Mercer County , Illinois

Mercer County: County in Illinois, United States

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

About

Mercer County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 16,434 and a population density of 11 people per km². After 9 years in 2019 county had an estimated population of 15,437 inhabitants. Its county seat is Aledo. The county was created 196 years ago in 1825.

Geography

Mercer County is located at 41°12'19"N 90°44'29"W (41.2053400, -90.7414100). It has 7 neighbors: Des Moines County, Louisa County, Henderson County, Henry County, Knox County, Rock Island County and Warren County.

Mercer County Courthouse Image. image
Mercer County Courthouse Image.

The largest city of Mercer County is Aledo with a population of 3,432. Other cities include, Burgess population 2,272, New Windsor population 782, Matherville population 662 and Sherrard population 594. See all Mercer County cities & populated places.

Weather

Mercer County forecast: Sunny, with a high near 80. more

Mercer County Courthouse Image. image

Mercer County map

Mercer County Quick Facts

Population : 15,437 (2019)
Country : United States of America
State : Illinois (United States)
Different from : Mercer County, Mercer County, Mercer County, Mercer County, Mercer County, Mercer County, Mercer County
Area : 1453 km2
Water as percent of area : 1.3%
Land as percent of area : 98.7%
Named for : Hugh Mercer
Capital : Aledo
Establishment : January 01, 1825
Time Zone : America/Chicago
Local time : 16:34:51 (3rd August 2021)
Density : 11 Pop. per km² as of 2019
Population growth : -6.46% (2010-2019)
Weather : 80℉ Sunny 7-days weather

Mercer County has 7 neighbours.

Demographics

According to census records, the population of Mercer County decreased by 6.46% in 9 years.

Year Population % Change Method
2010 16,434 - census
2011 16,316 -0.72% estimation process
2012 16,163 -0.95% estimation process
2013 16,075 -0.55% estimation process
2014 15,901 -1.09% estimation process
2015 15,746 -0.98% estimation process
2016 15,602 -0.92% estimation process
2017 15,608 0.04% estimation process
2018 15,551 -0.37% estimation process
2019 15,437 -0.74% estimation process

Comitatul Mercer, Comte de Mercer, Comté de Mercer, Condado de Mercer, Condado han Mercer, Contea di Mercer, Hrabstwo Mercer, Mercer, Mercer Comitatus, Mercer Kun, Mercer Kūn, Mercer konderria, Mercer megye, Merser, Merser srjan, Mursur, Okrug Merser, Quan Mercer, Quận Mercer, mararsera ka'unti, masa jun, mo se xian, mqatʿt myrsyr, shhrstan mrsr aylynwy, Мерсер, Мърсър, Округ Мерсер, Մերսեր շրջան, شهرستان مرسر، ایلینوی, مرسر کاؤنٹی، الینوائے, مرسر کاؤنٹی، الینوۓ, مقاطعة ميرسير, মারর্সের কাউন্টি, マーサー郡, 默瑟縣

People born in Mercer County (4)

People born in Mercer County, including United States federal judge Orie Leon Phillips, mayor William Arthur Ginn, academic Ida Morey Riley, you can see a list of people who born in Mercer County.

Other places with the same name (7)

Mercer County Populated Places

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

City Name Population Title
Aledo 3,432 City in Mercer County, Illinois, United States
Burgess 2,272 Unincorporated community in Illinois
Preemption 1,654 Township in Mercer County, Illinois
Viola 888 Village in Illinois, United States
New Windsor 782
Millersburg 697 Township in Mercer County, Illinois
Matherville 662 Human settlement in Illinois, United States of America
New Boston 650 Township in Mercer County, Illinois
Sherrard 594 Human settlement in Illinois, United States of America
Keithsburg 580 Township in Mercer County, Illinois, United States
Norwood 459 Village in Peoria County, Illinois, United States
Eliza 390 Unincorporated community in Illinois
Joy 382 Village in Illinois, United States
North Henderson 174 Township in Mercer County, Illinois

Illinois Other Counties (more counties)

County Name Population Title
Illinois 12,671,821 State of the United States of America
Cook County 5,150,233 County in Illinois, United States
Chicago 2,693,976 City and county seat of Cook County, Illinois, United States
DuPage County 922,921 County in Illinois, United States
Lake County 696,535 County in Oregon, United States
Will County 690,743 County in Illinois, United States
Kane County 532,403 County in southern Utah, United States
Markham 328,966 City in Cook County, Illinois, United States
McHenry County 307,774 County in Illinois, United States
Winnebago County 282,572 County in Illinois, United States
Madison County 262,966 County in Montana, United States
Saint Clair County 259,686 The County of St.
Champaign County 209,689 County in Illinois, United States
Sangamon County 194,672 County in Illinois, United States
Peoria County 179,179 County in Illinois, United States of America
McLean County 171,517 County in North Dakota, United States

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