Sullivan County, Tennessee
Sullivan County, Tennessee, has 163,759 residents (July 2025 estimate). Its county seat is Blountville. It uses Eastern Time and covers 414 sq mi (1,071 km²) of land.
- Resident population, July 2025
- 163,759
- Land area
- 414 sq mi (1,071 km²)
- County seat or government
- Blountville
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $58,807 ± $2,321
- Median home value
- $213,300 ± $6,300
- Median rent, with utilities
- $889 ± $29
- Homes lived in by their owners
- 72.1% ± 1.3 points
- County type
- County
- Metro or micro area
- Kingsport-Bristol, TN-VA metro areaCentral county
- Water area
- 16.2 sq mi (41.9 km²)
- State
- Tennessee
- County code (FIPS)
- 47163
- Coordinates (central point)
- 36.509681, -82.301336
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Sullivan County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Eastern TimeAmerica/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 3766040,996 people
- 3762038,494 people
- 3765929,080 people
- 3766428,267 people
- 3785721,657 people
- 3761714,744 people
- 3766314,230 people
- 3761812,548 people
- 376869,495 people
- 376654,741 people
- 376563,849 people
- 376941,729 people
12 ZIP Code areas overlap Sullivan County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Sullivan County, largest first
- Sullivan County School District79,887 people
- Kingsport City School District56,175 people
- Bristol City School District27,367 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Johnson City, Tennessee (city)72,222 people
- Kingsport, Tennessee (city)56,262 people
- Bristol, Tennessee (city)27,636 people
- Bloomingdale, Tennessee (CDP)9,292 people
- Spurgeon, Tennessee (CDP)4,071 people
- Blountville, Tennessee (CDP)3,309 people
- Colonial Heights, Tennessee (CDP)3,258 people
- Walnut Hill, Tennessee (CDP)2,415 people
- Bluff City, Tennessee (city)2,225 people
- Sullivan Gardens, Tennessee (CDP)1,267 people
- Orebank, Tennessee (CDP)816 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Bristol city, Virginia11 mi northeast
- Washington County, Tennessee18 mi southwest
- Carter County, Tennessee18 mi southeast
- Scott County, Virginia22 mi northwest
- Johnson County, Tennessee25 mi east
- Washington County, Virginia25 mi northeast
- Hawkins County, Tennessee35 mi west
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.
Areas that only touch the edge
These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.