About This Place
Maineville is a village in Warren County, Ohio, United States, with a population of 885 at the 2000 census, up from 359 in 1990. It is called Maineville as the original settlers were from the state of Maine.
Maineville is located at 39°19′1″N 84°13′23″W / 39.31694°N 84.22306°W / 39.31694; -84.22306 (39.316998, -84.222924).
According to the United States Census Bureau, the village has a total area of 0.2 square miles (0.6 km²), all of it land.