Obion County, Tennessee
Obion County, Tennessee, has 30,067 residents (July 2025 estimate). Its county seat is Union City. It uses Central Time and covers 545 sq mi (1,411 km²) of land.
- Resident population, July 2025
- 30,067
- Land area
- 545 sq mi (1,411 km²)
- County seat or government
- Union City
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $54,613 ± $3,708
- Median home value
- $133,600 ± $10,724
- Median rent, with utilities
- $770 ± $28
- Homes lived in by their owners
- 68.1% ± 2.6 points
- County type
- County
- Metro or micro area
- Union City, TN micro areaCentral county
- Water area
- 10.6 sq mi (27.4 km²)
- State
- Tennessee
- County code (FIPS)
- 47131
- Coordinates (central point)
- 36.361892, -89.148078
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 Obion County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 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
- 3826116,385 people
- 3823715,627 people
- 382574,437 people
- 382603,720 people
- 382332,674 people
- 380802,506 people
- 382552,271 people
- 382322,238 people
- 382401,620 people
- 38253917 people
- 38259672 people
- 382540 people
12 ZIP Code areas overlap Obion 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 Obion County, largest first
- Obion County School District19,598 people
- Union City School District10,855 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.
- Union City, Tennessee (city)10,982 people
- South Fulton, Tennessee (city)2,379 people
- Troy, Tennessee (town)1,827 people
- Kenton, Tennessee (town)1,513 people
- Obion, Tennessee (town)1,087 people
- Woodland Mills, Tennessee (city)624 people
- Trimble, Tennessee (town)554 people
- Hornbeak, Tennessee (town)540 people
- Samburg, Tennessee (town)231 people
- Rives, Tennessee (town)162 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Fulton County, Kentucky13 mi north
- Lake County, Tennessee19 mi west
- Hickman County, Kentucky24 mi northeast
- Weakley County, Tennessee24 mi east
- Dyer County, Tennessee26 mi southwest
- Gibson County, Tennessee28 mi southeast
Before using this answer on a form
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