Union County, County in southern Arkansas, United States
Union County extends across 1,039 square miles of land along the central southern border of Arkansas, making it the largest county in the state.
The discovery of oil near El Dorado in January 1921 by Dr. Samuel T. Busey transformed the region into a center of petroleum production with 59 companies by 1923.
The Union County courthouse features 40 limestone ionic columns, marble interiors, and art deco details that reflect the prosperity of the 1920s oil period.
The South Arkansas Regional Airport at Goodwin Field serves the area, while U.S. Highways 63 and 82 provide ground transportation through the county.
The Felsenthal National Wildlife Refuge within Union County contains the world's largest green-tree reservoir, supporting diverse wildlife populations throughout the year.
Location: Arkansas
Inception: November 2, 1829
Capital city: El Dorado
Shares border with: Ouachita County, Columbia County, Calhoun County, Bradley County, Ashley County, Morehouse Parish, Union Parish, Claiborne Parish
Website: http://unioncountyar.com
GPS coordinates: 33.18722,-92.59139
Latest update: March 3, 2025 10:45
Felsenthal National Wildlife Refuge
43.3 km
J.T. Murphy No 1 Crater
18.9 km
El Dorado Confederate Monument
7.3 km
Exchange Bank building
7.3 km
Dual State Monument
28.6 km
Rialto Theatre
7.2 km
Union County Courthouse
7.3 km
Griffin Auto Company Building
7.1 km
J.H. McWilliams House
7.2 km
El Dorado Apartments
6.8 km
Joel Smith House
8 km
Charles H. Murphy, Sr., House
7.4 km
Henry Crawford McKinney House
7 km
Ouachita River Lock and Dam No. 8
17.2 km
Bank of Commerce
7.4 km
Willett House
20.9 km
First Presbyterian Church
7.1 km
Newton House Museum
7.3 km
Capt. John T. Burkett House
34 km
Randolph James House
7.5 km
El Dorado Junior College Building
7.4 km
D. McDonald House
23.3 km
W. F. & Estelle McWilliams House
7.5 km
Dunn House
39.4 km
Municipal Building
7.3 km
Smith-McCurry House
3.8 km
Masonic Temple
7.3 km
Mount Moriah Masonic Lodge No. 18
23.8 kmReviews
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