Union County Map, Tennessee

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

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

Map of Union County, Tennessee

Map of Union County, Tennessee

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

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About Union County, Tennessee

Union County is a county located in the U.S. state of Tennessee. It's county seat is Maynardville. As per 2020 census, the population of Union County is 20040 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 224 sq mi (580 km2). Union County was established on 1850.

Union County Facts

ContinentNorth America
CountryUnited States
StateTennessee
County SeatMaynardville
Largest City/TownMaynardville
Established1850
Total Area300 sq mi
Land Area291 sq mi
Water Area9 sq mi
Population19,802 (Census 2020)
Population Density68 people per sq mi
Time ZoneEastern (EST)
Major HighwaysTN-33, TN-61, TN-131
Neighboring CountiesClaiborne County, Grainger County, Knox County, Anderson County, Campbell County
Famous ForNorris Lake, scenic countryside, rural charm
Top AttractionsNorris Lake, Big Ridge State Park (nearby), Loyston Point Recreation Area
Official Websitehttps://unioncountytn.org

Cities and Towns in Union County, Tennessee

  • Maynardville (county seat) – 2,413 (Census 2020)
  • Luttrell – 1,037 (Census 2020)
  • Sharps Chapel – 0 (unincorporated community)
  • Plainview – 0 (unincorporated community)

Roads and Highways in Union County

Union County is served by several state highways that connect it to Knoxville and nearby counties in East Tennessee.

  • Tennessee State Route 33 (TN-33) – Main route connecting Maynardville to Knoxville and Tazewell
  • Tennessee State Route 61 (TN-61) – Connects the county to Norris and Anderson County
  • Tennessee State Route 131 (TN-131) – Links Luttrell to nearby communities and Grainger County

Neighboring Counties of Union County

  • Claiborne County (north)
  • Grainger County (east)
  • Knox County (south)
  • Anderson County (west)
  • Campbell County (northwest)

Top Attractions in Union County

Union County offers peaceful outdoor settings with access to lakes, parks, and scenic mountain views.

  • Norris Lake – Popular for boating, fishing, and lakeside recreation
  • Loyston Point Recreation Area – Campground and picnic area with lake access
  • Big Ridge State Park (nearby) – Offers hiking, camping, and nature programs
  • Chuck Swan State Forest (nearby) – Great for hiking, hunting, and wildlife viewing
  • Maynardville Historic Area – Small-town charm with local history
  • Sharps Chapel Area – Scenic views along the lake and countryside
  • Luttrell City Park – Local park with recreational facilities

Distance from Union County to Nearby Cities

  • Maynardville to Knoxville – 20 mi (32 km)
  • Maynardville to Oak Ridge – 35 mi (56 km)
  • Maynardville to Morristown – 45 mi (72 km)
  • Maynardville to Nashville – 180 mi (290 km)
  • Maynardville to Chattanooga – 120 mi (193 km)

FAQs about Union County

What is Union County known for?

Union County is known for Norris Lake, scenic countryside, and its quiet rural setting.

What is the county seat of Union County?

Maynardville is the county seat and largest town.

Is Union County near Knoxville?

Yes, it is located about 20 miles north of Knoxville.

What outdoor activities are available in Union County?

Visitors can enjoy boating, fishing, camping, and hiking in and around Norris Lake.

Is Union County a rural area?

Yes, it is mostly rural with scenic landscapes and small communities.

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