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
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.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 159,693 | 160,624 | +0.6% |
| Median household income | $56,802 | $58,807 | +3.5% |
| Median home value | $190,800 | $213,300 | +11.8% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 46 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Sullivan County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Johnson City | 72,222 | $57,254 | 20.3% | $268,200 |
| Kingsport | 56,262 | $52,490 | 20.7% | $234,100 |
| Bristol | 27,636 | $58,162 | 13.6% | $194,500 |
| Bloomingdale | 9,292 | $52,317 | 25.7% | $165,500 |
| Spurgeon | 4,071 | $64,250 | 21.9% | $219,300 |
| Blountville | 3,309 | $54,754 | 8.3% | $177,300 |
| Colonial Heights | 3,258 | $80,148 | 4.7% | $217,100 |
| Walnut Hill | 2,415 | $51,742 | 5.9% | $219,900 |
| Bluff City | 2,225 | $61,059 | 15.3% | $157,400 |
| Sullivan Gardens | 1,267 | $46,754 | 8.0% | $194,800 |
| Orebank | 816 | $67,740 | 12.5% | $185,100 |
Explore Tennessee Rankings
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.