Adams County , Illinois

Adams County: County in Illinois, United States

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

About

Adams County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 67,103 and a population density of 30 people per km². After 9 years in 2019 county had an estimated population of 65,435 inhabitants. Its county seat is Quincy. The county was created 196 years ago in 1824.

Geography

Adams County is located at 39°59'16"N 91°11'19"W (39.9878900, -91.1884900). It has 6 neighbors: Brown County, Pike County, Marion County, Hancock County, Schuyler County and Lewis County.

Adams County Courthouse  Quincy image
Adams County Courthouse Quincy

The largest city of Adams County is Quincy with a population of 39,949. Other cities include, Spring Valley population 5,125, Burton population 4,898, Clayton population 673 and Golden population 617. See all Adams County cities & populated places.

Adams County Courthouse  Quincy image

Adams County map

Adams County Quick Facts

Population : 65,435 (2019)
Country : United States of America
State : Illinois (United States)
Different from : Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County, Adams County
Area : 2257 km2
Official name : Adams
Water as percent of area : 1.9%
Land as percent of area : 98.1%
Named for : John Quincy Adams
Capital : Quincy
Establishment : January 01, 1825
Time Zone : America/Chicago
Local time : 04:41:08 (27th July 2021)
Density : 29 Pop. per km² as of 2019
Population growth : -2.55% (2010-2019)

Adams County has 6 neighbours.

Demographics

According to census records, the population of Adams County decreased by 2.55% in 9 years.

Year Population % Change Method
2010 67,103 - census
2011 67,211 0.16% estimation process
2012 67,139 -0.11% estimation process
2013 66,999 -0.21% estimation process
2014 66,966 -0.05% estimation process
2015 66,835 -0.2% estimation process
2016 66,475 -0.54% estimation process
2017 66,057 -0.63% estimation process
2018 65,623 -0.66% estimation process
2019 65,435 -0.29% estimation process

Adams, Adams Comitatus, Adams Kun, Adams Kūn, Adams konderria, Adams megye, Adamsi srjan, Comitatul Adams, Comte d'Adams, Comte dAdams, Comté d'Adams, Comté dAdams, Condado de Adams, Condado han Adams, Contea di Adams, Hrabstwo Adams, Okrug Adams, Quan Adams, Quận Adams, adamuzu jun, mqatʿt admz, shhrstan adamz aylynwy, ya dang si xian, Адамс, Округ Адамс, Ադամսի շրջան, ایڈمز کاؤنٹی, ایڈمز کاؤنٹی، الینوائے, شهرستان آدامز، ایلینوی, مقاطعة آدمز, অ্যাডামস কাউন্টি, アダムズ郡, 亞當斯縣

People born in Adams County (2)

People born in Adams County, including botanist William Conklin Cusick, physician James Asher Richardson, you can see a list of people who born in Adams County.

Other places with the same name (11)

Adams County Populated Places (more)

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

City Name Population Title
Quincy 39,949 County seat of Adams County, Illinois, United States
Spring Valley 5,125 City in Illinois, United States
Burton 4,898 Human settlement in United States of America
Adams 1,555 Civil town in Adams County, Wisconsin
Kingston 1,169 Village in Illinois, USA
Camp Point 1,093 Village in Adams County, Illinois, United States
Payson 990 Village in Illinois, United States
Mendon 961 Village in Illinois
Clayton 673 City in Illinois, United States of America
Golden 617 City in Illinois, United States of America
Ursa 605 Village in Adams County, Illinois, United States
Fall Creek 512 Unincorporated community in Illinois, United States
Liberty 503 Village in Illinois, United States
Richfield 397 Township in Adams County, Illinois
Beverly 394 Unincorporated community in Illinois
Loraine 302 Human settlement in Illinois, United States of America

Illinois Other Counties (more counties)

County Name Population Title
Illinois 12,671,821 State of the United States of America
Cook County 5,150,233 County in Illinois, United States
Chicago 2,693,976 City and county seat of Cook County, Illinois, United States
DuPage County 922,921 County in Illinois, United States
Lake County 696,535 County in Oregon, United States
Will County 690,743 County in Illinois, United States
Kane County 532,403 County in southern Utah, United States
Markham 328,966 City in Cook County, Illinois, United States
McHenry County 307,774 County in Illinois, United States
Winnebago County 282,572 County in Illinois, United States
Madison County 262,966 County in Montana, United States
Saint Clair County 259,686 The County of St.
Champaign County 209,689 County in Illinois, United States
Sangamon County 194,672 County in Illinois, United States
Peoria County 179,179 County in Illinois, United States of America
McLean County 171,517 County in North Dakota, United States

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