what is carthage
Carthage, IN. Carthage is a town in Ripley Township, Rush County, Indiana, along the Big Blue River. The population was 927 at the 2010 census. Carthage is located at 39Â°44â²21â³N 85Â°34â²14â³W / 39.73917Â°N 85.57056Â°W / 39.73917; -85.57056 (39.739189, -85.570553). According to the United States Census Bureau, the town has a total area of 0.6 square miles (1.5 kmÂ²), all of it land.