Union County Map, Arkansas

Written and Fact-checked by Whereig Editors, Reviewed by Mukesh Kumar| Last Updated On: May 10, 2026

Map of Union County - Union County is a county located in the U.S. state of Arkansas. 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.

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

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Map of Union County, Arkansas

Union County is a county located in the U.S. state of Arkansas. It's county seat is El Dorado. As per 2020 census, the population of Union County is 38340 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 1,055.27 sq mi (2,733 km2). Union County was established on -25625.

Union County Facts

Continent	North America
Country	United States
State	Arkansas
County Seat	El Dorado
Largest City/Town	El Dorado
Established	November 2, 1829
Total Area	1,055 sq mi (2,732 sq km)
Land Area	1,039 sq mi (2,691 sq km)
Water Area	16 sq mi (41 sq km)
Population	39,054 (Census 2020)
Population Density	37.6 people per sq mi
Time Zone	Central Time Zone (CT)
Major Highways	US 82, US 167, AR 7, AR 15, AR 335
Major Rivers	Ouachita River
Neighboring Counties	Ouachita County, Columbia County, Calhoun County, Claiborne Parish (LA), Union Parish (LA)
Famous For	El Dorado oil boom, Murphy Arts District, South Arkansas culture, timber industry
Top Attractions	Murphy Arts District, South Arkansas Arboretum, Arkansas Museum of Natural Resources, El Dorado Downtown Historic District
Official Website	Official Website

About Union County, Arkansas

Union County is located in southern Arkansas in the United States and was established in 1829. The county seat is El Dorado, which is also the largest city in the county. The county is known for its historic oil boom, arts and entertainment venues, forests, and role as a major economic center in southern Arkansas.

Cities and Towns in Union County, Arkansas

City/Town	Population (Census 2020)	Latitude & Longitude
El Dorado (county seat)	17,756	33.2076°N, 92.6663°W
Calion	449	33.3334°N, 92.5410°W
Felsenthal	85	33.0607°N, 92.1754°W
Huttig	448	33.0404°N, 92.1829°W
Junction City	523	33.0185°N, 92.7240°W
Lawson	368	33.2729°N, 92.4259°W
Mount Holly	286	33.3287°N, 92.9640°W
Norphlet	844	33.3154°N, 92.6621°W
Smackover	1,630	33.3657°N, 92.7243°W
Strong	462	33.1071°N, 92.3557°W

Golf Courses in Union County, Arkansas

Golf Course	Location	Latitude & Longitude
Lion Oil Golf Course	El Dorado	33.2218°N, 92.6825°W
Mystic Creek Golf Club	El Dorado	33.1658°N, 92.7081°W
El Dorado Golf and Country Club	El Dorado	33.2074°N, 92.6908°W

Roads and Highways in Union County, Arkansas

Major highways connect the county to Louisiana and other regions of Arkansas.

US Highway 82 - major east-west route through El Dorado and southern Arkansas
US Highway 167 - north-south corridor connecting El Dorado with Little Rock and Louisiana
Arkansas Highway 7 - scenic route linking southern Arkansas communities
Arkansas Highway 15 - regional highway serving rural communities and forested areas
Arkansas Highway 335 - local roadway connecting smaller towns and recreation sites

What Are the Neighboring Counties of Union County

Ouachita County (north)
Calhoun County (northeast)
Columbia County (west)
Union Parish, Louisiana (south)
Claiborne Parish, Louisiana (southeast)

Whar Are the Top Attractions in Union County, Arkansas

The county offers a mix of natural and cultural attractions.

Murphy Arts District - entertainment district featuring concerts, restaurants, and cultural venues
South Arkansas Arboretum - botanical and nature area with walking trails and native plants
Arkansas Museum of Natural Resources - museum highlighting the oil and brine industries of Arkansas
El Dorado Downtown Historic District - revitalized downtown area with historic architecture and shopping
Mystic Creek Golf Club - nationally recognized golf course in a forested setting
South Arkansas Arts Center - performing arts venue and regional cultural institution
Felsenthal National Wildlife Refuge nearby - wildlife refuge known for birdwatching and wetlands
Newton House Museum - preserved historic home and local history museum
Mattocks Park - public recreation area with sports and picnic facilities
Smackover Oil Field Heritage Area - historic region tied to Arkansas oil history
Ouachita River recreation areas - boating, fishing, and outdoor recreation destinations
Union County Courthouse - historic courthouse building in downtown El Dorado
South Arkansas Symphony performances - cultural events held throughout the year

What is the Distance from Union County to Nearby Cities

The following distances are measured by road (driving).

El Dorado to Little Rock (Pulaski County), Arkansas - 121 mi (195 km)
El Dorado to Shreveport (Caddo Parish), Louisiana - 71 mi (114 km)
El Dorado to Monroe (Ouachita Parish), Louisiana - 73 mi (117 km)
El Dorado to Camden (Ouachita County), Arkansas - 35 mi (56 km)
El Dorado to Magnolia (Columbia County), Arkansas - 38 mi (61 km)
El Dorado to Pine Bluff (Jefferson County), Arkansas - 86 mi (138 km)
El Dorado to Texarkana (Miller County), Arkansas - 101 mi (163 km)
El Dorado to Hot Springs (Garland County), Arkansas - 116 mi (187 km)
El Dorado to Ruston (Lincoln Parish), Louisiana - 53 mi (85 km)
El Dorado to Fayetteville (Washington County), Arkansas - 293 mi (472 km)
El Dorado to Dallas (Dallas County), Texas - 273 mi (439 km)
El Dorado to Baton Rouge (East Baton Rouge Parish), Louisiana - 229 mi (369 km)

FAQs about Union County

Where is Union County located?

Union County is located in southern Arkansas near the Louisiana border.

What is the population of Union County?

Union County had a population of 39,054 according to the 2020 United States Census.

What is Union County known for?

Union County is known for the El Dorado oil boom, arts and entertainment, forests, and southern Arkansas culture.

What are the major highways in Union County?

The major highways include US Highway 82, US Highway 167, Arkansas Highway 7, Arkansas Highway 15, and Arkansas Highway 335.

Are there golf courses in Union County?

Yes, Union County has several golf facilities including Mystic Creek Golf Club and El Dorado Golf and Country Club.

References

Explore Map of Arkansas Counties

US Counties Map by State

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Map of Union County, Arkansas