DeKalb County, Illinois
DeKalb 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: 101,335 (2024)
ID: 124840
|
County | Official County Government |
Contact: COUNTY ADMINISTRATOR
200 N MAIN ST, SYCAMORE IL 60178-1431
|
|
GUS Population: 42,933 (2024)
ID: 162841
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
2323 S 4TH ST, DEKALB IL 60115-8202
|
|
GUS Population: 40,491 (2024)
ID: 102649
|
Municipal | Municipal Government Within County |
Contact: FINANCE DIRECTOR
200 S 4TH ST, DEKALB IL 60115-3720
|
|
GUS Population: 18,968 (2024)
ID: 162287
|
Municipal | Municipal Government Within County |
Contact: TREASURER
308 W STATE ST, STE 102, SYCAMORE IL 60178-1453
|
|
TOWNSHIP OF SYCAMORE
GUS Population: 14,933 (2024)
ID: 162848
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
545 BRICKVILLE RD, SYCAMORE IL 60178-1201
|
|
TOWNSHIP OF CORTLAND
GUS Population: 11,483 (2024)
ID: 125146
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
14 S PRAIRIE ST, CORTLAND IL 60112-4065
|
|
TOWNSHIP OF SANDWICH
GUS Population: 7,594 (2024)
ID: 125148
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
201 W CENTER ST, SANDWICH IL 60548-1537
|
|
GUS Population: 7,299 (2024)
ID: 124905
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
144 E RAILROAD ST, SANDWICH IL 60548-2192
|
|
TOWNSHIP OF GENOA
GUS Population: 5,706 (2024)
ID: 185065
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 153, GENOA IL 60135-0153
|
|
CITY OF GENOA
GUS Population: 5,514 (2024)
ID: 162284
|
Municipal | Municipal Government Within County |
Contact: CLERK
333 E 1ST ST, GENOA IL 60135-1015
|
|
GUS Population: 4,592 (2024)
ID: 124903
|
Municipal | Municipal Government Within County |
Contact: FINANCE DIRECTOR/TREASURER
PO BOX 519, CORTLAND IL 60112-0519
|
|
TOWNSHIP OF KINGSTON
GUS Population: 3,484 (2024)
ID: 162842
|
Township | Municipal Government Within County |
Contact: KINGSTON TOWNSHIP SUPERVISOR
101 E RAILROAD ST, KINGSTON IL 60145-7033
|
|
TOWNSHIP OF SQUAW GROVE
GUS Population: 2,698 (2024)
ID: 162847
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 1266, HINCKLEY IL 60520-1266
|
|
TOWNSHIP OF FRANKLIN
GUS Population: 2,197 (2024)
ID: 189963
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 100, KIRKLAND IL 60146-8547
|
|
GUS Population: 1,976 (2024)
ID: 207789
|
Municipal | Municipal Government Within County |
Contact: PRESIDENT
720 JAMES ST, HINCKLEY IL 60520-9771
|
|
TOWNSHIP OF SOMONAUK
GUS Population: 1,974 (2024)
ID: 162846
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
14466 SUYDAM RD., SOMONAUK IL 60552
|
|
TOWNSHIP OF CLINTON
GUS Population: 1,915 (2024)
ID: 162840
|
Township | Municipal Government Within County |
Contact: TOWNSHIP SUPERVISOR
PO BOX 231, WATERMAN IL 60556-0231
|
|
GUS Population: 1,761 (2024)
ID: 162286
|
Municipal | Municipal Government Within County |
Contact: VILLAGE TRUSTEE
PO BOX 218, SOMONAUK IL 60552-0218
|
|
GUS Population: 1,621 (2024)
ID: 162285
|
Municipal | Municipal Government Within County |
Contact: TREASURER
PO BOX 550, KIRKLAND IL 60146-0550
|
|
VILLAGE OF WATERMAN
GUS Population: 1,543 (2024)
ID: 162288
|
Municipal | Municipal Government Within County |
Contact: TRUSTEE
PO BOX 239, WATERMAN IL 60556-0239
|
|
TOWNSHIP OF MALTA
GUS Population: 1,524 (2024)
ID: 162843
|
Township | Municipal Government Within County |
Contact: TWP SUPERVISOR
PO BOX 303, MALTA IL 60150
|
|
TOWNSHIP OF SHABBONA
GUS Population: 1,333 (2024)
ID: 162845
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
PO BOX 312, SHABBONA IL 60550-0312
|
|
VILLAGE OF MALTA
GUS Population: 1,137 (2024)
ID: 207790
|
Municipal | Municipal Government Within County |
Contact: COMPTROLLER
120 S 3RD ST, MALTA IL 60150-9519
|
|
GUS Population: 1,095 (2024)
ID: 124904
|
Municipal | Municipal Government Within County |
Contact: TREASURER
101 E RAILROAD ST, KINGSTON IL 60145-7033
|
|
TOWNSHIP OF AFTON
GUS Population: 904 (2024)
ID: 102929
|
Township | Municipal Government Within County |
Contact: COMMISSIONER WALKER
9075 ELVA ROAD, DEKALB IL 60115
|
|
TOWNSHIP OF MAYFIELD
GUS Population: 904 (2024)
ID: 125147
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
26925 CHURCH RD, SYCAMORE IL 60178-9001
|
|
GUS Population: 852 (2024)
ID: 184951
|
Municipal | Municipal Government Within County |
Contact: MAYOR
211 N SHABBONA RD, SHABBONA IL 60550-9600
|
|
TOWNSHIP OF PIERCE
GUS Population: 432 (2024)
ID: 102932
|
Township | Municipal Government Within County |
Contact: TOWNSHIP SUPERVISOR
13441 HINCKLEY RD, HINCKLEY IL 60520-6059
|
|
TOWNSHIP OF SOUTH GROVE
GUS Population: 415 (2024)
ID: 125149
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
26645 SCHAFER RD, CLARE IL 60111-9128
|
|
TOWNSHIP OF PAW PAW
GUS Population: 310 (2024)
ID: 193218
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
1760 WHITMAN RD, EARLVILLE IL 60518-5100
|
|
TOWNSHIP OF MILAN
GUS Population: 309 (2024)
ID: 162844
|
Township | Municipal Government Within County |
Contact: SUPERVISOR
983 MCGIRR RD, LEE IL 60530-3006
|
|
TOWNSHIP OF VICTOR
GUS Population: 287 (2024)
ID: 185066
|
Township | Municipal Government Within County |
Contact: TOWNSHIP SUPERVISOR
9599 SUYDAM RD, LELAND IL 60531-8058
|