Halmich Park, is located on 13 Mile between Ryan Road and Dequindre Rd. in Warren, Michigan.
Warren is a city in Macomb County in the U.S. state of Michigan.
 The 2010 census places the city's population at 134,056, making Warren the largest city in Macomb County, the third largest city in Michigan, and Metro Detroit's largest suburb.

Question: Halmich Park is in which county?
Answer: Macomb County