US ZIP Code Map

City

Janesville, IA ZIP codes

2 ZIPs, including 50647 as primary city.

ACS population

14,728

Median household income

$90,501

Median home value

$249,900

Map of Janesville

ZIP code map

ZIP share of this city

Population share

ZIP codes in Janesville

ZIPCityCountyPopulationIncome
50647JanesvilleBremer County2,073$98,052
50677WaverlyBremer County12,655$82,950