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Rock Island County, Illinois ZIP code demographics

21 ZIP Code Tabulation Areas in Rock Island County, Illinois. The population-weighted median household income is about $70,381, the median home value about $156,639, and 70.6% of occupied homes are owner-occupied.

21
ZIP codes
151.4K
Population
53
Data points

Rock Island County at a glance

$70,381
Median household income
$156,639
Median home value
40.3
Median age
70.6%
Owner-occupied
70,335
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 Rock Island County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
161240Coal Valley5,79594.1%$113,220
261275East Moline4,25389.4%$108,438
361242Cordova1,13586.8%$104,219
461281Cable2,52092.4%$102,639
561284Edgington2,59989.8%$100,505
Top 5 Rock Island County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
161265Milan43,74867.7%$66,933
261201Milan36,76664.5%$59,396
361244Barstow23,30867%$63,819
461264Andalusia10,07380%$78,068
561282Carbon Cliff8,39458.9%$64,398
Top 5 Rock Island County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
161265Milan43,74867.7%$66,933$861M
261201Milan36,76664.5%$59,396$592.2M
361244Barstow23,30867%$63,819$413.9M
461264Andalusia10,07380%$78,068$300.3M
561240Coal Valley5,79594.1%$113,220$240.7M

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 61282 (Carbon Cliff) at 2,672 people/sq mi. Least dense: 61259 (Illinois City) at 14 people/sq mi.

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