Sullivan County, Tennessee Population 2024

163,408

Sullivan County, Tennessee's estimated 2024 population is 163,408 with a growth rate of 0.79% in the past year according to the most recent United States census data. Sullivan County, Tennessee is the 10th largest county in Tennessee. The 2010 population was 156,756 and has seen a growth of 4.24% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029169,7731,2730.76%
2028168,5001,2730.76%
2027167,2271,2730.77%
2026165,9541,2730.77%
2025164,6811,2730.78%
2024163,4081,2730.79%
2023162,1351,2730.79%
2022160,8621,6501.04%
2021159,2129660.61%
2020158,246-223-0.14%
2019158,4696840.43%
2018157,7856310.4%
2017157,1547820.5%
2016156,372360.02%
2015156,336-173-0.11%
2014156,5092510.16%
2013156,258-109-0.07%
2012156,367-528-0.34%
2011156,8951390.09%
2010156,75600%
1990143,596-372-0.26%
1980143,96816,63913.07%
1970127,32913,19011.56%
1960114,13919,07620.07%
195095,06325,97837.6%
194069,08517,99835.23%
193051,08714,82840.89%
192036,2598,13928.94%
191028,1203,18512.77%
190024,9354,05619.43%
189020,8792,55813.96%
188018,3215,18539.47%
187013,136-416-3.07%
186013,5521,81015.41%
185011,7421,0069.37%
184010,7366636.58%
183010,0733,05843.59%
18207,0151682.45%
18106,847-3,371-32.99%
180010,2185,771129.77%
17904,447-165,326-97.38%
2024 Growth Rate
0.79% (1,273)
County Website
Sullivan County
County Seat
Blountville
2020 Population
158,246
Area
414 mi²
Density
395 people/mi²
Growth Since 2020
3.26% (5,162)
Founded
1779

Population by Race

Race
Population
Percentage (of total)
White147,97993.23%
Two or more races4,8293.04%
Black or African American3,1561.99%
Other race1,2670.8%
Asian1,2250.77%
Native American2540.16%
Native Hawaiian or Pacific Islander120.01%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Sullivan County, Tennessee Population by Race

Sullivan County, Tennessee Population Pyramid 2024

Sullivan County, Tennessee Median Age

45.2

Total

43.7

Male

46.5

Female

Sullivan County, Tennessee Adults

There are 128,421 adults, (34,884 of whom are seniors) in Sullivan County, Tennessee.

Sullivan County, Tennessee Age Dependency

69.7

Age Dependency Ratio

37.3

Old Age Dependency Ratio

32.4

Child Dependency Ratio

Sullivan County, Tennessee Sex Ratio

Female80,95551%
Male77,76749%

Sullivan County, Tennessee Population by Age

Sullivan County, Tennessee Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All67,5752.3172.527.5
Married31,4732.9386.913.1
Non Family24,6001.186238
Female8,145352.647.4
Male3,3573.1863.536.5

2.88

Average Family Size

2.31

Average Household Size

72.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sullivan County, Tennessee Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade8,0216.91%
Associates Degree11,5659.96%
Bachelors Degree20,21317.41%
Graduate Degree10,3378.9%
High School Graduate38,15932.86%
Less Than 9th Grade4,3713.76%
Some College23,44520.19%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Sullivan County, Tennessee Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White109,35697,99528,905
Black2,1891,976279
2+ Races2,0581,779621
Hispanic1,8271,409499
Asian834630342
Other Race799572197
Native American18616742
Islander121212

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

The highest rate of bachelors degrees is among islander people with a rate of 100%.

Sullivan County, Tennessee Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$50,340$66,072$41,651
Graduate Degree$64,789$90,787$57,820
High School Graduate$31,834$37,723$24,933
Less Than 9th Grade$29,091$34,331$23,657
Overall$39,419$46,525$32,935
Some College$38,311$47,742$31,154

$39,419

Average Earnings

$46,525

Average Male

$32,935

Average Female

Sullivan County, Tennessee Earnings by Educational Attainment

Sullivan County, Tennessee Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sullivan County, Tennessee Language

97.69% of Sullivan County, Tennessee residents speak only English, while 2.31% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.39% of the population.

Sullivan County, Tennessee Language

Sullivan County, Tennessee Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White144,71220,84814.41%
Multiple4,7491,19225.1%
Black2,93996932.97%
Hispanic3,49581923.43%
Other1,25728322.51%
Asian1,195957.95%
Native2344920.94%

15.19%

Overall Poverty Rate

13.95%

Male Poverty Rate

16.38%

Female Poverty Rate

Poverty in Sullivan County, Tennessee

The race most likely to be in poverty in Sullivan County, Tennessee is Black, with 32.97% below the poverty level.

The race least likely to be in poverty in Sullivan County, Tennessee is Asian, with 7.95% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.96%. Among those working part-time, it was 17.4%, and for those that did not work, the poverty rate was 20.61%.

Sullivan County, Tennessee Poverty

rate

Rate
Poverty
Less Than 9th Grade28.29%
High School15.83%
Some College9.37%
Bachelors or Greater4.57%

Sullivan County, Tennessee Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed31.03%
Male Unemployed25.68%
Female Employed7.57%
Male Employed5.69%

Sullivan County, Tennessee Poverty Rate by Employment Status and Sex

Sullivan County, Tennessee Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$71,464$93,841
Households$54,357$77,959
Married Families$85,073$109,888
Non Families$33,535$46,972

mean

median

Income by Household Type

Sullivan County, Tennessee Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.6%

Overall Marriage Rate

50.8%

Male Marriage Rate

48.6%

Female Marriage Rate

Sullivan County, Tennessee Married by Age and Sex

male

female

Sullivan 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.

Sullivan County, Tennessee Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sullivan County, Tennessee Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

11,547

Number of Veterans

10,576

Male Veterans

971

Female Veterans

War
Veterans
Vietnam4,161
First Gulf War2,405
Second Gulf War1,900
Korea689
World War II90

Sullivan County, Tennessee Veterans by War

count

Age Group
Veterans
75+3,225
65 to 743,061
35 to 542,544
55 to 641,847
18 to 34870

Sullivan County, Tennessee Veterans by Age

count

Name
Veterans
% of Total
White11,0689.16%
Black2379.34%
Hispanic1978.75%
2+ Races1425.17%
Other Race606.32%
Native American4018.35%

Sullivan County, Tennessee Veterans by Race

Sullivan County, Tennessee Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.46%

Veteran Poverty Rate

34.23%

Veteran Disability Rate

Sullivan County, Tennessee Veterans by Education

LaborForceParticipation

55.9%

Labor Force Participation

52.3%

Employment Rate

6.2%

Unemployment Rate

Sullivan County, Tennessee Employment by Age

LaborForceParticipation

Sullivan County, Tennessee Employment by Race

LaborForceParticipation

Sullivan 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

59.9%

Born in Sullivan County, Tennessee

98.36%

Native Born

1.64%

Foreign Born

0.83%

Non Citizen

0.81%

Naturalized

Place of Birth

98.36% of Sullivan County, Tennessee residents were born in the United States, with 59.9% having been born in Tennessee. 0.83% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sullivan County, Tennessee Place of Birth

Sources