Iroquois County, Illinois

Iroquois County: County in Illinois, United States

About

Iroquois County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 29,718 and a population density of 10 people per km². After 10 years in 2020 county had an estimated population of 26,711 inhabitants. Its county seat is Watseka. The county was created 191 years ago in 1832.

Iroquois County locator map
Location of Iroquois County on Illinois map.

Quick Facts about Iroquois County

Population : 26,711 (2020)
Country : United States of America
State : Illinois (United States)
Area : 2896 km2
Water as percent of area : 0.1%
Land as percent of area : 99.9%
Named for : Iroquois River
Altitude : 653 feet / 199 meters
Capital : Watseka
Establishment : January 01, 1833
Time Zone : America/Chicago
Local time : 21:49:14 (19th April 2024)
Density : 9 Pop. per km² as of 2020
Population growth : -11.26% (2010-2020)
Old Iroquois County Courthouse image
Old Iroquois County Courthouse
Old Iroquois County Courthouse image

Geography

Iroquois County is located at 40°44'50"N 87°49'27"W (40.7472300, -87.8243000). It has 6 neighbors: Vermillion County, Ford County, Kankakee County, Benton County, Montgomery County and Newton County.

Iroquois County map

The largest city of Iroquois County is Watseka with a population of 4,694. Other cities include, Gilman population 1,625, Sheldon population 935, Buckley population 528 and Thawville population 241. See all Iroquois County cities & populated places.

Iroquois County Populated Places (more)

Cities, towns, neighborhoods & other populated places in Iroquois County.

City Name Population Title
Watseka 4,694 City in and county seat of Iroquois County, Illinois, United States
Gilman 1,625 Human settlement in Iroquois County, Illinois, United States of America
Hallock 1,532 Township in Peoria County, Illinois
Clifton 1,297 Village in Chebanse Township, Iroquois County, Illinois, USA
Onarga 1,241 Village in Iroquois County, Illinois, United States of America
Milford 1,155 Village in Milford Township, Iroquois County, Illinois, United States of America
Sheldon 935 Human settlement in Iroquois County, Illinois, United States of America
Cissna Park 771 Village in Pigeon Grove Township, Iroquois County, Illinois, United States
Ashkum 710 Township in Iroquois County, Illinois
Crescent City 547 Village in Illinois, United States
Danforth 542 Township in Iroquois County, Illinois
Buckley 528 Human settlement in Iroquois County, Illinois, United States of America
Loda 396 Township in Iroquois County, Illinois
Martinton 338 Township in Iroquois County, Illinois
Fountain Creek 327 Township in Iroquois County, Illinois
Beaverville 319 Township in Iroquois County, Illinois

Iroquois County has 6 neighbours.

Demographics

According to census records, the population of Iroquois County decreased by 11.26% in 10 years.

Year Population % Change Method
2010 29,718 - census
2011 29,500 -0.74% estimation process
2012 29,267 -0.8% estimation process
2013 28,940 -1.13% estimation process
2014 28,719 -0.77% estimation process
2015 28,522 -0.69% estimation process
2016 28,163 -1.27% estimation process
2017 27,777 -1.39% estimation process
2018 27,484 -1.07% estimation process
2019 27,114 -1.36% estimation process
2020 26,711 -1.51% estimation process

Comitatul Iroquois, Comte d'Iroquois, Comte dIroquois, Comté d'Iroquois, Comté dIroquois, Condado de Iroquois, Condado han Iroquois, Contea di Iroquois, Hrabstwo Iroquois, Irokoj, Irokvaj, Iroquois, Iroquois Comitatus, Iroquois Kun, Iroquois Kūn, Iroquois konderria, Iroquois megye, Irukuoj, Okrug Irokvoj, Quan Iroquois, Quận Iroquois, irakauyisa ka'unti, irokoi jun, mqatʿt ayrwkwy, yi luo kui xian, Іроквай, Ирокой, Иръкуой, Округ Ироквој, Իրոքեզ շրջան, اروکوئی کاؤنٹی, ایروکواے کاؤنٹی، الینوائے, مقاطعة إيروكوي, ইরকৌয়িস কাউন্টি, イロコイ郡, 易洛魁縣

People born in Iroquois County (3)

People born in Iroquois County, including U.S. botanist, botanical collector and scientific illustrator Mary Agnes Chase, politician E. B. Dean, Edmund Hanson, .

List

Illinois Other Counties (more counties)

County Name Population Title
Cook County 5,108,284 County in Illinois, United States
Chicago 2,677,643 The third most populous city in the United States and the center of the Chicago metropolitan area.
DuPage County 917,481 County in Illinois, United States
Lake County 693,593 County in Oregon, United States
Will County 688,726 County in Illinois, United States
Kane County 531,010 County in southern Utah, United States
McHenry County 305,888 County in Illinois, United States
Winnebago County 281,295 County in Illinois, United States
Madison County 262,635 County in Montana, United States
Saint Clair County 258,046 The County of St.
Champaign County 209,192 County in Illinois, United States
Aurora 196,383 The second most populous city in Illinois.
Sangamon County 193,882 County in Illinois, United States
Peoria County 177,652 County in Illinois, United States of America
McLean County 171,256 County in North Dakota, United States
Naperville 147,986 The second most populous city in Illinois.