Official Census inventory · IL
Illinois government directory.
6,972 public-entity records, with Census classifications, functions, contact fields, population or enrollment where published, and explicit functioning or dormant status.
6,963functioning
2,821general-purpose governments
3,219special district governments
890independent school districts
0dependent school systems
42public pension systems
Census public-use file
6,972 records
Special district governmentFunctioning
Oak Ridge Sanitary District
SEWERAGE AND WATER SUPPLY
- County area
- Woodford
- Contact
- 1503 HICKORY POINT RD · METAMORA, IL · 61548
- Census ID
- 103583
Special district governmentFunctioning
Oakbrook Terrace Community Park District
PARKS AND RECREATION
- County area
- Dupage
- Contact
- 1S325 ARDMORE AVE · VILLA PARK, IL · 60181-3704
- Census ID
- 206332
Special district governmentFunctioning
Oakbrook Terrace Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Dupage
- Contact
- 17W400 BUTTERFIELD RD · OAKBROOK TERRACE, IL · 60181-4045
- Census ID
- 125534
Special district governmentFunctioning
Oakford Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Menard
- Contact
- 101 E DOUGLAS AVE · PETERSBURG, IL · 62675-1558
- Census ID
- 217635
Special district governmentFunctioning
Oakford Special Drainage District
DRAINAGE
- County area
- Menard
- Contact
- 101 E DOUGLAS AVE · PETERSBURG, IL · 62675-1558
- Census ID
- 137985
Special district governmentFunctioning
Oakland Cemetery District
CEMETERIES
- County area
- Coles
- Contact
- PO BOX 272 · OAKLAND, IL · 61943
- Census ID
- 145599
Special district governmentFunctioning
Oakland Community Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Coles
- Contact
- PO BOX 167 · OAKLAND, IL · 61943-0167
- Census ID
- 145601
Special district governmentFunctioning
Oakwood Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Vermilion
- Contact
- PO BOX 57 · OAKWOOD, IL · 61858-0057
- Census ID
- 224649
Special district governmentFunctioning
Oakwood Public Library District
LIBRARIES
- County area
- Vermilion
- Contact
- PO BOX 99 · OAKWOOD, IL · 61858-0099
- Census ID
- 138000
Special district governmentFunctioning
Oblong Township Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Crawford
- Contact
- PO BOX 51 · OBLONG, IL · 62449-0051
- Census ID
- 145747
Special district governmentFunctioning
Oconee Township Drainage District 1
DRAINAGE
- County area
- Shelby
- Contact
- PO BOX 113 · OCONEE, IL · 62553-0113
- Census ID
- 146727
Special district governmentFunctioning
Octavia Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Mclean
- Contact
- PO BOX 19 · COLFAX, IL · 61728-0019
- Census ID
- 192536
Special district governmentFunctioning
Octavia Park District
PARKS AND RECREATION
- County area
- Mclean
- Contact
- 213 S GREEN ST · CHENOA, IL · 61726-1133
- Census ID
- 125718
Special district governmentFunctioning
Odell Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Livingston
- Contact
- 210 W ELK ST · ODELL, IL · 60460-7906
- Census ID
- 146296
Special district governmentFunctioning
Odell Park District
PARKS AND RECREATION
- County area
- Livingston
- Contact
- 300 W 2ND ST · ODELL, IL · 60460
- Census ID
- 103399
Special district governmentFunctioning
Odell Public Library District
LIBRARIES
- County area
- Livingston
- Contact
- 301 E RICHARD ST · ODELL, IL · 60460-9582
- Census ID
- 206384
Special district governmentFunctioning
Odin Cemetery Maintenance District
CEMETERIES
- County area
- Marion
- Contact
- PO BOX 336 · ODIN, IL · 62870-0336
- Census ID
- 204381
Special district governmentFunctioning
Odin Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Marion
- Contact
- 100 PERKINS ST, PO BOX 223 · ODIN, IL · 62870
- Census ID
- 103443
Special district governmentFunctioning
Ogden and Oakwood Union Drainage District 1
DRAINAGE
- County area
- Champaign
- Contact
- 3001 RESEARCH RD, SUITE C · CHAMPAIGN, IL · 61822-1089
- Census ID
- 145515
Special district governmentFunctioning
Ogden Drainage District 10
DRAINAGE
- County area
- Champaign
- Contact
- PO BOX 905 · URBANA, IL · 61803-0905
- Census ID
- 145468
Special district governmentFunctioning
Ogden Royal Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Champaign
- Contact
- PO BOX 235 · OGDEN, IL · 61859-0352
- Census ID
- 145484
Special district governmentFunctioning
Ogle County Housing Authority
HOUSING AND COMMUNITY DEVELOPMENT
- County area
- Ogle
- Contact
- 200 WASHINGTON ST, STE 100 · OREGON, IL · 61061-1635
- Census ID
- 103471
Special district governmentFunctioning
Ogle County Soil and Water Conservation District
SOIL AND WATER CONSERVATION
- County area
- Ogle
- Contact
- 213 W PINES RD, STE 3 · OREGON, IL · 61061-9093
- Census ID
- 146557
Special district governmentFunctioning
Ogle-Lee Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Ogle
- Contact
- 401 5TH AVE · ROCHELLE, IL · 61068-1668
- Census ID
- 190068
Special district governmentFunctioning
Oglesby Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Lasalle
- Contact
- 500 S COLUMBIA AVE · OGLESBY, IL · 61348
- Census ID
- 185163
Special district governmentFunctioning
Oglesby Public Library District
LIBRARIES
- County area
- Lasalle
- Contact
- PO BOX 69 · OGLESBY, IL · 61348-0069
- Census ID
- 204366
Special district governmentFunctioning
Ohio Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Bureau
- Contact
- PO BOX 351 · OHIO, IL · 61349-0351
- Census ID
- 125394
Special district governmentFunctioning
Ohio Public Library District
LIBRARIES
- County area
- Bureau
- Contact
- PO BOX 187 · OHIO, IL · 61349-0187
- Census ID
- 211307
Special district governmentFunctioning
Okaw Drainage District
DRAINAGE
- County area
- Champaign
- Contact
- 115 N NEIL ST, STE 315 · CHAMPAIGN, IL · 61820-4088
- Census ID
- 145485
Special district governmentFunctioning
Okawville Fire Protection District
LOCAL FIRE PROTECTION
- County area
- Washington
- Contact
- PO BOX 400 · OKAWVILLE, IL · 62271-0400
- Census ID
- 190083
Source: U.S. Census Bureau, 2025 Government Units Listing. A listed entity is not proof that its board is elected or that the contact field identifies an officeholder.