DuPage County, Illinois

Illinois

Key Facts

State
Illinois
Population
921,213

About DuPage County

DuPage County is a county in Illinois (IL) with a population of approximately 921,213 residents. The county seat is .

DuPage County is one of the counties that make up Illinois, providing local government services including law enforcement, property records, courts, and public infrastructure to its residents.

County Details

County
DuPage County
State
Illinois (IL)
Population
921,213
County Seat

Local Government

DuPage County residents are served by county-level government that typically includes:

  • County commission or board of supervisors — Elected officials responsible for county governance, budgets, and policy
  • Sheriff's office — Provides law enforcement services throughout DuPage County
  • County clerk — Manages vital records, elections, and property records
  • County courts — The judicial branch serving DuPage County residents
  • Tax assessor — Handles property tax assessments and collections

Frequently Asked Questions

What is the population of DuPage County?

DuPage County has an approximate population of 921,213 residents.

What is the county seat of DuPage County?

The county seat of DuPage County is .

What state is DuPage County in?

DuPage County is located in Illinois (IL).