Illinois, state of the United States of America. As of 2020 state had an estimated population of 12,587,530 inhabitants. The state was created 206 years ago in 1818. Its capital city is Springfield.
There are 90 city/town in Illinois, . The largest city of Illinois is Peoria with a population of 109,428. Other cities include, Palatine population 66,830, Plainfield population 44,542, Park Ridge population 36,514, Pekin population 31,808
From the busy streets of Chicago to the river towns dotting its southern border, Illinois offers a variety of urban attractions and rural charm within its 57,000 square miles. Home to over 12.7 million residents, notable destinations in Illinois include:
Chicago - The largest city in the Midwest, Chicago dazzles with world-class museums like the Art Institute of Chicago, iconic sports teams and venues, deep dish pizza, and stunning lakefront skyline views.
Springfield - Illinois’ capital city, Springfield provides history buffs with Abraham Lincoln sites like his Home and Tomb along with expansive state government buildings.
Galena - Nestled near the Mississippi River, Galena is a beautifully preserved 19th century town with scenic vistas. Its Victorian-era downtown offers shopping, tours, and winery tastings.
Nauvoo - Founded by Mormons in the 1840s, Nauvoo retains its fascinating religious history. Historic homes and buildings like the rebuilt Nauvoo Temple transport visitors back in time.
Champaign-Urbana - Home to the University of Illinois, this twin college town offers innovative dining, cultural events, sports, and entertainment catering to students.
From the big city lights of Chicago to historic small towns, Illinois offers the best of Midwestern metropolitan areas alongside rural escape. Its rivers, lakes, and prairies provide scenic backdrops to favorite destinations.
List of cities, towns, neighborhoods & other populated places in Illinois.
City Name | Title | County | Population |
---|---|---|---|
Peoria | The third most populous city in Illinois. | Peoria | 109,428 |
Palatine | Village in Cook County, Illinois, United States | Cook | 66,830 |
Plainfield | Village in Illinois, United States | Jasper | 44,542 |
Park Ridge | City in Cook County, Illinois, United States | Cook | 36,514 |
Pekin | County seat of Tazewell County, Illinois | Tazewell | 31,808 |
Park Forest | Village in United States of America | Cook | 20,937 |
Palos Hills | City in Illinois, United States | Cook | 16,874 |
Prospect Heights | City in Cook County, Illinois, United States | Cook | 15,702 |
Palos Heights | City in Cook County, Illinois, United States | Cook | 12,375 |
Plano | City in Kendall County, Illinois, United States | Kendall | 11,879 |
Pontiac | City in Illinois, USA | Saint Clair | 11,176 |
Pingree Grove | Village in the United States | Kane | 9,986 |
Peru | City in Illinois, United States | LaSalle | 9,612 |
Paris | City in Illinois | Edgar | 8,144 |
Park City | City in Lake County, Illinois, United States | Lake | 7,438 |
Princeton | City in Illinois, United States | Bureau | 7,403 |
Posen | Village in United States of America | Washington | 5,794 |
Peoria Heights | Village in eastern Peoria County, Illinois | Peoria | 5,722 |
Pontoon Beach | Town | Madison | 5,655 |
Pana | Town in Christian County, Illinois, United States | Christian | 5,327 |
Pinckneyville | City in Perry County, Illinois, United States | Perry | 5,319 |
Poplar Grove | Human settlement | Boone | 5,075 |
Patton | Township of Illinois | Edgar | 4,902 |
Palos Park | Village in Illinois, United States of America | Cook | 4,718 |
Pittsfield | Township in Pike County, Illinois | Pike | 4,165 |
Paxton | City in Ford County, Illinois | Ford | 4,117 |
Peotone | City in United States of America | Will | 4,100 |
Pistakee Highlands | Census designated place | McHenry | 3,454 |
Piasa | Unincorporated community in Illinois | Macoupin | 3,151 |
Pawnee | City in Oklahoma | Sangamon | 2,646 |
Preston Heights | Census designated place | Will | 2,575 |
Petersburg | City in Menard County, Illinois | Saint Clair | 2,207 |
Petersburg | City in Menard County, Illinois | Menard | 2,190 |
Polo | Town in Illinois, USA | Ogle | 2,158 |
Pecatonica | City in Illinois, United States of America | Winnebago | 1,926 |
Prairie Grove | Village in Illinois | McHenry | 1,920 |
Prophetstown | City in Whiteside County, Illinois, United States | Whiteside | 1,919 |
Phoenix | Village in United States of America | Cook | 1,884 |
Princeville | Township in Peoria County, Illinois | Peoria | 1,663 |
Preemption | Township in Mercer County, Illinois | Mercer | 1,628 |
Port Byron | City in Illinois, United States of America | Rock Island | 1,597 |
Port Barrington | City in Illinois, United States of America | McHenry | 1,481 |
Philo | City in Muskingum County, Ohio, United States of America | Champaign | 1,378 |
Pleasant View | Township in Macon County, Illinois | Schuyler | 1,371 |
Paradise | Unincorporated community in Illinois | Coles | 1,293 |
Pleasant Grove | Unincorporated community in Illinois | Johnson | 1,275 |
Palestine | Village in Crawford County, Illinois, US | Crawford | 1,263 |
Preston | Unincorporated community in Illinois, United States | Randolph | 1,203 |
Payson | Village in Illinois, United States | Adams | 980 |
Pleasant Mound | Township in Bond County, Illinois | Bond | 948 |
Percy | City in Illinois, United States of America | Randolph | 910 |
Pleasant Hill | Town | Pike | 903 |
Paw Paw | Human settlement in Illinois, United States of America | Lee | 832 |
Pleasant Plains | Village in Sangamon County, Illinois | Sangamon | 792 |
Pearl City | Village in the United States | Stephenson | 772 |
Pomona | Township of Illinois | Jackson | 755 |
Piper City | Human settlement in Illinois, United States of America | Ford | 746 |
Pocahontas | City in Illinois, United States of America | Bond | 720 |
Potomac | Village in Vermilion County, Illinois | Vermilion | 681 |
Palmyra | Village in Illinois, United States | Macoupin | 654 |
Patterson | Township in Greene County, Illinois | Greene | 580 |
Pittsburg | Village in Illinois | Fayette | 549 |
Prairie du Rocher | City in Illinois, United States of America | Randolph | 548 |
Patoka | Township in Marion County, Illinois | Marion | 544 |
Pierron | Village in Illinois, U. | Madison | 535 |
Polk | City in Illinois, United States of America | Will | 534 |
Pesotum | Township in Champaign County, Illinois | Champaign | 520 |
Plum Hill | Township in Washington County, Illinois | Washington | 507 |
Plymouth | Village in the United States | Hancock | 459 |
Portland | Township in Whiteside County, Illinois, United States of America | Whiteside | 395 |
Perry | Village in the United States | Pike | 371 |
Prairie City | Township in McDonough County, Illinois | McDonough | 344 |
Panama | Village in Illinois | Montgomery | 310 |
Plattville | City in United States of America | Kendall | 257 |
Plainville | Village in the United States | Adams | 253 |
Pleasant Valley | Unincorporated community in Illinois, United States | Jo Daviess | 248 |
Prairie | Unincorporated community in Illinois | Randolph | 244 |
Pleasant Ridge | Township in Livingston County, Illinois | Madison | 234 |
Pike | Unincorporated community in Illinois | Pike | 223 |
Palmer | Village in Christian County, Illinois, United States | Christian | 204 |
Parkersburg | Human settlement in Illinois, United States of America | Richland | 201 |
Philadelphia | Unincorporated community in Illinois | Cass | 198 |
Pulaski | Town in and county seat of Pulaski County, Virginia, United States | Pulaski | 169 |
Parker | Township in Clark County, Illinois | Johnson | 168 |
Point Pleasant | Township in Warren County, Illinois | Jasper | 149 |
Papineau | Township in Iroquois County, Illinois | Iroquois | 147 |
Pearl | Village in Illinois | Pike | 133 |
Pontoosuc | Township in Hancock County, Illinois | Hancock | 132 |
Panola | Township in Woodford County, Illinois | Woodford | 51 |
Phillipstown | Human settlement in Illinois, United States of America | White | 40 |