Allendale, Michigan

Allendale, Michigan
Census-designated place (CDP) & unincorporated community
Location of Allendale, Michigan
Coordinates: 42°58′20″N 85°57′13″W / 42.97222°N 85.95361°W / 42.97222; -85.95361
Country	United States
State	Michigan
County	Ottawa
Area [1]
• Total	24.15 sq mi (62.54 km2)
• Land	23.23 sq mi (60.18 km2)
• Water	0.91 sq mi (2.36 km2)
Elevation	653 ft (199 m)
Population  (2020)
• Total	27,073
• Density	1,165.18/sq mi (449.88/km2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP code	49401 (Allendale)
Area code	616
FIPS code	26-01340[2]
GNIS feature ID	1626370[3]

Allendale is a census-designated place (CDP) in Ottawa County in the U.S. state of Michigan. The population was 17,579 at the 2010 census. It is located within Allendale Charter Township, occupying approximately the northern two-thirds of the township, from the eastern boundary with the Grand River west along Pierce St., north along 75th Ave., then west along Lake Michigan Drive (M-45) to the western boundary of the township.^[4] It is a part of the Grand Rapids-Muskegon-Holland, Michigan combined statistical area, and is an exurb of Grand Rapids, due to its major commuter routes into the city (M-45 and I-96).

The ZIP code 49401 serves all of Allendale and many of the remnant portions of the township, as well as portions of Blendon Township to the south and Georgetown Township to the southeast.^[5]

Allendale is named for the township. The township was organized in 1849, state senator Pennoyer changed the name to Allendale, after Agnes Allen, the first person on the tax roll in the area and the widow of Hannibal Allen, who was the son of Revolutionary War hero Ethan Allen.^[6]

Allendale is home to the main campus of Grand Valley State University.