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Grundy County

File:Grundy_County_Courthouse_(7395451684).jpg · Wikimedia Commons · See Wikimedia Commons

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Grundy County

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Also known as Grundy County, Illinois, Grundy County, IL

county in Illinois, United States

Key facts

Country
United States
State
Illinois
Founded
February 17, 1841
Named after
Felix Grundy
Seat
Morris
Largest city
Morris
Total
430 sq mi (1,100 km )
Land
418 sq mi (1,080 km )
Water
12 sq mi (31 km ) 2.9%
Estimate 2025
54,052
Density
126/sq mi (48.5/km )
Time zone
UTC−6 ( Central )
Summer dst
UTC−5 ( CDT )
Congressional district
16th
Website
www .grundyco .org

via Wikipedia infobox

Wikidata facts

Named after
Felix Grundy
Located in
Illinois
Capital
Morris
Population
52533
Area
1115
Shares border with
Kankakee County
Official website
www.grundyco.org
Image
Grundy County Courthouse (7395451684).jpg
Households
20071
Show 8 more facts
Commons category
Grundy County, Illinois
different from
Grundy County
water as percent of area
2.9
native label
Grundy County
inception
1841-02-17
per capita income
35483
Sources (9)

via Wikidata · CC0

~7 min read

Encyclopedic overview

Grundy County is located in the U.S. state of Illinois. According to the 2020 census, it has a population of 52,533. Its county seat is Morris. Grundy County is part of the Chicago metropolitan area.

In 2010, the center of population of Illinois was in Grundy County, just northeast of the village of Mazon.

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

Gallery (7)

On the map