Henry County
Also known as Henry County, Illinois, Henry County, IL
county in Illinois, United States
Key facts
- Country
- United States
- State
- Illinois
- Founded
- January 13, 1825
- Named after
- Patrick Henry
- Seat
- Cambridge
- Largest city
- Kewanee
- Total
- 826 sq mi (2,140 km )
- Land
- 823 sq mi (2,130 km )
- Water
- 2.7 sq mi (7.0 km ) 0.3%
- Estimate 2025
- 48,095
- Density
- 59.9/sq mi (23.1/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
Article
Henry County is a county located in the U.S. state of Illinois. The 2020 United States census listed its population at 49,284. Its county seat is Cambridge. Henry County is included in the Davenport-Moline-Rock Island, IA-IL Metropolitan Statistical Area.
History
Gallery (7)
On the map
2 mapped locations