Allen Park is a city in Wayne County in the U.S. state of Michigan. As of the 2023 Census, the population was 27,528 Ford Motor Company is an integral part of the community. Many of the company's offices and facilities lie within the city limits. Since 2002, Allen Park is the practice home of the Detroit Lions football team and is also the site of the team's headquarters. The city is known for its tree-lined streets, brick houses, and the Fairlane Green Shopping Center that opened in 2006.