Home values, rents and more in Rock Island County, IL
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
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How Rock Island County, IL compares
The typical home in Rock Island County, IL is worth about $157,000, according to the Zillow Home Value Index for September 2026. Home values in Rock Island County, IL are 19% below the typical value in the Davenport metro area ($195,000) and 57% below the U.S. typical value ($366,000).
Over the past year, home values in Rock Island County, IL rose 3.9%, compared with +4.8% in the Davenport metro area and +1.2% nationally.
Typical rent is $950 a month (Zillow Observed Rent Index), 5% below the Davenport metro area ($1,003) and 51% below the U.S. ($1,932). Rents rose 5.1% over the past year.
The median household income is $67,159, against $72,738 in the Davenport metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 141,869 people live in Rock Island County, IL (Census Bureau estimate for July 2025).
Rock Island County, IL has the lowest typical home value of the 4 counties in the Davenport metro area and the 49th-lowest of 102 in Illinois with Zillow figures.
Part of: Davenport metro area · Illinois
More for Rock Island County, IL in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- School test scores
- Flood, wildfire and natural hazard risk
- Property-tax rate
- Unemployment and job growth
- Building permits
- Mortgage delinquency
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby counties
Cities in Rock Island County, IL
- Moline, IL $150,000
- Rock Island, IL $125,000
- East Moline, IL $152,000
- Silvis, IL $163,000
- Milan, IL $191,000
- Coal Valley, IL $272,000
- Hampton, IL $210,000
- Port Byron, IL $305,000
- Andalusia, IL $205,000
- Rapids City, IL $246,000
- Coyne Center, IL $181,000
- Cordova, IL $229,000
- Reynolds, IL $200,000
- Hillsdale, IL $150,000
- Illinois City, IL $272,000
ZIP codes in Rock Island County, IL
- 61201 · Rock Island $124,000
- 61232 · Andalusia $207,000
- 61239 · Carbon Cliff $124,000
- 61242 · Cordova $231,000
- 61244 · East Moline $150,000
- 61256 · Hampton $209,000
- 61257 · Hillsdale $164,000
- 61259 · Illinois City $279,000
- 61264 · Milan $189,000
- 61265 · Moline $150,000
- 61275 · Port Byron $305,000
- 61282 · Silvis $165,000
- 61284 · Taylor Ridge $272,000
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.