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Mercer County

File:Mercer_County_Courthouse_Image.jpeg · Wikimedia Commons · See Wikimedia Commons

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Mercer County

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Also known as Mercer County, Illinois, Mercer County, IL

county in Illinois, United States

Key facts

Country
United States
State
Illinois
Founded
January 13, 1825
Named after
Hugh Mercer
Seat
Aledo
Largest city
Aledo
Total
569 sq mi (1,470 km )
Land
561 sq mi (1,450 km )
Water
7.5 sq mi (19 km ) 1.3%
Estimate 2025
15,229
Density
28.0/sq mi (10.8/km )
Time zone
UTC−6 ( Central )
Summer dst
UTC−5 ( CDT )
Congressional districts
15th , 17th
Website
www .mercercountyil .org

via Wikipedia infobox

Wikidata facts

Named after
Hugh Mercer
Located in
Illinois
Capital
Aledo
Population
15699
Area
1453
Shares border with
Des Moines County
Official website
www.mercercountyil.org
Image
Mercer County Courthouse Image.jpeg
Households
6477
Show 8 more facts
Commons category
Mercer County, Illinois
inception
1825-01-13
different from
Mercer County
water as percent of area
1.3
native label
Mercer County
per capita income
30493
Sources (8)

via Wikidata · CC0

~8 min read

Encyclopedic overview

Mercer County is a county in Illinois. According to the 2020 census, it had a population of 15,699. Its county seat is Aledo. Mercer County is included in the Davenport-Moline-Rock Island, IA-IL Metropolitan Statistical Area.

History

Excerpted from Wikipedia’s “Mercer County” article, available under the CC BY-SA 4.0 licence.

Gallery (4)

On the map