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Layers
Territory
- officials recorded 52
- partly recorded 67
- nothing recorded 0
- GEOID
- 17031
- OCD-ID
- ocd-division/country:us/state:il/county:cook
- POP
- 5,194,625 (2025)
- CENTER
- 41.8954, -87.6461
- SOURCE
- census tiger
Government of Cook
Bodies, seats, agencies and services that belong to Cook itself. Jurisdictions inside it are listed separately below.
No seats recorded.
Organization 22
Departments
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Assesses the value of all residential and commercial property in Cook County for taxation purposes
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Board of Commissioners Legislative
Legislative body of Cook County government
-
Manages the Cook County budget process and provides management analysis services
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Promotes economic growth and development throughout Cook County
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Provides information technology services and digital infrastructure for Cook County government
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Maintains records for the Circuit Court of Cook County, the largest unified court system in the country
-
Cook County Clerk responsible for vital records, elections, and property tax administration
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Operates Stroger Hospital, Provident Hospital, and community health centers serving Cook County residents
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Department of Finance Finance
Manages Cook County financial operations, accounting, and revenue collection
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Coordinates homeland security initiatives and emergency preparedness for Cook County
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Manages recruitment, employee relations, and workforce development for Cook County
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Plans, designs, constructs, and maintains Cook County highways and transportation infrastructure
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Coordinates emergency preparedness, response, and recovery for Cook County
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Manages and maintains Cook County government buildings and facilities
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Manages over 70,000 acres of forest preserves, trails, and nature centers across Cook County
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Investigates deaths within Cook County to determine cause and manner of death
-
Chief Executive Officer of Cook County
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Provides legal representation to indigent defendants in Cook County criminal and juvenile courts
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Records and maintains documents related to real estate transactions in Cook County
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Cook County Sheriff responsible for law enforcement, court services, and correctional facilities
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Cook County State's Attorney responsible for prosecuting criminal cases and representing the county in civil matters
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Cook County Treasurer responsible for collecting and safeguarding property tax revenue
Within Cook
Each of these governs itself. Counts are that jurisdiction's own records.
- jurisdictions
- 233
- agencies
- 756
- bodies
- 157
- officials
- 368
| Name | Agencies | Bodies | Officials |
|---|---|---|---|
| Chicago | 15 | 1 | 50 |
| Cicero | 1 | 1 | 1 |
| Schaumburg | 1 | 1 | 0 |
| Evanston | 11 | 31 | 10 |
| Arlington Heights | 1 | 1 | 1 |
| Skokie | 1 | 1 | 1 |
| Palatine | 1 | 1 | 1 |
| Des Plaines | 1 | 1 | 1 |
| Orland Park | 1 | 1 | 1 |
| Oak Lawn | 1 | 1 | 1 |
| Mount Prospect | 1 | 1 | 1 |
| Tinley Park | 1 | 1 | 1 |
| Berwyn | 1 | 1 | 1 |
| Oak Park | 1 | 1 | 1 |
| Hoffman Estates | 1 | 1 | 1 |
| Glenview | 1 | 1 | 1 |
| Park Ridge | 6 | 1 | 9 |
| Wheeling | 10 | 1 | 8 |
| Streamwood | 8 | 1 | 8 |
| Calumet City | 8 | 1 | 7 |
| Northbrook | 8 | 1 | 7 |
| Elk Grove Village | 7 | 1 | 7 |
| Niles | 12 | 1 | 7 |
| Burbank | 1 | 1 | 7 |
| Lansing | 1 | 1 | 8 |
| Wilmette | 9 | 1 | 7 |
| Oak Forest | 9 | 1 | 8 |
| Chicago Heights | 8 | 1 | 8 |
| Morton Grove | 7 | 1 | 8 |
| Melrose Park | 7 | 1 | 8 |
| Rolling Meadows | 7 | 1 | 8 |
| Elmwood Park | 7 | 1 | 8 |
| Maywood | 7 | 1 | 8 |
| Blue Island | 7 | 1 | 9 |
| Park Forest | 7 | 1 | 7 |
| South Holland | 7 | 1 | 8 |
| Dolton | 7 | 1 | 7 |
| Harvey | 9 | 1 | 7 |
| Evergreen Park | 10 | 7 | 8 |
| Brookfield | 7 | 1 | 8 |
| Homewood | 8 | 2 | 8 |
| Matteson | 8 | 1 | 8 |
| Lemont | 6 | 1 | 8 |
| Alsip | 10 | 1 | 8 |
| Bellwood | 13 | 3 | 8 |
| Franklin Park | 8 | 1 | 8 |
| Palos Hills | 9 | 1 | 10 |
| Bridgeview | 12 | 3 | 7 |
| Westchester | 8 | 1 | 8 |
| Country Club Hills | 9 | 1 | 0 |
Showing the 50 largest of 233. Totals include all of them.