Obion County Map, Tennessee

Written and Fact-checked by | Updated On: April 28, 2026 | 15:21 ET

Map of Obion County - Obion County is a county located in the U.S. state of Tennessee. Obion County Map showing cities, highways, important places and water bodies. Get Where is Obion County located in the map, major cities in Obion county, population, areas, and places of interest.

Map of Obion County, Tennessee

Map of Obion County, Tennessee

About Obion County Map, Tennessee: The map showing the county boundary, county seat, major cities, highways and neighbouring counties.

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About Obion County, Tennessee

Obion County is a county located in the U.S. state of Tennessee. It's county seat is Union City. As per 2020 census, the population of Obion County is 30466 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 545 sq mi (1,412 km2). Obion County was established on 1823.

Obion County Facts

ContinentNorth America
CountryUnited States
StateTennessee
County SeatUnion City
Largest City/TownUnion City
Established1823
Total Area556 sq mi (1,440 sq km)
Land Area545 sq mi (1,412 sq km)
Water Area11 sq mi (28 sq km)
Population30,693 (Census 2020)
Population Density56 people per sq mi
Time ZoneCentral Time Zone (CT)
Major HighwaysUS-51, US-45E, TN-22
Neighboring CountiesLake County, Weakley County, Dyer County, Fulton County (KY)
Famous ForReelfoot Lake nearby, agriculture, Discovery Park of America
Top AttractionsDiscovery Park of America, Reelfoot Lake (nearby), Union City Downtown
Official Websitehttps://www.obioncountytn.gov

Cities and Towns in Obion County, Tennessee

  • Union City (county seat) – 10,000 (Census 2020)
  • South Fulton – 2,200 (Census 2020)
  • Troy – 1,300 (Census 2020)
  • Samburg (partly) – 210 (Census 2020)

Roads and Highways in Obion County

Obion County is served by major highways that provide access across northwest Tennessee and into Kentucky.

  • U.S. Route 51 – runs north–south, connecting Union City to Memphis and Kentucky
  • U.S. Route 45E – links the county to other West Tennessee communities
  • State Route 22 – provides regional connectivity across the county

Neighboring Counties of Obion County

  • Fulton County, Kentucky (north)
  • Weakley County (east)
  • Dyer County (south)
  • Lake County (west)

Top Attractions in Obion County

Obion County offers cultural attractions, natural beauty, and small-town charm.

  • Discovery Park of America – a large museum complex with exhibits and gardens
  • Reelfoot Lake (nearby) – known for fishing, boating, and wildlife
  • Union City Downtown – features shops, dining, and local events
  • Masquerade Theatre – offers live performances and entertainment
  • Obion County Museum – showcases local history
  • South Fulton Historic Area – reflects regional heritage
  • Graham Park – provides recreational facilities and green space

Distance from Obion County to Nearby Cities

  • Obion County to Jackson – 60 mi (97 km)
  • Obion County to Memphis – 120 mi (193 km)
  • Obion County to Nashville – 170 mi (274 km)
  • Obion County to St. Louis – 180 mi (290 km)
  • Obion County to Louisville – 200 mi (322 km)

FAQs about Obion County

Where is Obion County located?

Obion County is located in northwestern Tennessee near the Kentucky border.

What is the county seat of Obion County?

The county seat is Union City.

What is Obion County known for?

It is known for Discovery Park of America, agriculture, and its proximity to Reelfoot Lake.

What are the main attractions in Obion County?

Main attractions include Discovery Park of America and nearby Reelfoot Lake.

How can I get to Obion County?

You can reach Obion County via U.S. Routes 51 and 45E.

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