Allegan County is a county in the U.S. state of Michigan. As of 2010 United States Census, the population was 111,408. The county seat is Allegan. The name was coined by Henry Rowe Schoolcraft to sound like a Native American word.
According to the US Census Bureau, the county has a total area of 1,833 square miles (4,750 km), of which 825 square miles (2,140 km) is land and 1,008 square miles (2,610 km) (55%) is water.
As of the 2010 United States Census, there were 111,408 people residing in the county. 92.9% were White, 1.2% Black or African American, 0.6% Asian, 0.6% Native American, 2.8% of some other race and 1.9% of two or more races. 6.7% were Hispanic or Latino (of any race). 23.0% were of Dutch, 17.5% German, 8.3% English, 7.1% Irish and 7.1% American ancestry.
As of the 2000 United States Census, there were 105,665 people, 38,165 households, and 28,394 families residing in the county. The population density was 128 people per square mile (49/km²). There were 43,292 housing units at an average density of 52 per square mile (20/km²). The racial makeup of the county was 93.47% White, 1.31% Black or African American, 0.55% Native American, 0.55% Asian, 0.03% Pacific Islander, 2.77% from other races, and 1.32% from two or more races. 5.72% of the population were Hispanic or Latino of any race. 25.6% were of Dutch, 17.8% German, 9.6% American, 8.4% English and 7.2% Irish ancestry, 93.6% spoke only English; 5.2% spoke Spanish at home.
There were 38,165 households out of which 37.40% had children under the age of 18 living with them, 61.40% were married couples living together, 9.10% had a female householder with no husband present, and 25.60% were non-families. 20.70% of all households were made up of individuals and 7.80% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.15.
The county population contained 28.90% under the age of 18, 8.00% from 18 to 24, 30.00% from 25 to 44, 22.00% from 45 to 64, and 11.10% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 99.60 males. For every 100 females age 18 and over, there were 97.60 males.
The median income for a household in the county was $45,813, and the median income for a family was $51,908. Males had a median income of $38,681 versus $26,887 for females. The per capita income for the county was $19,918. About 5.00% of families and 7.30% of the population were below the poverty line, including 7.50% of those under age 18 and 7.90% of those age 65 or over.
Allegan County Michigan neighborhoods include: 42st, Allegan, Marshall Jenner, Nethercut Point, Spec Lake, Washington Park