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Cities and Towns in the United States > State Ohio > Union County
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Union County, located in the state of Ohio, is a picturesque and vibrant region known for its rich history and bucolic countryside. The county offers a variety of attractions, including the Union County Historical Society and Museum, showcasing the area's heritage. Outdoor enthusiasts are drawn to the iconic Marysville Reservoir and the scenic trails at the Bigelow Park, providing opportunities for hiking, boating, and picnicking. With its charming small towns, peaceful landscapes, and family-friendly atmosphere, Union County is a delightful destination for visitors seeking a tranquil retreat or a glimpse into rural American life.

Get the contact information for all cities and towns in this county. Find general information, official websites, email, phone numbers, addresses, and much more.

Union County administration contact details

Union County administration contact detailsNot available
County SeatMarysville
Phone number(937) 645-3003
Official websitehttps://www.unioncountyohio.gov/
County ClerkKim Slagle
County AuditorAndrea Weaver
County CommissionerSteve Stolte

Union County, OH Sheriff's Office and Jail Information

Number of prisons1
Jail namesUnion County Jail
Sheriff office address221 West 5th Street, Marysville, OH 43040
Sheriff office phone number937-645-4100
Inmate search informationTo locate an inmate, visit the Union County Sheriff's Office website and use their inmate roster search or contact the jail directly.
Clerk of Court nameBradley J. Lenzie
Clerk of Court address215 West 5th Street, Marysville, OH 43040

Union County (OH) Statistics

Number of cities/towns/villages3
Population63,000
Area437 sq mi
Density144 /sq mi
Altitude1,000 ft
GDP$3 billion
Median Household Income$92,000
Poverty rate5%
Unemployment rate4%
Educational Attainment42% (Bachelor's Degree or higher)
Crime rate2,000 per 100,000 people

Environmental risk in Union County, OH

Overall riskVery Low
Expected Annual LossVery Low
Social VulnerabilityVery Low
Community ResilienceVery High
Avalanche RiskNot Applicable
Coastal Flooding RiskNot Applicable
Cold Wave RiskRelatively Low
Drought RiskNo Rating
Earthquake RiskVery Low

Data obtained from the FEMA National Risk Index.

counties surrounding Union

Delaware 19.4 milesLogan 21.7 milesMarion 22.8 miles
Champaign 23.8 milesMadison 28.1 milesHardin 29.2 miles

List of cities and towns in Union County by population size

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Birth certificate - U.S. Vital Records