General-purpose governmentFunctioning
County of Massac
Counties, municipalities, and townships.
- County area
- Massac
- Contact
- COUNTY BUILDING · METROPOLIS, IL · 62960
- Census ID
- 124847
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
General-purpose governmentFunctioning
County of Mcdonough
Counties, municipalities, and townships.
- County area
- Mcdonough
- Contact
- 1 COURTHOUSE SQ · MACOMB, IL · 61455-2267
- Census ID
- 194543
General-purpose governmentFunctioning
County of Mchenry
Counties, municipalities, and townships.
- County area
- Mchenry
- Contact
- 2200 N SEMINARY AVE · WOODSTOCK, IL · 60098-2693
- Census ID
- 162147
General-purpose governmentFunctioning
County of Mclean
Counties, municipalities, and townships.
- County area
- Mclean
- Contact
- 115 E WASHINGTON ST, STE M101 · BLOOMINGTON, IL · 61701-4089
- Census ID
- 189911
General-purpose governmentFunctioning
County of Menard
Counties, municipalities, and townships.
- County area
- Menard
- Contact
- PO BOX 436 · PETERSBURG, IL · 62675-0436
- Census ID
- 162151
General-purpose governmentFunctioning
County of Mercer
Counties, municipalities, and townships.
- County area
- Mercer
- Contact
- COUNTY BUILDING · ALEDO, IL · 61231
- Census ID
- 162152
General-purpose governmentFunctioning
County of Monroe
Counties, municipalities, and townships.
- County area
- Monroe
- Contact
- 100 S MAIN ST · WATERLOO, IL · 62298
- Census ID
- 102552
General-purpose governmentFunctioning
County of Montgomery
Counties, municipalities, and townships.
- County area
- Montgomery
- Contact
- 1 COURTHOUSE SQ, ROOM 202 · HILLSBORO, IL · 62049-1137
- Census ID
- 194544
General-purpose governmentFunctioning
County of Morgan
Counties, municipalities, and townships.
- County area
- Morgan
- Contact
- 300 W STATE ST · JACKSONVILLE, IL · 62650-2063
- Census ID
- 162153
General-purpose governmentFunctioning
County of Moultrie
Counties, municipalities, and townships.
- County area
- Moultrie
- Contact
- COURTHOUSE · SULLIVAN, IL · 61951
- Census ID
- 162154
General-purpose governmentFunctioning
County of Ogle
Counties, municipalities, and townships.
- County area
- Ogle
- Contact
- 105 S 5TH ST · OREGON, IL · 61061-1602
- Census ID
- 162155
General-purpose governmentFunctioning
County of Peoria
Counties, municipalities, and townships.
- County area
- Peoria
- Contact
- 324 MAIN ST, STE 502 · PEORIA, IL · 61602-2305
- Census ID
- 162156
General-purpose governmentFunctioning
County of Perry
Counties, municipalities, and townships.
- County area
- Perry
- Contact
- PO BOX 438 · PINCKNEYVILLE, IL · 62274-0438
- Census ID
- 204263
General-purpose governmentFunctioning
County of Piatt
Counties, municipalities, and townships.
- County area
- Piatt
- Contact
- 101 W WASHINGTON ST · MONTICELLO, IL · 61856-1672
- Census ID
- 102553
General-purpose governmentFunctioning
County of Pike
Counties, municipalities, and townships.
- County area
- Pike
- Contact
- 121 E WASHINGTON ST · PITTSFIELD, IL · 62363-1411
- Census ID
- 162157
General-purpose governmentFunctioning
County of Pope
Counties, municipalities, and townships.
- County area
- Pope
- Contact
- PO BOX 216 · GOLCONDA, IL · 62938-0216
- Census ID
- 162158
General-purpose governmentFunctioning
County of Pulaski
Counties, municipalities, and townships.
- County area
- Pulaski
- Contact
- 500 ILLINOIS AVE · MOUND CITY, IL · 62963-1049
- Census ID
- 124848
General-purpose governmentFunctioning
County of Putnam
Counties, municipalities, and townships.
- County area
- Putnam
- Contact
- PO BOX 235 · HENNEPIN, IL · 61327-0235
- Census ID
- 162159
General-purpose governmentFunctioning
County of Randolph
Counties, municipalities, and townships.
- County area
- Randolph
- Contact
- RANDOLPH COUNTY COURTHOUSE · CHESTER, IL · 62233
- Census ID
- 162160
General-purpose governmentFunctioning
County of Richland
Counties, municipalities, and townships.
- County area
- Richland
- Contact
- 103 W MAIN ST, STE 13 · OLNEY, IL · 62450-2170
- Census ID
- 124849
General-purpose governmentFunctioning
County of Rock Island
Counties, municipalities, and townships.
- County area
- Rock Island
- Contact
- 1504 3RD AVE · ROCK ISLAND, IL · 61201-8612
- Census ID
- 102554
General-purpose governmentFunctioning
County of Saline
Counties, municipalities, and townships.
- County area
- Saline
- Contact
- 10 E POPLAR ST · HARRISBURG, IL · 62946-1553
- Census ID
- 162162
General-purpose governmentFunctioning
County of Sangamon
Counties, municipalities, and townships.
- County area
- Sangamon
- Contact
- 200 S 9TH ST, STE 201 · SPRINGFIELD, IL · 62701-1967
- Census ID
- 194545
General-purpose governmentFunctioning
County of Schuyler
Counties, municipalities, and townships.
- County area
- Schuyler
- Contact
- PO BOX 200 · RUSHVILLE, IL · 62681-0200
- Census ID
- 207765
General-purpose governmentFunctioning
County of Scott
Counties, municipalities, and townships.
- County area
- Scott
- Contact
- 35 E MARKET ST · WINCHESTER, IL · 62694-1216
- Census ID
- 189912
General-purpose governmentFunctioning
County of Shelby
Counties, municipalities, and townships.
- County area
- Shelby
- Contact
- PO BOX 230 · SHELBYVILLE, IL · 62565-0230
- Census ID
- 184901
General-purpose governmentFunctioning
County of St Clair
Counties, municipalities, and townships.
- County area
- St Clair
- Contact
- 10 PUBLIC SQ · BELLEVILLE, IL · 62220-1623
- Census ID
- 162161
General-purpose governmentFunctioning
County of Stark
Counties, municipalities, and townships.
- County area
- Stark
- Contact
- PO BOX 309 · TOULON, IL · 61483-0309
- Census ID
- 162163
General-purpose governmentFunctioning
County of Stephenson
Counties, municipalities, and townships.
- County area
- Stephenson
- Contact
- 50 W DOUGLAS ST, STE 1002 · FREEPORT, IL · 61032-4136
- Census ID
- 204264
General-purpose governmentFunctioning
County of Tazewell
Counties, municipalities, and townships.
- County area
- Tazewell
- Contact
- 11 S 4TH ST STE 123 · PEKIN, IL · 61554-4281
- Census ID
- 162164
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.