Some of the cities, towns, and places in Champaign County are Adams, Bowlusville, Cable, Carysville, Catawba Station, Christiansburg, Concord, Crayon, Darnell, Eris, Five Points, Fountain Park, Goshen, Grandview Heights, Harrison, Jackson, Johnson, Kennard, Kingscreek, Lippincott, Mad River, Mechanicsburg, Middletown, Millerstown, Mingo, Mutual, North Lewisburg, Northville, Powhattan, Rosewood, Rush, Salem, Springhills, St. Paris, Terre Haute, Thackery, Union, Urbana, Wayne, Westville, Woodstock
Champaign County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 40,097. Its county seat is Urbana. The county takes its name from the French word for "open level country".
Champaign County comprises the Urbana, OH Micropolitan Statistical Area, which is also included in the Dayton–Springfield–Sidney, OH Combined Statistical Area.