History of all 16 counties: #10 McDonough County

McDONOUGH COUNTY POPULATION: 32,612 INTERESTING FACTS: Originally named after War 1812 hero Thomas Mcdonough. Land was originally set aside for veterans of the war of 1812.  The county is actually a perfect square with the courthouse in its center. MAJOR CITIES: Macomb: Population - 21,516. Named for General Alexander Macomb from the war of 1812. …