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Marshall County
Sign in to saveAlso known as Marshall County, Illinois, Marshall County, IL
county in Illinois, United States
Key facts
- Country
- United States
- State
- Illinois
- Founded
- January 19, 1839
- Named after
- John Marshall
- Seat
- Lacon
- Largest city
- Henry
- Total
- 399 sq mi (1,030 km )
- Land
- 387 sq mi (1,000 km )
- Water
- 12 sq mi (31 km ) 2.9%
- Estimate 2025
- 11,473
- Density
- 30.3/sq mi (11.7/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- 16th
- Website
- www .marshallcountyillinois .com
via Wikipedia infobox
Official website

Home - Marshall County Government
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marshallcountyillinois.com →Link to the official site · 1,455 chars · not written by Vinony
Wikidata facts
- Official name
- Marshall County
- Population
- 11742
- Area
- 1032
- Official website
- www.marshallcountyillinois.com
- Image
- Lacon Bridge-1.JPG
- Households
- 4922
Show 5 more facts
- water as percent of area
- 2.9
- native label
- Marshall County
- Commons category
- Marshall County, Illinois
- inception
- 1839-01-19
- per capita income
- 29533
Sources (10)
via Wikidata · CC0
~6 min read
Article
Marshall County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 11,742. Its county seat is Lacon. Marshall County is part of the Peoria metropolitan area.
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