Hamilton County, Illinois

Hamilton County: County in Illinois, United States

About

Hamilton County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 8,457 and a population density of 7 people per km². After 10 years in 2020 county had an estimated population of 8,084 inhabitants. Its county seat is McLeansboro. The county was created 203 years ago in 1820.

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

Quick Facts about Hamilton County

Population : 8,084 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Hamilton County, Hamilton County, Hamilton County, Hamilton County, Hamilton County, Hamilton County, Hamilton County, Hamilton County, Hamilton County
Area : 1129 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : Alexander Hamilton
Capital : McLeansboro
Establishment : January 01, 1821
Time Zone : UTC−05:00, UTC−06:00
Local time : 06:32:53 (29th March 2024)
Density : 7 Pop. per km² as of 2020
Population growth : -4.61% (2010-2020)
Hamilton County Courthouse IL 2019 image
Hamilton County Courthouse IL 2019
Hamilton County Courthouse IL 2019 image

Geography

Hamilton County is located at 38°4'54"N 88°32'21"W (38.0815700, -88.5391100). It has 6 neighbors: Franklin County, Gallatin County, Jefferson County, Saline County, Wayne County and White County.

Hamilton County map

The largest city of Hamilton County is McLeansboro with a population of 2,730. Other cities include and Dale population 1,205. See all Hamilton County cities & populated places.

Hamilton County Populated Places

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

City Name Population Title
McLeansboro 2,730 City in Illinois
Dale 1,205 Human settlement in Illinois, United States of America
Dahlgren 656 Township in Hamilton County, Illinois
Broughton 198 Village in Hamilton County, Illinois
Flint 76 Township in Pike County, Illinois
Macedonia 64 Village in Hamilton and Franklin counties in the U.
Belle Prairie City 50 Town of the United States

Hamilton County has 6 neighbours.

Demographics

According to census records, the population of Hamilton County decreased by 4.61% in 10 years.

Year Population % Change Method
2010 8,457 - census
2011 8,425 -0.38% estimation process
2012 8,388 -0.44% estimation process
2013 8,348 -0.48% estimation process
2014 8,314 -0.41% estimation process
2015 8,248 -0.8% estimation process
2016 8,186 -0.76% estimation process
2017 8,181 -0.06% estimation process
2018 8,148 -0.41% estimation process
2019 8,116 -0.39% estimation process
2020 8,084 -0.4% estimation process

Comitatul Hamilton, Comte de Hamilton, Comté de Hamilton, Condado de Hamilton, Condado han Hamilton, Contea di Hamilton, Gamil'ton, Hamilton, Hamilton Comitatus, Hamilton Kun, Hamilton Kūn, Hamilton konderria, Hamilton megye, Hrabstwo Hamilton, Khamiltun, Okrug Khamilton, Quan Hamilton, Quận Hamilton, hamiruton jun, han mi er dun xian, hyamilatana ka'unti, mqatʿt hamyltwn, shhrstan hmyltwn aylynwy, Гамильтон, Гамільтон, Округ Хамилтон, Хамилтън, Համիլթոն շրջան, شهرستان همیلتون، ایلینوی, مقاطعة هاميلتون, ہیملٹن کاؤنٹی، الینوائے, ہیملٹن کاؤنٹی، الینوۓ, হ্যামিলটন কাউন্টি, ハミルトン郡, 漢密爾頓縣

People born in Hamilton County (1)

American linguist and cryptanalyst Alva B. Lasswell was born in Hamilton County

Other places with the same name (10)

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.