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Sullivan County, Tennessee Demographics 2026

Sullivan County, Tennessee has a population of 160,624, the 9th most populous county in Tennessee. The median household income is $58,807 and the median home value is $213,300. The poverty rate is 15.4%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Sullivan County Quick Facts

Population 160,624
Median Household Income $58,807
Median Home Value $213,300
Poverty Rate 15.4%
Unemployment Rate 5.4%
Median Age 45.0 years
Homeownership Rate 72.1%
Affordability Ratio 3.6x
Bachelor's Degree+ 26.8%
High School Graduation 90.0%
Cities/Places 11
Population 160,624 9th of 95
Median Income $58,807 16% lower than state
Poverty Rate 15.4%
Unemployment 5.4%

How Sullivan County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population159,693160,624+0.6%
Median household income$56,802$58,807+3.5%
Median home value$190,800$213,300+11.8%

Economy & Housing

Household Income Distribution

Under $25K 19.8%
$25K-$50K 23.2%
$50K-$100K 29.7%
$100K+ 27.3%
Detailed income brackets
Under $10K
4.7%
$10K-$15K
4.7%
$15K-$20K
4.4%
$20K-$25K
6.0%
$25K-$30K
4.8%
$30K-$35K
5.0%
$35K-$40K
4.4%
$40K-$45K
4.9%
$45K-$50K
4.2%
$50K-$60K
7.7%
$60K-$75K
9.2%
$75K-$100K
12.8%
$100K-$125K
8.9%
$125K-$150K
5.4%
$150K-$200K
6.6%
$200K+
6.4%

Employment

5.4% Unemployment Rate State: 4.7%|National: 5.2%
56.2% Labor Force Participation

Housing Overview

Owner 72.1%
Renter 27.9%
Affordability Index Affordable
3.6x home value to income ratio
Median gross rent $889/mo 18.1% of median household income annually

People & Demographics

Diversity Index

16out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 46 | National average: 61

Education

Cities & Places in Sullivan County

CityPopulationMedian IncomePovertyHome Value
Johnson City72,222$57,25420.3%$268,200
Kingsport56,262$52,49020.7%$234,100
Bristol27,636$58,16213.6%$194,500
Bloomingdale9,292$52,31725.7%$165,500
Spurgeon4,071$64,25021.9%$219,300
Blountville3,309$54,7548.3%$177,300
Colonial Heights3,258$80,1484.7%$217,100
Walnut Hill2,415$51,7425.9%$219,900
Bluff City2,225$61,05915.3%$157,400
Sullivan Gardens1,267$46,7548.0%$194,800
Orebank816$67,74012.5%$185,100

Population Overview

Sullivan County is located in Tennessee with a total population of 160,624. It is the 9th most populous county out of 95 in Tennessee. The county encompasses 11 Census-designated places.

Age Demographics

The median age in Sullivan County is 45.0 years. This is 16% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Sullivan County is $58,807. This is 16% lower than the state median of $69,595. It is also 27% lower than the national median of $80,734. The poverty rate stands at 15.4%. This is 12% higher than the state poverty rate of 13.8%. The unemployment rate is 5.4%. This is 16% higher than the state rate of 4.7%. The median home value is $213,300. Housing costs are 26% lower than the state median of $286,700. The home-value-to-income ratio is 3.6x. 72.1% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 66.9%.

Race & Ethnicity

Sullivan County has a predominantly White (non-Hispanic) population, comprising 91.6% of all residents. Hispanic or Latino residents account for 2.6%. The Black or African American population (2.0%) is well below the state average of 15.4%. The Hispanic or Latino population (2.6%) is well below the state average of 7.4%. The Asian population (0.8%) is well below the state average of 1.9%.

Education

26.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% lower than the state rate of 31.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.0%.

Data Sources & Methodology

All figures for Sullivan County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Tennessee and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Sullivan County, Tennessee?

Sullivan County has a population of 160,624, making it the 9th most populous county in Tennessee.

What is the median income in Sullivan County?

The median household income in Sullivan County is $58,807 with a poverty rate of 15.4%.

How many cities are in Sullivan County, Tennessee?

Sullivan County contains 11 Census-designated places.