Tazewell County, Illinois

Tazewell County: County in Virginia, United States


Tazewell County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 135,394 and a population density of 101 people per km². After 10 years in 2020 county had an estimated population of 130,777 inhabitants. Its county seat is Tazewell. The county was created 224 years ago in 1799.

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

Quick Facts about Tazewell County

Population : 130,777 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Tazewell County
Area : 1347 km2
Water as percent of area : 0.2%
Land as percent of area : 99.8%
Named for : Henry Tazewell
Altitude : 679 feet / 207 meters
Capital : Tazewell
Establishment : December 12, 1799
Time Zone : America/Chicago
Local time : 02:53:34 (24th May 2024)
Density : 97 Pop. per km² as of 2020
Population growth : -3.53% (2010-2020)
TazewellCoCH image
TazewellCoCH image


Tazewell County is located at 40°30'27"N 89°30'48"W (40.5075200, -89.5134200). It has 6 neighbors: Russell County, Buchanan County, McDowell County, Bland County, Smyth County and Mercer County.

Tazewell County map

The largest city of Tazewell County is Pekin with a population of 31,808. Other cities include, East Peoria population 22,344, Washington population 16,395, Marquette Heights population 2,617 and Mackinaw population 2,430. See all Tazewell County cities & populated places.

Tazewell County Populated Places (more)

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

City Name Population Title
Pekin 31,808 County seat of Tazewell County, Illinois
East Peoria 22,344 City on the Illinois River in Tazewell County, Illinois, USA
Washington 16,395 City in Tazewell County, Illinois
Morton 16,232 Village in Tazewell County, Illinois
Creve Coeur 5,109 Village in Illinois, United States
Marquette Heights 2,617 City in Tazewell County, Illinois, United States
Mackinaw 2,430 City in Tazewell County, Illinois, United States of America
Wesley 2,130 Township in Will County, Illinois
Tremont 2,114 City in Itawamba County, Mississippi, United States of America
Delavan 1,596 Township in Tazewell County, Illinois
North Pekin 1,530 Village in Illinois, USA
Minier 1,180 City in Tazewell County, Illinois, United States of America
South Pekin 1,081 Village in Illinois, USA
Hopedale 998 Township in Tazewell County, Illinois
Dillon 957 Human settlement in United States of America
Cooper 862 Unincorporated community in Illinois

Tazewell County has 6 neighbours.


According to census records, the population of Tazewell County decreased by 3.53% in 10 years.

Year Population % Change Method
2010 135,394 - census
2011 135,850 0.34% estimation process
2012 136,127 0.2% estimation process
2013 136,266 0.1% estimation process
2014 135,353 -0.67% estimation process
2015 134,302 -0.78% estimation process
2016 133,932 -0.28% estimation process
2017 133,489 -0.33% estimation process
2018 132,450 -0.78% estimation process
2019 131,803 -0.49% estimation process
2020 130,777 -0.78% estimation process

Comitatul Tazewell, Comte de Tazewell, Comté de Tazewell, Condado de Tazewell, Condado han Tazewell, Contea di Tazewell, Hrabstwo Tazewell, Okrug Tazvel, Quan Tazewell, Quận Tazewell, Tazewell, Tazewell Comitatus, Tazewell Kun, Tazewell Kūn, Tazewell konderria, Tazewell megye, Tazewelli maakond, Tazuehll, Tazvell, Tejzuel, mqatʿt tyzwyl, ta zi wei er xian, tajaraela ka'unti, teizuu~eru jun, Округ Тазвел, Тазвелл, Тазуэлл, Тейзуел, Թազվել շրջան, مقاطعة تيزويل, ٹیزول کاؤنٹی، الینوۓ, ٹیزویل کاؤنٹی، الینوائے, তাজৱেল কাউন্টি, テイズウェル郡, 塔茲韋爾縣

People born in Tazewell County (10)

People born in Tazewell County, including politician Rees Bowen, Virginia lawyer and politician Henry Bowen, biographer Peter Harvey, .


  • Fred Linkous (lacrosse player (1905-1930)) he was born in 01/01/1905
  • William L. Moore (Member of the Virginia House of Delegates) he was born in 31/03/1851
  • Deskin Green (Member of the Virginia House of Delegates) he was born in 01/01/1847
  • Elijah Bristow (American pioneer and Oregon settler) he was born in 28/04/1788
  • Lethia Cousins Fleming (African-American suffragist) she was born in 07/11/1876
  • Robert S. Graham (American football player and coach, 1881-1967) he was born in 09/01/1881
  • David Clinton Gillespie (American mathematician) he was born in 13/12/1877

Other places with the same name (2)

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.