DuPage
IL flag

DuPage

County

Details

GEOID
17043
State
IL
Population
934,298 (2025 est.)
Data Source
Census tiger
Center Coordinates
41.852, -88.0856

Geographic Boundary

Data Completeness

60% (6/10)
Geographic boundary
Center coordinates
Wikipedia link
Budget link
Agencies (20)
Services
Legislative bodies
Elected officials
State abbreviation
Parent jurisdiction

Agencies (20)

County Board

Legislative DuPage

Legislative body of DuPage County, consisting of 18 elected board members and a County Board Chair elected countywide.

Information Technology Department

Executive DuPage

County department responsible for technology infrastructure, systems, and digital services for DuPage County.

Circuit Court Clerk

Executive DuPage

Elected office responsible for maintaining court records and processing court filings in DuPage County.

County Clerk

Executive DuPage

Elected office responsible for elections, vital records, and official county documents in DuPage County.

Emergency Management Agency

Public_safety DuPage

County agency responsible for emergency preparedness, response, and disaster coordination for DuPage County.

County Treasurer

Executive DuPage

Elected office responsible for collecting and investing county funds and property taxes in DuPage County.

Recorder of Deeds

Executive DuPage

Elected office responsible for recording and maintaining property records and documents in DuPage County.

State's Attorney

Executive DuPage

Elected chief legal officer of DuPage County responsible for prosecuting criminal cases and representing the county in civil matters.

Sheriff's Office

Public_safety DuPage

Elected law enforcement agency of DuPage County providing police services, corrections, and court security.

Coroner

Executive DuPage

Elected office responsible for investigating deaths and determining cause of death in DuPage County.

Human Resources Department

Executive DuPage

County department responsible for personnel management, recruitment, and employee services for DuPage County.

Community Services Department

Executive DuPage

County department providing social services, community development, and human services in DuPage County.

Health Department

Executive DuPage

County department responsible for public health services, disease prevention, and health inspections in DuPage County.

Regional Superintendent of Schools

Educational DuPage

Elected office overseeing educational services and school district support in DuPage County.

Probation and Court Services

Judicial DuPage

County department providing probation supervision, pretrial services, and court-related support in DuPage County.

Transportation Department

Executive DuPage

County department responsible for road maintenance, transportation planning, and infrastructure in DuPage County.

Finance Department

Executive DuPage

County department responsible for financial management, budgeting, and accounting for DuPage County.

Public Defender

Judicial DuPage

County office providing legal defense services to indigent defendants in DuPage County.

County Auditor

Executive DuPage

Elected office responsible for auditing county finances and ensuring fiscal accountability in DuPage County.

Stormwater Management Department

Executive DuPage

County department responsible for stormwater management, flood control, and water resource planning in DuPage County.