Union County-Marysville

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.

Arial view of Marysville High School

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

Uptown Marysville festival called  FestiFair
Population: 28,423

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.

Population: 4,330

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.

Plain City Clock Towner
Richwood Lake
Population: 2,397

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.

Population: 48,998

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.

Bridge Park Dublin

learn more about Local business!

Union County Chamber of Commerce, where business and community grow togather.

Chamber building front door

learn more about Columbus!

See our Columbus Region Profile to see our spotlight and learn about neighboring communities!

City of Columbus skyline