State · Midwest region
Police Stations and Law Enforcement in Illinois
Find the police department, sheriff's office, or station for your area. Start with a county or a city in Illinois.
- Type
- State
- Postal code
- IL
- Population
- 12,549,689
- Counties
- 102
Midwest region
Census FIPS code 17
2023 Census estimate
Listed from the Census Bureau
Coverage status
Records for Illinois
We list 1,070 law enforcement agencies for Illinois from federal records. They are shown as reported, with the address and phone number on file, and we have not checked them one by one yet. Find yours by county or by city below.
Federal records, not checked one by one yet
1,070
Agencies listed
370
Stations listed
102
counties listed
Directory
Agencies in Illinois(26)
1,070 agencies are listed for Illinois: 116 sheriff's offices, 851 local police departments, 25 state law enforcement agencies, 77 special jurisdiction agencies, 1 constable or marshal. County and city agencies are listed on their own pages.
25State law enforcement agencies
- Illinois Department of Juvenile Justice - Illinois Youth Center - ChicagoChicago · (312) 633-5219
- Illinois Department of Natural Resources - Region 2 OfficeBartlett · (847) 608-3100
- Illinois Department of Natural Resources - Region 4 OfficeAlton · (618) 462-1181
- Illinois Department of Natural Resources - Region 5 OfficeBenton · (618) 435-8138
- Illinois State Police - District 1Sterling · (815) 632-4010
- Illinois State Police - District 10Pesotum · (217) 265-0050
- Illinois State Police - District 11 - CollinsvilleCollinsville · (618) 346-3990
- Illinois State Police - District 12Effingham · (217) 347-2711
- Illinois State Police - District 13Duquoin · (618) 542-2171
- Illinois State Police - District 14Macomb · (309) 833-4046
- Illinois State Police - District 15 - Downers GroveDowners Grove · (630) 241-6800
- Illinois State Police - District 16Pecatonica · (815) 239-1152
- Illinois State Police - District 17Lasalle · (815) 224-1171
- Illinois State Police - District 19Carmi · (618) 382-4606
- Illinois State Police - District 20Pittsfield · (217) 285-2034
- Illinois State Police - District 21Ashkum · (815) 698-2395
- Illinois State Police - District 3 - ChicagoDes Plaines · (847) 294-4400
- Illinois State Police - District 5Lockport · (815) 726-6377
- Illinois State Police - District 6Pontiac · (815) 844-1500
- Illinois State Police - District 7 - East MolineEast Moline · (309) 752-4915
- Illinois State Police - District 8Metamora · (309) 383-2133
- Illinois State Police - District 9Springfield · (217) 786-7107
- Illinois State Police Department - District 2Elgin · (847) 931-2405
- Illinois State Police District 18Litchfield · (217) 324-4900
- Illinois State Police District 22Ullin · (618) 845-3740
1Local police department
Stations
Police stations in Illinois(3)
Station buildings with an address, phone number, or website. Other stations are listed on their county pages.
Cities
Largest cities in Illinois(12)
Ranked by 2023 U.S. Census Bureau population estimates. Pages for other cities and towns are added with their agency records.
- CityChicago2,664,452 people, 2023 estimate
- CityAurora177,563 people, 2023 estimate
- CityJoliet150,489 people, 2023 estimate
- CityNaperville150,245 people, 2023 estimate
- CityRockford146,120 people, 2023 estimate
- CityElgin113,310 people, 2023 estimate
- CitySpringfield112,544 people, 2023 estimate
- CityPeoria110,460 people, 2023 estimate
- CityChampaign89,189 people, 2023 estimate
- CityWaukegan87,642 people, 2023 estimate
- TownCicero81,004 people, 2023 estimate
- CityBloomington78,587 people, 2023 estimate
Directory
Browse counties in Illinois(102)
Every county the Census Bureau lists for Illinois. Sort by name or by land area, or find one on the map.
102 counties
A
2
B
4
C
12
D
4
E
3
F
4
G
3
H
5
I
1
J
6
K
4
L
6
M
16
- Macon County581 sq mi
- Macoupin County863 sq mi
- Madison County716 sq mi
- Marion County573 sq mi
- Marshall County387 sq mi
- Mason County539 sq mi
- Massac County237 sq mi
- McDonough County589 sq mi
- McHenry County603 sq mi
- McLean County1,183 sq mi
- Menard County314 sq mi
- Mercer County561 sq mi
- Monroe County385 sq mi
- Montgomery County704 sq mi
- Morgan County569 sq mi
- Moultrie County336 sq mi
O
1
P
7
R
3
S
8
T
1
U
1
V
1
W
10
Other states
More states in the Midwest
12 states share the Midwest Census region. Jump to any of them, and see how they compare.
- Combined population
- 68.9M
- States
- 12
- Counties and equivalents
- 1,055
- ILYou are hereIllinois12.5M102 counties
- OHOhio11.8M88 counties
- MIMichigan10M83 counties
- INIndiana6.9M92 counties
- MOMissouri6.2M115 counties
- WIWisconsin5.9M72 counties
- MNMinnesota5.7M87 counties
- IAIowa3.2M99 counties
- KSKansas2.9M105 counties
- NENebraska2M93 counties
- SDSouth Dakota919.3K66 counties
- NDNorth Dakota783.9K53 counties
In an emergency, call 911. This site is a directory. It cannot send help or take reports.