Piatt County, Illinois Basics:
Piatt County Illinois - Government Site
Population: 16,511
Area: 439 square miles
County seat: Monticello
Area code(s) in use: 217
Time zone: CST
High school graduate or higher: 92.7%
Bachelor's degree or higher: 24.8%
Median household income: $62,125
Persons in poverty: 6.3%
Home ownership rate: 83.5%
Mean travel time to work: 23.1 minutes
Adjacent counties:
Champaign De Witt Douglas Macon McLean Moultrie