.8

Age Dependency Ratio

42.3

Old Age Dependency Ratio

36.5

Child Dependency Ratio

Decatur County, Tennessee Sex Ratio

Female5,70649.62%
Male5,79350.38%

Decatur County, Tennessee Population by Age

Decatur County, Tennessee Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,4392.557525
Married2,3563.3282.917.1
Non Family1,4631.1972.527.5
Female4802.9556.743.3
Male1402.3731.468.6

3.15

Average Family Size

2.55

Average Household Size

75.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Decatur County, Tennessee Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade87710.5%
Associates Degree6467.74%
Bachelors Degree1,04512.51%
Graduate Degree2092.5%
High School Graduate3,78545.32%
Less Than 9th Grade4465.34%
Some College1,34316.08%

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

Race
Total
High School
Bachelors
White7,7306,5761,172
Black22419928
2+ Races21313119
Hispanic20212130
Asian84285
Other Race171715
Native American600

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

The highest rate of bachelors degrees is among other race people with a rate of 88.24%.

Decatur County, Tennessee Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$53,750$60,551$51,354
Graduate Degree$74,773$73,636$0
High School Graduate$36,277$42,102$24,551
Less Than 9th Grade$41,419$41,559$31,667
Overall$39,804$42,930$33,235
Some College$32,454$42,588$27,083

$39,804

Average Earnings

$42,930

Average Male

$33,235

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

97.8% of Decatur County, Tennessee residents speak only English, while 2.2% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.14% of the population.

Decatur County, Tennessee Language

Decatur County, Tennessee Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White10,2612,28822.3%
Hispanic3997218.05%
Black3455315.36%
Multiple4195112.17%
Native99100%
Asian10832.78%

21.6%

Overall Poverty Rate

19.55%

Male Poverty Rate

23.7%

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 Asian, with 2.78% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.9%. Among those working part-time, it was 22.48%, and for those that did not work, the poverty rate was 30.61%.

Decatur County, Tennessee Poverty

rate

Rate
Poverty
Less Than 9th Grade29.76%
High School22.93%
Some College15.57%
Bachelors or Greater3.18%

Decatur County, Tennessee Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed61.57%
Female Unemployed61.54%
Male Employed9.69%
Female Employed6.89%

Decatur County, Tennessee Poverty Rate by Employment Status and Sex

Decatur County, Tennessee Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$62,181$73,130
Households$46,190$62,272
Married Families$74,457$-999,999,999
Non Families$26,101$37,912

mean

median

Income by Household Type

Decatur County, Tennessee Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.0%

Overall Marriage Rate

53.4%

Male Marriage Rate

50.6%

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 Over 65, 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

546

Number of Veterans

515

Male Veterans

31

Female Veterans

War
Veterans
Vietnam299
First Gulf War95
Second Gulf War80
Korea16
World War II6

Decatur County, Tennessee Veterans by War

count

Age Group
Veterans
65 to 74191
75+150
35 to 5481
55 to 6480
18 to 3444

Decatur County, Tennessee Veterans by Age

count

Name
Veterans
% of Total
White5216.14%
2+ Races155.14%
Hispanic155.66%
Black103.75%

Decatur County, Tennessee Veterans by Race

Decatur County, Tennessee Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.81%

Veteran Poverty Rate

30.19%

Veteran Disability Rate

Decatur County, Tennessee Veterans by Education

LaborForceParticipation

48.6%

Labor Force Participation

44.6%

Employment Rate

8.3%

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

74.22%

Born in Decatur County, Tennessee

98.83%

Native Born

1.17%

Foreign Born

0.86%

Non Citizen

0.3%

Naturalized

Place of Birth

98.83% of Decatur County, Tennessee residents were born in the United States, with 74.22% having been born in Tennessee. 0.86% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Decatur County, Tennessee Place of Birth

Sources