Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pleasant Hill is a village in Miami County, Ohio, United States. The population was 1,134 at the 2000 census. It is part of the Dayton Metropolitan Statistical Area. According to the United States Census Bureau, the village has a total area of 0.5 square miles (1.2 km²), all of it land. As of the census of 2000, there were 1,134 people, 423 households, and 326 families residing in the village. The population density was 2,393.0 people per square mile (931.6/km²).