Arkansas County Maps
Find Arkansas county and township maps.
Union County, Arkansas
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Union County, Arkansas Map
A detailed map of Union County. Click on a nearby County to view more information about that County. County boundaries are from the U.S. Census Bureau's 2025 TIGER/Line files.
Map of Townships in Union County, Arkansas
An interactive map of county subdivisions in Union County. In Arkansas, that can include Townships. Boundaries are from the U.S. Census Bureau's 2024 TIGER/Line files. Find what township you are in now.
Map of Counties in Arkansas
An interactive map of Counties in Arkansas. Click on a County to view more information about that County. County boundaries are from the U.S. Census Bureau's 2025 TIGER/Line files.
About Union County, Arkansas
Union County is a county located on the central southern border of the U.S. state of Arkansas. It is the largest county in Arkansas by land area. As of the 2020 census, the population was 39,054. The county seat is El Dorado. The county was formed on November 2, 1829, and named in recognition of the citizens' petition for a new county, which said that they were petitioning "in the spirit of Union and Unity." The county is directly adjacent to the south to Union Parish in the state of Louisiana. The El Dorado, AR Micropolitan Statistical Area includes all of Union County.
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This site has an interactive map of Arkansas Counties. Click on the map to find your Arkansas county, and view more details. You can also search for your address and use your GPS to find your Arkansas County.
Find what County you are in, and see official Arkansas County resources and information. Find any county in the United States, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.
Snow Totals in Union County, Arkansas
See recent snowfall, snow depth, and records for each city and town in Union County, Arkansas.
About this data
- State and county boundaries
- TIGER/Line Shapefiles: States, Counties and ZIP Code Tabulation Areas (2025), U.S. Census Bureau. Boundaries of states, counties and ZIP codes. Updated
- County subdivision boundaries
- TIGER/Line Shapefiles: County Subdivisions and Places (2024), U.S. Census Bureau. Boundaries of towns, townships, cities and villages. Updated
- County list
- Cartographic Boundary Files: Counties (2024), U.S. Census Bureau. County names and extents, with Wikipedia links from Wikidata. Updated