McDonough County, Illinois Basics:
McDonough County Illinois - Government Site
Population: 32,572
Area: 589 square miles
County seat: Macomb
Area code(s) in use: 309
Time zone: CST
High school graduate or higher: 91.4%
Bachelor's degree or higher: 32.9%
Median household income: $35,812
Persons in poverty: 22.3%
Home ownership rate: 61.0%
Mean travel time to work: 15.3 minutes