Washington County, Tennessee
Washington County, Tennessee, has 141,199 residents (July 2025 estimate). Its county seat is Jonesborough. It uses Eastern Time and covers 327 sq mi (846 km²) of land.
- Resident population, July 2025
- 141,199
- Land area
- 327 sq mi (846 km²)
- County seat or government
- Jonesborough
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $62,809 ± $3,232
- Median home value
- $249,000 ± $7,958
- Median rent, with utilities
- $1,005 ± $31
- Homes lived in by their owners
- 64.5% ± 1.4 points
- County type
- County
- Metro or micro area
- Johnson City, TN metro areaCentral county
- Water area
- 3.28 sq mi (8.49 km²)
- State
- Tennessee
- County code (FIPS)
- 47179
- Coordinates (central point)
- 36.295665, -82.495037
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 Washington 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
- 3760439,097 people
- 3760138,008 people
- 3765929,080 people
- 3761522,821 people
- 3766314,230 people
- 3765012,774 people
- 376419,733 people
- 376869,495 people
- 376815,723 people
- 376904,722 people
- 376563,849 people
- 376142,767 people
All 13
- 376941,729 people
13 ZIP Code areas overlap Washington 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 Washington County, largest first
- Washington County School District69,657 people
- Johnson City School District66,604 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
- Jonesborough, Tennessee (town)6,232 people
- Oak Grove, Washington County, Tennessee (CDP)4,626 people
- Spurgeon, Tennessee (CDP)4,071 people
- Gray, Tennessee (CDP)2,237 people
- Fall Branch, Tennessee (CDP)1,160 people
- Embreeville, Tennessee (CDP)1,062 people
- Telford, Tennessee (CDP)731 people
- Watauga, Tennessee (city)644 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Unicoi County, Tennessee14 mi south
- Sullivan County, Tennessee18 mi northeast
- Carter County, Tennessee21 mi east
- Greene County, Tennessee21 mi west
- Hawkins County, Tennessee27 mi northwest
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.