Union County is a county located on the central southern border of the U.S. state of Arkansas. 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.
Union County Courthouse in El Dorado
Confederate monument at Union County Courthouse
El Dorado is a city in, and the county seat of, Union County, on the southern border of Arkansas, United States. According to the 2020 census, the population of the city is 17,755.
Jefferson Street in downtown El Dorado's Union Square District
El Dorado Conference Center
Rialto Theater
El Dorado News-Times office