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County · GEOID 17161

Rock Island County, IL ZIP codes

21 ZIP/ZCTAs intersecting this county.

ACS 2023 population

142,995

Median household income

$66,768

Median home value

$144,700

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Rock Island County (GEOID 17161). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 151,635 (21 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

Rock Island County, IL ZIP code map

Census ZIP Code Tabulation Areas in Rock Island County, IL
ZIP Code Tabulation Areas inside Rock Island County, IL. Boundaries: U.S. Census Bureau. Methodology · Data sources
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ZIP/ZCTA overlap with Rock Island County

Population overlap

Share of each ZIP/ZCTA’s population located within Rock Island County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Rock Island County

ZIPCityCountyPopulationIncome
61201Rock IslandRock Island County37,294$57,260
61232AndalusiaRock Island County1,498$71,806
61236BarstowRock Island County43$76,250
61237Buffalo PrairieRock Island County0—
61239Carbon CliffRock Island County1,138$33,523
61240Coal ValleyRock Island County5,988$108,929
61242CordovaRock Island County1,135$95,804
61244East MolineRock Island County23,288$66,827
61256HamptonRock Island County1,946$86,679
61257HillsdaleRock Island County866$62,000
61259Illinois CityRock Island County1,107$88,550
61264MilanRock Island County10,056$78,285
61265MolineRock Island County43,851$63,910
61272New BostonMercer County1,463$65,893
61273OrionHenry County3,028$103,438
61275Port ByronRock Island County4,226$99,583
61278Rapids CityRock Island County671$84,000
61279ReynoldsRock Island County960$87,279
61281SherrardMercer County2,610$96,295
61282SilvisRock Island County8,345$67,833
61284Taylor RidgeRock Island County2,122$98,491

USPS associates these ZIPs with Rock Island County

These codes list Rock Island County as a primary or acceptable city. They are not used for the ACS headline.