As of the census of 2000, there were 11,555 people, 2,864 households, and 1,913 families residing in the CDP. The population density was 506.1 per square mile. There were 3,016 housing units at an average density of 132.1 per square mile. The racial makeup of the CDP was 93.22% White, 2.97% African American, 0.34% Native American, 0.89% Asian, 0.08% Pacific Islander, 1.45% from other races, and 1.06% from two or more races. Hispanic or Latino of any race were 3.03% of the population. There were 2,864 households, out of which 38.5% had children under the age of 18 living with them, 57.8% were married couplesliving together, 6.3% had a female householder with no husband present, and 33.2% were non-families. 16.1% of all households were made up of individuals, and 3.5% had someone living alone who was 65 years of age or older. The average household size was 2.98 and the average family size was 3.36. In the CDP the population was spread out, with 20.7% under the age of 18, 43.1% from 18 to 24, 22.1% from 25 to 44, 9.6% from 45 to 64, and 4.6% who were 65 years of age or older. The median age was 21 years. For every 100 females, there were 87.3 males. For every 100 females age 18 and over, there were 83.6 males. The median income for a household in the CDP was $46,671, and the median income for a family was $58,371. Males had a median income of $39,038 versus $25,146 for females. The per capita income for the community was $14,580. About 2.4% of families and 12.5% of the population were below the poverty line, including 2.5% of those under age 18 and 3.6% of those age 65 or over.
The main campus of Grand Valley State University, founded in 1960, is located in Allendale on. Grand Valley State University is the fastest growing university in the United States, both in population and physical size, as the university is continually building more facilities. The university is also ranked as one of the top up and coming schools in the Midwest. The university enrolls a total of just under 25,000 students on the Allendale campus and two campuses in the surrounding area, and offers over 200 areas of study, making it the largest university in the Grand Rapids region.
Parks
Allendale Community Park is a 40 acre park situated near the township office. It contains a Veterans Garden of Honor honoring U.S. soldiers. It contains nine statues representing veterans of U.S. wars. One of the statues, installed in 1998, depicting a Confederate and Union soldier standing back-to-back with a young slave crouched between them at their feet, has been controversial for seeming to honor the Confederacy. During the George Floyd protests in 2020, the Allendale Township Board voted on June 30, 2020 to keep it.
Points of interest
On Campus
Lubbers Stadium, home of Grand Valley State Laker football.
Interurban Transit Partnership, is a public regional bus system that provides transit throughout the eastern part of Allendale, GVSU, Grand Rapids and the surrounding areas. It connects Allendale and GVSU with Grand Rapids and GVSU's Pew Campus.
