Illinois
2,821 jurisdictions across counties, municipalities, and townships.
Counties 102
Municipalities 1,294
- Village of Northfield pop. 5,634
- Village of Norwood pop. 430
- Village of Oak Brook pop. 8,086
- Village of Oak Grove pop. 470
- Village of Oak Lawn pop. 57,013
- Village of Oak Park pop. 53,224
- Village of Oakdale pop. 196
- Village of Oakford pop. 232
- Village of Oakwood pop. 1,307
- Village of Oakwood Hills pop. 2,078
- Village of Oblong pop. 1,367
- Village of Oconee pop. 139
- Village of Odell pop. 989
- Village of Odin pop. 913
- Village of Ogden pop. 721
- Village of Ohio pop. 463
- Village of Ohlman pop. 110
- Village of Okawville pop. 1,362
- Village of Old Mill Creek pop. 164
- Village of Old Ripley pop. 87
- Village of Old Shawneetown pop. 114
- Village of Olmsted pop. 286
- Village of Olympia Fields pop. 4,654
- Village of Omaha pop. 212
- Village of Onarga pop. 1,319
- Village of Oquawka pop. 1,120
- Village of Orangeville pop. 756
- Village of Oreana pop. 866
- Village of Orion pop. 1,741
- Village of Orland Hills pop. 6,725
- Village of Orland Park pop. 57,850
- Village of Oswego pop. 35,316
- Village of Owaneco pop. 218
- Village of Palatine pop. 66,321
- Village of Palestine pop. 1,223
- Village of Palmer pop. 222
- Village of Palmyra pop. 599
- Village of Palos Park pop. 4,871
- Village of Panama pop. 338
- Village of Panola pop. 44
- Village of Papineau pop. 134
- Village of Park Forest pop. 21,261
- Village of Parkersburg pop. 186
- Village of Patoka pop. 523
- Village of Paw Paw pop. 818
- Village of Pawnee pop. 2,715
- Village of Payson pop. 1,007
- Village of Pearl pop. 103
- Village of Pearl City pop. 779
- Village of Pecatonica pop. 2,059
Townships 1,425
- Township of Princeville pop. 1,524
- Township of Prophetstown pop. 2,479
- Township of Proviso pop. 148,114
- Township of Putman pop. 1,932
- Township of Quarry pop. 1,092
- Township of Quincy pop. 39,131
- Township of Quiver pop. 709
- Township of Raccoon pop. 1,542
- Township of Radnor pop. 5,186
- Township of Raleigh pop. 1,082
- Township of Ramsey pop. 1,717
- Township of Randolph pop. 4,219
- Township of Rantoul pop. 10,382
- Township of Raritan pop. 246
- Township of Rawlins pop. 511
- Township of Raymond pop. 1,126
- Township of Raymond pop. 345
- Township of Reading pop. 2,044
- Township of Rector pop. 66
- Township of Reed pop. 6,874
- Township of Reynolds pop. 270
- Township of Rice pop. 349
- Township of Rich pop. 74,482
- Township of Richfield pop. 402
- Township of Richland pop. 347
- Township of Richland pop. 400
- Township of Richland pop. 802
- Township of Richland Grove pop. 2,304
- Township of Richmond pop. 6,774
- Township of Richview pop. 314
- Township of Richwood pop. 514
- Township of Richwoods pop. 5,830
- Township of Ricks pop. 1,219
- Township of Ridge pop. 410
- Township of Ridgeland pop. 319
- Township of Ridgway pop. 855
- Township of Ridott pop. 1,328
- Township of Riley pop. 3,001
- Township of Rio pop. 507
- Township of Ripley pop. 69
- Township of River Forest pop. 11,597
- Township of Riverside pop. 16,272
- Township of Riverside pop. 2,062
- Township of Rivoli pop. 1,046
- Township of Roanoke pop. 2,402
- Township of Roberts pop. 883
- Township of Robinson pop. 9,319
- Township of Rochester pop. 5,493
- Township of Rock Creek pop. 317
- Township of Rock Creek-Lima pop. 2,114