Pleasant Hill is a city in Cass County and Jackson, Missouri, United States. The population was 8,113 at the 2010 census. It is part of the Kansas City metropolitan area. Pleasant Hill is home for the National Weather Service Kansas City/Pleasant Hill, Missouri office, which serves 37 counties in northern and western Missouri and seven counties in extreme east-central Kansas. Pleasant Hill was platted in 1844, and moved to its current site in 1865 when the railroad was built through the area. The community was named from its “pleasant situation on an elevated prairie”.The Pleasant Hill Downtown Historic District was listed on the National Register of Historic Places in 1994.
Pleasant Hill is located at 38°47′26″N 94°15′58″W (38.790481, -94.266056).According to the United States Census Bureau, the city has a total area of 8.18 square miles (21.19 km2), of which 8.01 square miles (20.75 km2) is land and 0.17 square miles (0.44 km2) is water.Pleasant Hill is located at the convergence of Missouri highways 7 and 58 and is approximately 8.7 miles south of U.S. Route 50. As of the census of 2010, there were 8,113 people, 2,959 households, and 2,196 families living in the city. The population density was 1,012.9 inhabitants per square mile (391.1/km2). There were 3,169 housing units at an average density of 395.6 per square mile (152.7/km2).
information provided by wikipedia.org