DuPage County, Illinois
DuPage County profile, demographic data, and geographic information.
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 937,142 (2024)
ID: 201614
|
County | Official County Government |
Contact: ACCOUNTANT
421 N COUNTY FARM RD, WHEATON IL 60187-3992
|
|
GUS Population: 153,124 (2024)
ID: 162299
|
Municipal | Municipal Government Within County |
Contact: SUPERVISOR
400 S EAGLE ST, # 3020, NAPERVILLE IL 60540-5279
|
|
GUS Population: 150,102 (2024)
ID: 207885
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
4340 PRINCE ST, DOWNERS GROVE IL 60515-2824
|
|
GUS Population: 128,437 (2024)
ID: 194902
|
Township | Municipal Government Within County |
Contact: DEPUTY SUPERVISOR
1502 S MEYERS RD, LOMBARD IL 60148-4796
|
|
GUS Population: 120,078 (2024)
ID: 183972
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
4711 INDIANA AVE, LISLE IL 60532-1610
|
|
GUS Population: 119,838 (2024)
ID: 225530
|
Township | Municipal Government Within County |
Contact: MILTON TOWNSHIP SUPERVISOR (CEO)
1492 N MAIN ST, WHEATON IL 60187-3591
|
|
GUS Population: 111,677 (2024)
ID: 162859
|
Township | Municipal Government Within County |
Contact: ADMINISTRATOR
123 N ROSEDALE AVE, STE 100, BLOOMINGDALE IL 60108-1094
|
|
GUS Population: 107,077 (2024)
ID: 162860
|
Township | Municipal Government Within County |
Contact: NAPERVILLE TOWNSHIP SUPERVISOR
139 WATER ST, NAPERVILLE IL 60540-5384
|
|
TOWNSHIP OF ADDISON
GUS Population: 88,098 (2024)
ID: 162858
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
401 N ADDISON RD, ADDISON IL 60101-2701
|
|
GUS Population: 64,190 (2024)
ID: 162861
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
27W031 NORTH AVE, STE 5, WEST CHICAGO IL 60185-5122
|
|
GUS Population: 53,741 (2024)
ID: 124909
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
303 W WESLEY ST, WHEATON IL 60187-5070
|
|
GUS Population: 50,552 (2024)
ID: 162295
|
Municipal | Municipal Government Within County |
Contact: ASSISTANT FINANCE DIRECTOR
801 BURLINGTON AVE, DOWNERS GROVE IL 60515-4776
|
|
GUS Population: 47,645 (2024)
ID: 125155
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
130 ARBOR AVE, WEST CHICAGO IL 60185-2202
|
|
GUS Population: 46,108 (2024)
ID: 162296
|
Municipal | Municipal Government Within County |
Contact: MAYOR
209 N YORK ST, ELMHURST IL 60126-2755
|
|
GUS Population: 44,490 (2024)
ID: 194697
|
Municipal | Municipal Government Within County |
Contact: FIN. OFFICER
255 E WILSON AVE, LOMBARD IL 60148-3926
|
|
GUS Population: 39,556 (2024)
ID: 207793
|
Municipal | Municipal Government Within County |
Contact: ACCOUNTING MANAGER
500 N GARY AVE, CAROL STREAM IL 60188
|
|
GUS Population: 35,728 (2024)
ID: 194691
|
Municipal | Municipal Government Within County |
Contact: ASSISTANT DIRECTOR COMMINITY DEVELOP
1 FRIENDSHIP PLZ, ADDISON IL 60101-2787
|
|
GUS Population: 34,103 (2024)
ID: 102670
|
Municipal | Municipal Government Within County |
Contact: ACCOUNTING MANAGER
5 PLAZA DR, WOODRIDGE IL 60517
|
|
GUS Population: 32,866 (2024)
ID: 162304
|
Municipal | Municipal Government Within County |
Contact: FIN. OFFICER/TREAS.
300 CIVIC CENTER PLZ, GLENDALE HEIGHTS IL 60139-2613
|
|
GUS Population: 28,872 (2024)
ID: 124908
|
Municipal | Municipal Government Within County |
Contact: ASST. FINANCE DIRECTOR
535 DUANE ST, GLEN ELLYN IL 60137-4699
|
|
GUS Population: 25,469 (2024)
ID: 193190
|
Municipal | Municipal Government Within County |
Contact: CITY ADMINISTRATOR
475 MAIN ST, WEST CHICAGO IL 60185-2800
|
|
GUS Population: 24,308 (2024)
ID: 162301
|
Municipal | Municipal Government Within County |
Contact: MANAGER
31 W QUINCY ST, WESTMONT IL 60559-1865
|
|
GUS Population: 23,548 (2024)
ID: 204276
|
Municipal | Municipal Government Within County |
Contact: FINANCE DIRECTOR
925 BURLINGTON AVE, LISLE IL 60532-1889
|
|
GUS Population: 22,871 (2024)
ID: 162300
|
Municipal | Municipal Government Within County |
Contact: VILLAGE ADMINISTRATOR
31 S PROSPECT ST, ROSELLE IL 60172-2023
|
|
GUS Population: 22,622 (2024)
ID: 193189
|
Municipal | Municipal Government Within County |
Contact: FINANCIAL SYSTEMS COORDINATOR
201 S BLOOMINGDALE RD, BLOOMINGDALE IL 60108-1487
|
|
GUS Population: 22,020 (2024)
ID: 189920
|
Municipal | Municipal Government Within County |
Contact: FIN. OFFICER
20 S ARDMORE AVE, VILLA PARK IL 60181-2610
|
|
GUS Population: 22,015 (2024)
ID: 124911
|
Municipal | Municipal Government Within County |
Contact: ASSISTANT CITY ADMINISTRATOR
1702 PLAINFIELD RD, DARIEN IL 60561-5097
|
|
GUS Population: 18,629 (2024)
ID: 194715
|
Municipal | Municipal Government Within County |
Contact: MARKETING AND BUSINESS DEVELOPMENT A
12 S CENTER ST, BENSENVILLE IL 60106-2130
|
|
GUS Population: 17,598 (2024)
ID: 162297
|
Municipal | Municipal Government Within County |
Contact: FIN. OFFICER
19 E CHICAGO AVE, HINSDALE IL 60521-3431
|
|
GUS Population: 15,247 (2024)
ID: 184960
|
Municipal | Municipal Government Within County |
Contact: FINANCE DIRECTOR
3S258 MANNING AVE, WARRENVILLE IL 60555-2912
|
|
GUS Population: 13,983 (2024)
ID: 207792
|
Municipal | Municipal Government Within County |
Contact: FINANCE DIRECTOR
404 N WOOD DALE RD, WOOD DALE IL 60191-1534
|
|
GUS Population: 11,202 (2024)
ID: 162302
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK
7660 S COUNTY LINE RD, BURR RIDGE IL 60527-4721
|
|
GUS Population: 10,199 (2024)
ID: 102668
|
Municipal | Municipal Government Within County |
Contact: FINANCE DIRECTOR
27W465 JEWELL RD, WINFIELD IL 60190-1934
|
|
GUS Population: 9,506 (2024)
ID: 162298
|
Municipal | Municipal Government Within County |
Contact: VILLAGE ADMINISTRATOR
550 W IRVING PARK RD, ITASCA IL 60143-2018
|
|
GUS Population: 9,179 (2024)
ID: 162303
|
Municipal | Municipal Government Within County |
Contact: MANAGEMENT ANALYST
835 MIDWAY DRIVE, WILLOWBROOK IL 60527-5594
|
|
GUS Population: 8,703 (2024)
ID: 184956
|
Municipal | Municipal Government Within County |
Contact: FINANCE DIRECTOR/TREASURER
1 N PROSPECT AVE, CLARENDON HILLS IL 60514-1227
|
|
GUS Population: 8,188 (2024)
ID: 204277
|
Municipal | Municipal Government Within County |
Contact: TREASURER FINANCE DIRECTOR
1200 OAK BROOK RD, OAK BROOK IL 60523-2203
|
|
GUS Population: 2,729 (2024)
ID: 207794
|
Municipal | Municipal Government Within County |
Contact: MAYOR
17W275 BUTTERFIELD RD, OAKBROOK TERRACE IL 60181-4095
|
|
GUS Population: 2,285 (2024)
ID: 124910
|
Municipal | Municipal Government Within County |
Contact: TREASURER
PO BOX 532, WAYNE IL 60184-0532
|