Richland County, Illinois

Richland County: County in Illinois, United States

About

Richland County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 16,233 and a population density of 17 people per km². After 10 years in 2020 county had an estimated population of 15,507 inhabitants. Its county seat is Olney. The county was created 181 years ago in 1841.

Quick Facts about Richland County

Population : 15,507 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Richland County, Richland County, Richland County, Richland County, Richland County, Richland Parish
Area : 938 km2
Water as percent of area : 0.5%
Land as percent of area : 99.5%
Named for : Richland County
Capital : Olney
Establishment : February 02, 1841
Time Zone : America/Chicago
Local time : 03:56:09 (12th August 2022)
Density : 17 Pop. per km² as of 2020
Population growth : -4.68% (2010-2020)
Richland County locator map
Location of Richland County on Illinois map.
Richland County Courthouse in Olney image
Richland County Courthouse in Olney
Richland County Courthouse in Olney image

Geography

Richland County is located at 38°42'44"N 88°5'6"W (38.7123600, -88.0851000). It has 6 neighbors: Clay County, Crawford County, Jasper County, Lawrence County, Wabash County and Wayne County.

Richland County map

The largest city of Richland County is Olney with a population of 8,667. Other cities include and Parkersburg population 201. See all Richland County cities & populated places.

Richland County Populated Places

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

City Name Population Title
Olney 8,667 City in Richland County, Illinois, United States of America
Amity 807 Township in Livingston County, Illinois
Noble 719 Village in Illinois
Seminary 483 Township in Fayette County, Illinois
Parkersburg 201 Human settlement in Illinois, United States of America
Claremont 168 Village in Richland County, Illinois, United States
Calhoun 164 Village in the United States

Richland County has 6 neighbours.

Demographics

According to census records, the population of Richland County decreased by 4.68% in 10 years.

Year Population % Change Method
2010 16,233 - census
2011 16,190 -0.27% estimation process
2012 16,134 -0.35% estimation process
2013 16,008 -0.79% estimation process
2014 16,020 0.07% estimation process
2015 15,957 -0.39% estimation process
2016 15,829 -0.81% estimation process
2017 15,837 0.05% estimation process
2018 15,695 -0.9% estimation process
2019 15,513 -1.17% estimation process
2020 15,507 -0.04% estimation process

Comitatul Richland, Comte de Richland, Comté de Richland, Condado de Richland, Condado han Richland, Contea di Richland, Hrabstwo Richland, Okrug Richland, Quan Richland, Quận Richland, Richland, Richland Comitatus, Richland Kun, Richland Kūn, Richland konderria, Richland megye, Richlend, Richlund, li qi lan xian, mqatʿt rytshland, ricalyanda ka'unti, ritchirando jun, shhrstan rychlnd aylynwy, Округ Ричланд, Ричленд, Ричлънд, Річленд, Ռիչլենդ շրջան, رچلینڈ کاؤنٹی, رچلینڈ کاؤنٹی، الینوائے, شهرستان ریچلند، ایلینوی, مقاطعة ريتشلاند, রিচল্যান্ড কাউন্টি, リッチランド郡, 里奇蘭縣

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 City and county seat of Cook County, Illinois, United States
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
Markham 328,966 City in Cook County, Illinois, 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 City in Kane County, Illinois, United States
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