Warren County , Illinois

Warren County: County in Illinois, United States

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

About

Warren County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 17,707 and a population density of 33 people per km². After 10 years in 2020 county had an estimated population of 2,020 inhabitants. Its county seat is Monmouth. The county was created 196 years ago in 1824.

Warren County Courthouse in Monmouth image
Warren County Courthouse in Monmouth
Warren County Courthouse in Monmouth image

Geography

Warren County is located at 40°50'56"N 90°36'54"W (40.8488300, -90.6150300). It has 5 neighbors: Fulton County, Henderson County, Knox County, McDonough County and Mercer County.

Warren County map

The largest city of Warren County is Monmouth with a population of 1,003. Other cities include and Berwick population 300. See all Warren County cities & populated places.

Weather

Warren County forecast: Sunny, with a high near 86. more

Warren County Quick Facts

Population : 16,696 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Warren County, Warren County, Warren County, Warren County, Warren County, Warren County, Warren County, Warren County, Warren County, Warren County, Warren County, Warren County, Warren County
Area : 543 km2
Water as percent of area : 0.1%
Land as percent of area : 99.9%
Named for : Joseph Warren
Capital : Monmouth
Establishment : January 01, 1825
Time Zone : America/Chicago
Local time : 17:49:22 (19th September 2021)
Density : 31 Pop. per km² as of 2020
Population growth : -6.06% (2010-2020)
Weather : 86℉ Sunny 7-days weather

Warren County has 5 neighbours.

Demographics

According to census records, the population of Warren County decreased by 6.06% in 10 years.

Year Population % Change Method
2010 17,707 - census
2011 17,836 0.72% estimation process
2012 17,749 -0.49% estimation process
2013 17,662 -0.49% estimation process
2014 17,712 0.28% estimation process
2015 17,455 -1.47% estimation process
2016 17,294 -0.93% estimation process
2017 17,144 -0.87% estimation process
2018 16,992 -0.89% estimation process
2019 16,844 -0.88% estimation process
2020 16,696 -0.89% estimation process

Comitatul Warren, Comte de Warren, Comté de Warren, Condado de Warren, Condado han Warren, Contea di Warren, Hrabstwo Warren, Okrug Voren, Oworen srjan, Quan Warren, Quận Warren, Uorren, Uorun, Vorren, Warren, Warren Comitatus, Warren Kun, Warren Kūn, Warren konderria, Warren megye, mqatʿt waryn, raarena ka'unti, shhrstan warn aylynwy, u~oren jun, wo lun xian, Воррен, Округ Ворен, Уоррен, Уорън, Ուորեն շրջան, شهرستان وارن، ایلینوی, مقاطعة وارين, وارن کاؤنٹی، الینوائے, وارن کاؤنٹی، الینوۓ, ৱারেন কাউন্টি, ウォーレン郡, 沃倫縣

People born in Warren County (5)

People born in Warren County, including football player and coach, athletic administrator, and lawyer Andrew G. Reid, anthropologist and archaeologist Edgar Lee Hewett, activist and journalist Lena Morrow Lewis, you can see a list of people who born in Warren County.

  • Charley Reynolds (American soldier) he was born in 01/01/1842
  • Issac Grundy Davidson (American photographer) he was born in 01/01/1845

Other places with the same name (14)

Warren County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Warren County.

City Name Population Title
Monmouth 1,003 City in Warren County, Illinois, United States
Alexis 778 Village in Mercer and Warran counties in Illinois, United States
Kirkwood 670 Village in Warren County, Illinois, United States
Greenbush 508 Township in Warren County, Illinois
Coldbrook 452 Township in Warren County, Illinois
Little York 304 Village in Warren County, Illinois, United States
Berwick 300 Unincorporated community in Illinois
Roseville 257 Village in Illinois

Illinois Other Counties (more counties)

County Name Population Title
Cook County 5,108,284 County in Illinois, United States
Chicago 2,677,643 City and county seat of Cook County, Illinois, United States
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
Markham 328,966 City in Cook County, Illinois, 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 City in Kane County, Illinois, United States
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