Stephenson County, Illinois

Stephenson County: County in Illinois, United States

About

Stephenson County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 47,711 and a population density of 33 people per km². After 10 years in 2020 county had an estimated population of 43,831 inhabitants. Its county seat is Freeport. The county was created 187 years ago in 1836.

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

Quick Facts about Stephenson County

Population : 43,831 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Stephens County, Stephens County, Stephens County
Area : 1463 km2
Water as percent of area : 0.09%
Land as percent of area : 99.91%
Named for : Benjamin Stephenson
Altitude : 781 feet / 238 meters
Capital : Freeport
Establishment : January 01, 1837
Time Zone : America/Chicago
Local time : 20:01:52 (28th March 2024)
Density : 30 Pop. per km² as of 2020
Population growth : -8.85% (2010-2020)
Stephenson County Courthouse image
Stephenson County Courthouse
Stephenson County Courthouse image

Geography

Stephenson County is located at 42°21'6"N 89°39'44"W (42.3517500, -89.6623500). It has 5 neighbors: Carroll County, Jo Daviess County, Ogle County, Green County and Lafayette County.

Stephenson County map

The largest city of Stephenson County is Freeport with a population of 23,447. Other cities include, Lena population 2,680, Loran population 1,327, Rock Grove population 1,296 and Oneco population 1,228. See all Stephenson County cities & populated places.

Stephenson County Populated Places

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

City Name Population Title
Freeport 23,447 City in Illinois
Lena 2,680 Human settlement in Illinois, United States of America
Loran 1,327 Unincorporated community in Illinois, United States
Rock Grove 1,296 Unincorporated community in Illinois
Oneco 1,228 Human settlement in Illinois, United States of America
Kent 787 Human settlement in Illinois, United States of America
Pearl City 772 Village in the United States
Orangeville 737 Human settlement in Illinois, United States of America
Cedarville 675 Human settlement in Stephenson County, Illinois, United States of America
Davis 616 Village in Stephenson County, Illinois, USA
Dakota 459 Town in Stephenson County, Illinois, United States
German Valley 417 Village in Illinois
Rock City 279 Village in Illinois
Winslow 272 Human settlement in Illinois, United States of America
Ridott 149 Human settlement in Illinois, United States of America

Stephenson County has 5 neighbours.

Demographics

According to census records, the population of Stephenson County decreased by 8.85% in 10 years.

Year Population % Change Method
2010 47,711 - census
2011 47,323 -0.82% estimation process
2012 46,886 -0.93% estimation process
2013 46,671 -0.46% estimation process
2014 46,269 -0.87% estimation process
2015 45,668 -1.32% estimation process
2016 45,503 -0.36% estimation process
2017 44,997 -1.12% estimation process
2018 44,797 -0.45% estimation process
2019 44,498 -0.67% estimation process
2020 43,831 -1.52% estimation process

Comitatul Stephenson, Comte de Stephenson, Comté de Stephenson, Condado de Stephenson, Condado han Stephenson, Contea di Stephenson, Hrabstwo Stephenson, Okrug Stivenson, Quan Stephenson, Quận Stephenson, Stephenson, Stephenson Comitatus, Stephenson Kun, Stephenson Kūn, Stephenson konderria, Stephenson megye, Stivenson, Stivenson srjan, Stivunsun, mqatʿt styfynswn, si di fen sen xian, stibhenasana ka'unti, sutibunson jun, Округ Стивенсон, Стивенсон, Стивънсън, Стівенсон, Ստիվենսոն շրջան, سٹیفنسن کاؤنٹی, سٹیفنسن کاؤنٹی، الینوائے, مقاطعة ستيفينسون, স্টিভেনশন কাউন্টি, スティーブンソン郡, 斯蒂芬森縣

People born in Stephenson County (2)

People born in Stephenson County, including politician Homer F. Aspinwall, biologist, botanist, zoologist and entomologist Harrison Garman, .

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.