Mercer County
Sign in to savecounty 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
Article
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