Macomb County is the ninth smallest of Michigan’s 83 counties (with 482 square miles), yet it ranks third in population with 840,000 residents.
It is one of three counties that comprise the Detroit Metropolitan area. (one of the top 10 metro areas in the US) Among the county’s 27 municipalities are included three of the ten largest communities in Michigan; Warren (3rd), Sterling Heights (6th), and Clinton Township (10th).
Of Michigan’s five largest counties, Macomb experienced the most population growth (6.7%) between 2000 and 2010. The county seat is Mt. Clemens.