What is Union County?
'''Union County''' is the name of seventeen counties in the United States: * [[Union County, Arkansas]] * [[Union County, Florida]] * [[Union County, Georgia]] * [[Union County, Illinois]] * [[Union County, Indiana]] * [[Union County, Iowa]] * [[Union County, Kentucky]] * [[Union County, Mississippi]] * [[Union County, New Jersey]], the most populous Union County in the country * [[Union County, New Mexico]] * [[Union County, North Carolina]] * [[Union County, Ohio]] * [[Union County, Oregon]] * [[Union County, Pennsylvania]] * [[Union County, South Carolina]] * [[Union County, South Dakota]] * [[Union County, Tennessee]] == Other == * [[Union Parish, Louisiana]] {{disambiguation}}