US ZIP Code Map

City

Portland, IA ZIP codes

2 ZIPs.

ACS population

31,060

Median household income

$75,072

Median home value

$139,600

Map of Portland

ZIP code map

ZIP share of this city

Population share

ZIP codes in Portland

ZIPCityCountyPopulationIncome
50401Mason CityCerro Gordo County28,818$63,807
50458Nora SpringsFloyd County2,242$86,336