High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! 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. 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. As of the census of 2000, there were 885 people, 364 households, and 258 families... Mehr