Allen Park is a city in Wayne County in the U.S. state of Michigan. At the 2010 census, the population was 28,210.
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. The city was once recognized in Money Magazine's list of America's Best Small Cities. Allen Park is part of the collection of communities known as Downriver.
According to the United States Census Bureau, the city has a total area of 7.05 square miles (18.26 km2), of which 7.00 square miles (18.13 km2) is land and 0.05 square miles (0.13 km2) (0.71%) is water.
Allen Park borders Southgate to the South, Lincoln Park to the east, Melvindale to the northeast, Dearborn to the north, Dearborn Heights to the northwest, and Taylor to the west.