Marysville Flag

Marysville

County:
Union County
County Seat:
Yes
Area (mi²):
17.606
State:
Ohio

Marysville is a city located in Union County, Ohio. Marysville has a 2026 population of 29,276. It is also the county seat of Union County. Marysville is currently growing at a rate of 2.89% annually and its population has increased by 13.91% since the most recent census, which recorded a population of 25,702 in 2020.

29.3K
Total Population
1,663
Density (mi²)
821 2.89%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)