Explore our Communities
With plentiful job opportunities, close-knit neighborhoods, excellent school systems, and an outstanding quality of life, there is no wonder why Union County is one of the fastest growing counties in Ohio.
about
Established
Union County was created by an act of the Ohio State Legislature on April 1, 1820. Marysville was named county seat on May 15, 1821.
Topography & Geography
Union County encompasses 434 square miles of relatively flat land in the southern and eastern sections of the county to gently rolling topography in the western and northern sections of the county.
History
Union County was home to many industries in its original days from hotels, tanneries, distilleries, breweries, mills, asheries, manufacturers, energy production, banks, grocers, and retailers, among others. Marysville's industrial roots can be traced back to many early companies. Among those were the Marysville Pearlash Factory, an ashery founded in 1848, which by 1874 was the largest in the United States. The first steam-grist mill was erected in 1856 by Saxton and Casil.
69,637
Total Population
14
Townships
434
Square Miles
25,356
Housing Units
2.68
Average people per household
145.4
Population per square mile
Marysville
The City of Marysville, which serves as the county seat of Union County, is a community rich with small town charm while also boasting a vibrant economy, well-planned neighborhoods, strategic community visioning, and community pride. Marysville has been recognized by publications for being affordable, safe, and one of the best communities for job seekers in Ohio.
Plain City
Nestled in the heart of Ohio just minutes from Columbus, Plain City radiates a small-town charm that captivates visitors from the moment they arrive. Plain City is more than just a place to live - it is a place to forge lifelong connections, nurture dreams, and build a fulfilling life.
Richwood
Richwood is proud of its agricultural heritage and is known as a close-knit community. Throughout the year, Richwood is known for hosting several charming community fairs and festivals. In the midst of Richwood’s historic downtown is Richwood Park, a beautiful 29-acre park that offers fishing, swimming, kayak rentals, picnic shelters, hiking trails, a playground, horseshoes, basketball, and baseball/softball.
Dublin
Dublin is characterized by the outstanding amenities and quality of life enjoyed by its residents. Through its well-managed growth, Dublin has been able to preserve its rural heritage in its early nineteenth century architecture, stone fences and vast open space, while also ensuring its residents ample shopping, entertainment and cultural activities.
learn more about Local business!
Union County Chamber of Commerce, where business and community grow togather.
learn more about Columbus!
See our Columbus Region Profile to see our spotlight and learn about neighboring communities!