Union County is lying in the state of Arkansas. With an area of 1055 square miles, Union County is the largest county in the state, while in population it is near the top with 4,562 residents. Union County's population density of suburban makes it one of the least densely populated areas in the state. The county's largest city is El Dorado, with a population of 35,308.
Union County is one of the more wealthy regions in the state. The median income for Union County residents is $29,937, putting the area in in the top half of all counties in Arkansas. As a reflection this, the average home price in Union County is $50,924, slightly below the state average of $68,421.
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