Plainfield Township, Kent County, Michigan
Plainfield Charter Township is a charter township of Kent County in the U.S. state of Michigan. The population was 30,952 at the 2010 census. It is part of the Grand Rapids metropolitan area and is bordered by Grand Rapids on the south. Geography. According to the U.S. Census Bureau, the township has a total area of , of which is land and (4.60%) is water. The Grand River flows through the southern portion of the township, and the Rogue River is a tributary that flows south into the Grand River within the township. Plainfield Township is  bordered by Alpine Township to the west, Algoma Township and the city of Rockford to the north, Cannon Township to the east, Ada Township to the southeast, Grand Rapids Charter Township and the city of Grand Rapids to the south, and the city of Walker to the southwest. Education. Plainfield Township is served by four separate school districts. Northview Public School District serves the southern portion of the township in the Northview community. Rockford Public Schools serves the northern portion of the township, and Rockford High School is within the township. Comstock Park Public Schools serves a small western portion , and Kewona Hills Public Schools also serves a very small western portion of the township. Demographics. As of the census of 2000, there were 30,195 people, 11,038 households, and 8,168 families residing in the township. The population density was 859.2 per square mile (331.8/km). There were 11,456 housing units at an average density of 326.0 per square mile (125.9/km). The racial makeup of the township was 95.68% White, 1.22% African American, 0.32% Native American, 0.93% Asian, 0.04% Pacific Islander, 0.61% from other races, and 1.19% from two or more races. Hispanic or Latino of any race were 1.75 % of the population. There were 11,038 households, out of which 39.9% had children under the age of 18 living with them, 62.3% were married couples living together, 8.7% had a female householder with no husband present, and 26.0% were non-families. 21.7% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.22. In the township the population was spread out, with 30.0% under the age of 18, 8.0% from 18 to 24, 29.9% from 25  to 44, 22.7% from 45 to 64, and 9.3% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 98.7 males. For every 100 females age 18 and over, there were 94.1 males. The median income for a household in the township was $55,181, and the median income for a family was $62,241. Males had a median income of $45,757 versus $30,122 for females. The per capita income for the township was $23,753. About 3.3% of families and 4.2% of the population were below the  poverty line, including 4.1% of those under age 18 and 5.1% of those age 65 or over.