US ZIP Code Map

City

Rock Island, WA ZIP codes

1 ZIP, including 98850 as primary city.

ACS population

1,825

Median household income

$76,250

Median home value

$331,100

Map of Rock Island

ZIP code map

ZIP share of this city

Population share

ZIP codes in Rock Island

ZIPCityCountyPopulationIncome
98850Rock IslandDouglas County1,825$76,250