None of the households in Rock Island County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
95.4% of the residents in Rock Island County, IL are U.S. citizens.
The largest universities in Rock Island County, IL are Black Hawk College (1,064 degrees awarded in 2023), Augustana College (793 degrees), and Trinity College of Nursing & Health Sciences (60 degrees).
In 2024, the median property value in Rock Island County, IL was $150,400, and the homeownership rate was 69.7%.
Most people in Rock Island County, IL drove alone to work, and the average commute time was 19.7 minutes. The average car ownership in Rock Island County, IL was 2 cars per household.
Rock Island County, IL borders Henry County, IL, Mercer County, IL, Whiteside County, IL, Clinton County, IA, Louisa County, IA, Muscatine County, IA, and Scott County, IA.