Mason County, Illinois

Mason County: County in Illinois, United States

About

Mason County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 14,666 and a population density of 10 people per km². After 10 years in 2020 county had an estimated population of 13,173 inhabitants. Its county seat is Havana. The county was created 183 years ago in 1840.

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

Quick Facts about Mason County

Population : 13,173 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Mason County, Mason County, Mason County, Mason County, Mason County
Area : 1459 km2
Water as percent of area : 4.3%
Land as percent of area : 95.7%
Named for : George Mason
Capital : Havana
Establishment : January 01, 1841
Time Zone : America/Chicago
Local time : 06:25:29 (24th December 2024)
Density : 9 Pop. per km² as of 2020
Population growth : -11.33% (2010-2020)
Mason County Courthouse  Havana image
Mason County Courthouse Havana
Mason County Courthouse  Havana image

Geography

Mason County is located at 40°14'23"N 89°55'0"W (40.2396500, -89.9167800). It has 4 neighbors: Cass County, Fulton County, Logan County and Schuyler County.

Mason County map

The largest city of Mason County is Havana with a population of 2,945. Other cities include, Manito population 1,467, Bath population 306, Easton population 283 and Bishop population 121. See all Mason County cities & populated places.

Mason County Populated Places

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

City Name Population Title
Havana 2,945 City in Mason County, Illinois, United States
Mason City 2,088 Township in Mason County, Illinois
Manito 1,467 Human settlement in Illinois, United States of America
San Jose 587 Village in Logan and Mason counties, Illinois, United States
Allen 536 Township in LaSalle County, Illinois
Bath 306 Human settlement in United States of America
Easton 283 Human settlement in Illinois, United States of America
Kilbourne 271 Township in Mason County, Illinois
Forest City 249 Township in Mason County, Illinois
Bishop 121 Unincorporated community in Illinois
Topeka 69 Town in Mason County, Illinois, United States

Mason County has 4 neighbours.

Demographics

According to census records, the population of Mason County decreased by 11.33% in 10 years.

Year Population % Change Method
2010 14,666 - census
2011 14,471 -1.35% estimation process
2012 14,322 -1.04% estimation process
2013 14,144 -1.26% estimation process
2014 14,103 -0.29% estimation process
2015 13,863 -1.73% estimation process
2016 13,675 -1.37% estimation process
2017 13,677 0.01% estimation process
2018 13,533 -1.06% estimation process
2019 13,359 -1.3% estimation process
2020 13,173 -1.41% estimation process

Comitatul Mason, Comte de Mason, Comté de Mason, Condado de Mason, Condado han Mason, Contea di Mason, Hrabstwo Mason, Mason, Mason Comitatus, Mason Kun, Mason Kūn, Mason konderria, Mason megye, Mejson, Mejsun, Meyson srjan, Okrug Mejson, Quan Mason, Quận Mason, mei sen xian, meison jun, mesana ka'unti, mqatʿt maswn, shhrstan maswn aylynwy, Мейсон, Мейсън, Округ Мејсон, Մեյսոն շրջան, شهرستان ماسون، ایلینوی, مقاطعة ماسون, میسن کاؤنٹی، الینوائے, میسن کاؤنٹی، الینوۓ, মেশন কাউন্টি, メイソン郡, 梅森縣

People born in Mason County (1)

American educator, editor, temperance advocate Margaret Ashmore Sudduth was born in Mason County

Other places with the same name (6)

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.