Ogle County, Illinois

Ogle County: County in Illinois, United States

About

Ogle County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 53,497 and a population density of 27 people per km². After 10 years in 2020 county had an estimated population of 50,306 inhabitants. Its county seat is Oregon. The county was created 189 years ago in 1836.

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

Quick Facts about Ogle County

Population : 50,306 (2020)
Country : United States of America
State : Illinois (United States)
Area : 1977 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Joseph Ogle
Altitude : 853 feet / 260 meters
Capital : Oregon
Establishment : January 01, 1836
Time Zone : America/Chicago
Local time : 17:07:59 (22nd February 2025)
Density : 25 Pop. per km² as of 2020
Population growth : -6.34% (2010-2020)
Oregon Il Ogle County Courthouse16 image
Oregon Il Ogle County Courthouse16
Oregon Il Ogle County Courthouse16 image
Oregon Il Ogle County Courthouse16 image

Geography

Ogle County is located at 42°2'34"N 89°19'14"W (42.0426400, -89.3206500). It has 7 neighbors: Boone County, Carroll County, DeKalb County, Lee County, Stephenson County, Whiteside County and Winnebago County.

Ogle County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Ogle County is Flagg with a population of 12,745. Other cities include, Rochelle population 8,975, Byron population 3,650, Oregon population 3,449 and Davis Junction population 2,344. See all Ogle County cities & populated places.

Ogle County Populated Places (more)

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

City Name Population Title
Flagg 12,745 City in Illinois, United States of America
Rochelle 8,975 City in Ogle County, Illinois, United States
Byron 3,650 City in Ogle County, Illinois, United States
Oregon 3,449 City in Ogle County, Illinois, United States
Mount Morris 2,776 Village in Illinois
Davis Junction 2,344 City in Illinois, United States of America
Polo 2,158 Town in Illinois, USA
Honey Creek 1,437 Township in Adams County, Illinois
Forreston 1,338 City in Illinois, United States of America
Hillcrest 1,216 City in Illinois, United States of America
Stillman Valley 1,043 Valley in Texas, United States of America
White Rock 684 Unincorporated community in Illinois
Grand Detour 652 Census-designated place in Illinois, USA
Creston 642 City in Illinois, United States of America
Maryland 500 Township of Illinois
Monroe Center 429 City in United States of America

Ogle County has 7 neighbours.

Demographics

According to census records, the population of Ogle County decreased by 6.34% in 10 years.

Year Population % Change Method
2010 53,497 - census
2011 53,064 -0.82% estimation process
2012 52,776 -0.55% estimation process
2013 52,266 -0.98% estimation process
2014 51,931 -0.65% estimation process
2015 51,559 -0.72% estimation process
2016 51,148 -0.8% estimation process
2017 50,993 -0.3% estimation process
2018 50,781 -0.42% estimation process
2019 50,643 -0.27% estimation process
2020 50,306 -0.67% estimation process

Comitatul Ogle, Comte d'Ogle, Comte dOgle, Comté d'Ogle, Comté dOgle, Condado de Ogle, Condado han Ogle, Contea di Ogle, Hrabstwo Ogle, Ogl, Ogl srjan, Ogle, Ogle Comitatus, Ogle Kun, Ogle Kūn, Ogle konderria, Ogle megye, Ogul, Okrug Ogl, Quan Ogle, Quận Ogle, ao ge er xian, augle ka'unti, mqatʿt awghl, oguru jun, shhrstan awgl aylynwy, Огл, Огъл, Округ Огл, Оґл, Օգլ շրջան, اوگل کاؤنٹی، الینوائے, اوگلے کاؤنٹی, شهرستان اوگل، ایلینوی, مقاطعة أوغل, ঔগ্লে কাউন্টি, オーグル郡, 奧格爾縣

People born in Ogle County (2)

People born in Ogle County, including physician Sarah Hackett Stevenson, military officer Charles Irving Martin, .

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.