Cost of Living in Rock Island Arsenal, IL

With a cost of living index of 99, Rock Island Arsenal, IL is right around the national average in cost. Living here is 1% cheaper than the national average and 19% above the Illinois state average of 80. Rock Island Arsenal is a small community of 372 residents.

The median household income in Rock Island Arsenal is $53,472, which is 29% lower than the national median of $75,149. Residents spend roughly 32% of household income on rent. This exceeds the recommended 30% threshold, meaning many renters here are cost-burdened.

Climate is another factor for anyone considering a move to Rock Island Arsenal. The area sees an average annual temperature of 51.2°F, with summers averaging 74°F and winters around 27°F. Annual rainfall totals 38.3 inches spread over roughly 117 days. Cold winters mean higher heating bills, an important cost-of-living consideration.

Everyday prices in the Davenport-Moline-Rock Island, IA-IL (Metropolitan Statistical Area) metro area are generally below the national average. Out of 6 common items tracked by the Bureau of Labor Statistics, 6 are priced lower than the US average. These real-world prices — from groceries to electricity — add up and should be factored into any cost of living comparison.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.