Alexander County , Illinois

Alexander County: County in Illinois, United States

About

Alexander County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 8,238 and a population density of 13 people per km². After 10 years in 2020 county had an estimated population of 5,497 inhabitants. Its county seat is Cairo. The county was created 202 years ago in 1819.

Alexander County Quick Facts

Population : 5,497 (2020)
Country : United States of America
State : Illinois (United States)
Different from : Alexander County
Area : 654 km2
Water as percent of area : 6.8%
Land as percent of area : 93.2%
Named for : William M. Alexander
Capital : Cairo
Establishment : March 03, 1819
Time Zone : America/Chicago
Local time : 06:25:28 (26th January 2022)
Density : 8 Pop. per km² as of 2020
Population growth : -49.86% (2010-2020)
Alexander County locator map
Location of Alexander County on Illinois map.
US Post Office and Court House  Cairo image
US Post Office and Court House Cairo
US Post Office and Court House  Cairo image

Geography

Alexander County is located at 37°11'30"N 89°20'16"W (37.1916000, -89.3376400). It has 6 neighbors: Pulaski County, Union County, Ballard County, Cape Girardeau County, Mississippi County and Scott County.

Alexander County map

The largest city of Alexander County is Cairo with a population of 1,989. Other cities include, Unity population 1,341, Olive Branch population 864, Tamms population 449 and McClure population 285. See all Alexander County cities & populated places.

Alexander County Populated Places

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

City Name Population Title
Cairo 1,989 City in Illinois, United States
Unity 1,341 Unincorporated community in Illinois
Olive Branch 864 City in Alexander County, Illinois, United States of America
Tamms 449 City in Alexander County, Illinois, United States of America
Thebes 303 Village in Illinois, USA
McClure 285 Human settlement in United States of America
East Cape Girardeau 268 Town

Alexander County has 6 neighbours.

Demographics

According to census records, the population of Alexander County decreased by 49.86% in 10 years.

Year Population % Change Method
2010 8,238 - census
2011 7,992 -3.08% estimation process
2012 7,717 -3.56% estimation process
2013 7,238 -6.62% estimation process
2014 7,083 -2.19% estimation process
2015 6,762 -4.75% estimation process
2016 6,459 -4.69% estimation process
2017 6,278 -2.88% estimation process
2018 6,041 -3.92% estimation process
2019 5,761 -4.86% estimation process
2020 5,497 -4.8% estimation process

Aleksander, Aleksandr, Aleksandur, Alexander, Alexander Comitatus, Alexander Kun, Alexander Kūn, Alexander konderria, Alexander megye, Alexanderi maakond, Comitatul Alexander, Comte d'Alexander, Comte dAlexander, Comté d'Alexander, Comté dAlexander, Condado de Alexander, Condado han Alexander, Contea di Alexander, Hrabstwo Alexander, Okrug Aleksander, Quan Alexander, Quận Alexander, alekajandara ka'unti, arekusanda jun, mqatʿt alykzandr, shhrstan alksandr aylynwy, ya li shan da xian, Александер, Александр, Александър, Округ Александер, Ալեքսանդր շրջան, الیگزنڈر کاؤنٹی, الیگزینڈر کاؤنٹی، الینوائے, شهرستان الکساندر، ایلینوی, مقاطعة أليكزاندر, আলেকজান্ডার কাউন্টি, アレクサンダー郡, 亞歷山大縣

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 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