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Cities and Towns in the United States > State Illinois > Mercer County
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Mercer County, located in the state of Illinois, is known for its picturesque landscapes and rich history. Visitors can explore the scenic beauty of Shabbona Park and Hopewell Culture National Historical Park, which offer opportunities for hiking, birdwatching, and nature photography. The charming town of Aledo stands out as the county seat, boasting historic architecture and a vibrant community spirit. The annual Mercer County Fair is a highlight, featuring agricultural exhibits, live entertainment, and delicious local cuisine. With its blend of natural attractions and cultural offerings, Mercer County provides a delightful destination for visitors seeking a peaceful getaway in the heart of the Midwest.

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Mercer County administration contact details

Mercer County administration contact detailsNot available
County seatAledo
Phone number(309) 582-5331
Official websiteMercer County Official Website
County clerkSara Blaser
County commissionerBrian Anseeuw

Mercer County, IL Sheriff's Office and Jail Information

Number of prisons1
Jail namesMercer County Jail
Sheriff office address906 SW 3rd St, Aledo, IL 61231
Sheriff office phone number309-582-5194
Inmate search informationTo locate an inmate, contact the Mercer County Jail directly via phone or visit the Sheriff's office website for more information.
Clerk of Court nameKatie Courson
Clerk of Court address100 SE 3rd St, Aledo, IL 61231

Mercer County (IL) Statistics

Number of cities/towns/villages13
Population15,741
Area569 sq mi
Density28 /sq mi
Altitude784 ft
GDP$506M
Median Household Income$53,693
Poverty rate10%
Unemployment rate3%

Environmental risk in Mercer County, IL

Overall riskVery Low
Expected Annual LossVery Low
Social VulnerabilityVery Low
Community ResilienceVery High
Avalanche RiskNot Applicable
Coastal Flooding RiskNot Applicable
Cold Wave RiskRelatively Moderate
Drought RiskRelatively Moderate
Earthquake RiskVery Low

Data obtained from the FEMA National Risk Index.

counties surrounding Mercer

Rock Island 20.2 milesWarren 25.5 milesLouisa 27 miles
Muscatine 27.2 milesHenderson 28.4 milesDes Moines 30.1 miles

List of cities and towns in Mercer County by population size

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Birth certificate - U.S. Vital Records