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Cook County

Cook County

Official County Record

Official source, last checked Sep 7, 2026
County Board meets
Regular meetings typically Thursdays at 10:00 a.m. (consent calendar meetings on Wednesdays).
Meeting location
Cook County Building, Board Room, 118 North Clark Street, Chicago, IL 60602.
County Clerk
Cedric Giles · 312-603-5656 · Cedric.Giles@cookcountyil.gov
Agendas posted at
https://cook-county.legistar.com/Calendar.aspx
County Board President
Cook County Board of Commissioners, 17 commissioners elected by single-member districts plus a County Board President elected countywide at-large. County Board President: Toni Preckwinkle (in office since December 2010; confirmed unchanged from the December 2025 directory).

Sources

Other Local Government Here

Local government is layered — cities, counties, school districts, and special districts are separate, overlapping governments. Most residents are covered by several at once, and more may exist here than are listed below.

Other Known Local Governments Here

These local governments — special-purpose districts, and smaller incorporated cities and towns — are known to exist in this area, but haven’t been individually researched yet, so there’s no meeting info or contacts on file. Listed here as a starting point if you want to look into one yourself; where we could confirm an official website, the name links there. More may exist here than are listed.

Cities (15)

Source: U.S. Census Bureau Population Estimates Program, 2024 · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Villages (94)

Source: U.S. Census Bureau Population Estimates Program, 2024 · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

School districts (144)
  • Alsip-Hazlgrn-Oaklwn SD 126
  • Arbor Park SD 145
  • Argo Chsd 217
  • Arlington Heights SD 25
  • Atwood Heights SD 125
  • Avoca SD 37
  • Barrington CUSD 220
  • Bellwood SD 88
  • Berkeley SD 87
  • Berwyn North SD 98
  • Berwyn South SD 100
  • Bloom Twp Hsd 206
  • Bremen Chsd 228
  • Brookfield Lagrange Park SD 95
  • Brookwood SD 167
  • Burbank SD 111
  • Burnham SD 154-5
  • Calumet City SD 155
  • Calumet Public SD 132
  • Ccsd 146
  • Ccsd 168
  • Ccsd 62
  • Central Stickney SD 110
  • Chicago Heights SD 170
  • Chicago Ridge SD 127-5
  • Chsd 218
  • Cicero SD 99
  • City of Chicago SD 299
  • Comm Cons SD 59
  • Cons Hsd 230
  • Cook County SD 130
  • Country Club Hills SD 160
  • Dolton SD 148
  • Dolton SD 149
  • East Maine SD 63
  • East Prairie SD 73
  • Elmwood Park CUSD 401
  • Esd 159
  • Evanston Ccsd 65
  • Evanston Twp Hsd 202
  • Evergreen Park Chsd 231
  • Evergreen Park Esd 124
  • Fairview SD 72
  • Flossmoor SD 161
  • Ford Heights SD 169
  • Forest Park SD 91
  • Forest Ridge SD 142
  • Franklin Park SD 84
  • Gen George Patton SD 133
  • Glenbrook Hsd 225
  • Glencoe SD 35
  • Glenview Ccsd 34
  • Golf Esd 67
  • Harvey SD 152
  • Hazel Crest SD 152-5
  • Hillside SD 93
  • Homewood Flossmoor Chsd 233
  • Homewood SD 153
  • Hoover-Schrum Memorial SD 157
  • Indian Springs SD 109
  • J S Morton Hsd 201
  • Kenilworth SD 38
  • Kirby SD 140
  • Komarek SD 94
  • La Grange SD 102
  • La Grange SD 105 South
  • Lagrange Highlands SD 106
  • Lansing SD 158
  • Lemont Twp Hsd 210
  • Lemont-Bromberek Csd 113a
  • Leyden Chsd 212
  • Lincoln Esd 156
  • Lincolnwood SD 74
  • Lindop SD 92
  • Lyons SD 103
  • Lyons Twp Hsd 204
  • Maine Township Hsd 207
  • Mannheim SD 83
  • Matteson Esd 162
  • Maywood-Melrose Park-Broadview 89
  • Midlothian SD 143
  • Morton Grove SD 70
  • Mount Prospect SD 57
  • New Trier Twp Hsd 203
  • Niles Esd 71
  • Niles Twp Hsd 219
  • Norridge SD 80
  • North Palos SD 117
  • Northbrook Esd 27
  • Northbrook SD 28
  • Northbrook/glenview SD 30
  • Oak Lawn Chsd 229
  • Oak Lawn-Hometown SD 123
  • Oak Park - River Forest SD 200
  • Oak Park Esd 97
  • Orland SD 135
  • Palatine Ccsd 15
  • Palos Ccsd 118
  • Palos Heights SD 128
  • Park Forest SD 163
  • Park Ridge Ccsd 64
  • Pennoyer SD 79
  • Pleasantdale SD 107
  • Posen-Robbins Esd 143-5
  • Prairie-Hills Esd 144
  • Prospect Heights SD 23
  • Proviso Twp Hsd 209
  • Reavis Twp Hsd 220
  • Rhodes SD 84-5
  • Rich Twp Hsd 227
  • Ridgeland SD 122
  • Ridgewood Chsd 234
  • River Forest SD 90
  • River Grove SD 85-5
  • River Trails SD 26
  • Riverside SD 96
  • Riverside-Brookfield Twp SD 208
  • Rosemont Esd 78
  • Sandridge SD 172
  • Schaumburg Ccsd 54
  • Schiller Park SD 81
  • Skokie SD 68
  • Skokie SD 69
  • Skokie SD 73-5
  • South Holland SD 150
  • South Holland SD 151
  • Summit SD 104
  • Sunnybrook SD 171
  • Sunset Ridge SD 29
  • Thornton Fractional Twp Hsd 215
  • Thornton SD 154
  • Thornton Twp Hsd 205
  • Township Hsd 211
  • Township Hsd 214
  • Union Ridge SD 86
  • W Harvey-Dixmoor Psd 147
  • West Northfield SD 31
  • Westchester SD 92-5
  • Western Springs SD 101
  • Wheeling Ccsd 21
  • Willow Springs SD 108
  • Wilmette SD 39
  • Winnetka SD 36
  • Worth SD 127

Source: NCES Common Core of Data (via Urban Institute), 2022 directory — regular school districts only

Special districts · Airport (1)
  • Chicago-Gary Regional Airport Authority

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)

Special districts · Drainage (2)
  • Calumet Union Drainage District 1
  • Lincoln-Lansing Drainage District

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)

Special districts · Fire Protection (29)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Health (4)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Highways (2)
  • Forest River Street Lighting District
  • Norwood Park Street Lighting District

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)

Special districts · Housing & Community Development (9)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Library (52)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Multi-Purpose (1)
  • Metro Water Reclamation of Greater Chicago

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)

Special districts · Other Single Purpose (1)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Parks & Recreation (93)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Ports (1)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Public Transit (6)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Reclamation (1)
  • Addison Creek Restoration Commission

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)

Special districts · Sewer (11)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Soil & Water Conservation (2)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Solid Waste (2)

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts) · Website links from the official .gov registry and the Census Bureau’s 2022 Government Units listing, checked September 2026

Special districts · Water & Sewer (6)
  • Central Stickney Sanitary District
  • Glenbrook Sanitary District
  • La Grange Highlands Sanitary District
  • Mission Brook Sanitary District
  • South Palos Township Sanitary District
  • South Stickney Sanitary District

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)

Special districts · Water Supply (10)
  • Broadview-Westchester Joint Action Water Agency
  • Brookfield North Riverside Water Commission
  • Garden Homes Sanitary District
  • Hillside Berkeley Water Commission
  • Justice-Willow Springs Water Service District
  • Midlothian-Markham Water Service District
  • Morton Grove Niles Water Commission
  • Northwest Suburban Municipal Joint Action Water Agency
  • Northwest Water Commission
  • South Suburban Joint Action Water Agency

Source: U.S. Census Bureau, 2022 Census of Governments — Government Units listing (independent special districts)

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