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Cities and Towns in the United States > State Illinois > Rock Island County
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Rock Island County, located in the state of Illinois, is recognized for its rich history and diverse attractions. Visitors can explore the majestic Rock Island Arsenal, a historic U.S. Army installation and home to the commanding Rock Island National Cemetery. The county also boasts the scenic Rock Island County Forest Preserve, offering picturesque natural landscapes and outdoor recreational opportunities. Additionally, the stunning Black Hawk State Historic Site provides insights into the area's Native American heritage. With its vibrant community and significant historical landmarks, Rock Island County offers a blend of cultural, natural, and historical significance for visitors and locals alike.

Get the contact information for all cities and towns in this county. Find general information, official websites, email, phone numbers, addresses, and much more.

Rock Island County administration contact details

Rock Island county administration contact details1504 Third Avenue, Rock Island, IL 61201
County seatRock Island
Phone number(309) 558-3605
Official websitehttps://www.rockislandcounty.org/
County clerkKaren Kinney
County auditorApril Palmer
County fiscal officerApril Palmer
County permits office or building department contact details(309) 558-3771
County commissionerRichard "Quijas" Quijas

Rock Island County, IL Sheriff's Office and Jail Information

Number of prisons1
Jail namesRock Island County Jail
Sheriff office address1317 Third Avenue, Rock Island, IL 61201
Sheriff office phone number309-794-1230
Inmate search informationTo locate an inmate in Rock Island County, visit the sheriff's office website or contact the office directly for assistance.
Clerk of Court nameTammy R. Weikert
Clerk of Court address210 15th Street, Rock Island, IL 61201

Rock Island County (IL) Statistics

Number of cities/towns/villages1
Population38,000
Area17 sq mi
Density2,235 /sq mi
Altitude594 ft
Median Household Income$47,000
Poverty rate18%
Unemployment rate5%
Educational Attainment (Bachelor's Degree or higher)24%
Crime rate35/1,000

Environmental risk in Rock Island County, IL

Overall riskRelatively Low
Expected Annual LossRelatively Low
Social VulnerabilityRelatively High
Community ResilienceVery High
Avalanche RiskNot Applicable
Coastal Flooding RiskNot Applicable
Cold Wave RiskRelatively High
Drought RiskRelatively Low
Earthquake RiskVery Low

Data obtained from the FEMA National Risk Index.

counties surrounding Rock Island

Scott 12.1 milesMercer 20.2 milesHenry 23.9 miles
Muscatine 28.3 milesClinton 29.8 milesCedar 36 miles

List of cities and towns in Rock Island County by population size

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Birth certificate - U.S. Vital Records