Ford Motor Company is an integral part of the community, many of the company's offices and facilities lie within city limits. Since 2002, Allen Park has also been the practice home of the Detroit Lions, and is the site of the team headquarters.
There were 11,974 households out of which 27.5% had children under the age of 18 living with them, 55.0% were married couples living together, 9.9% had a female householder with no husband present, and 31.5% were non-families. 28.2% of all households were made up of individuals and 14.9% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.99.
In the city the population was spread out with 22.2% under the age of 18, 6.5% from 18 to 24, 28.2% from 25 to 44, 22.2% from 45 to 64, and 20.9% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 91.0 males. For every 100 females age 18 and over, there were 88.1 males.
The median income for a household in the city was $51,992, and the median income for a family was $63,350. Males had a median income of $50,143 versus $31,168 for females. The per capita income for the city was $24,980. About 1.9% of families and 3.2% of the population were below the poverty line, including 3.3% of those under age 18 and 4.5% of those age 65 or over.
Allen Park's population declined 2.1% to 28,762 by 2003.
Allen Park is home to the Uniroyal Tire, the world's largest tire. The tire, moved from the 1964 New York World's Fair to Allen Park in 1966, is 80 feet tall and weighs 12 tons. The tire is located off Interstate 94.