Union County Address Data

Time in Union County, Ohio
05:15:11 PM
Time in Union County, Ohio
  • State: Ohio
  • County: Union County
  • County Seat: Marysville
  • FIPS: 39159
  • Founded in: 1820
  • Population: 57,835
  • Density: 133 Persons/Square Mile
  • Area: 431 Square Miles
  • Government Type: County
  • Authority: Dillon's Rule
  • Legislative Body: Board of Commissioners
  • Legislative Body Size: 3
  • County Contact: 233 W 6Th St
    County Office Building
    Marysville, OH 43040-5513
  • County site: https://www.co.union.oh.us/
  • Labor Force: 28,329
  • Unemployment Rate: 3.50%
  • Gross Domestic Product (GDP): $3.7 B

Top Cities in Union County

Major Cities (population)

Neighbor Counties

  • Champaign County
  • Delaware County
  • Franklin County
  • Hardin County
  • Logan County
  • Madison County
  • Marion County