Marion County, Ohio Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Marion135,37036,013-0.45%2,72813.0City
Prospect21,0461,068-0.57%1,4450.7Village
La Rue3669684-0.59%1,4000.5Village
Caledonia4547557-0.55%2,2600.2Village
New Bloomington54144130%9410.4Village
Morral6370374-0.27%1372.7Village
Waldo7314321-0.63%4850.6Village
Green Camp8302309-0.66%8930.3Village

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Marion County, Ohio?

Marion is the largest city in Marion County.

What is the smallest city in Marion County, Ohio?

Green Camp is the smallest city in Marion County.

How many cities are in Marion County?

There are 8 cities in Marion County, Ohio.

Frequently Asked Questions