US ZIP Code Map

City

Union City, CA ZIP codes

6 ZIPs, including 94587 as primary city.

ACS population

244,654

Median household income

$151,910

Median home value

$1,061,017

Map of Union City

ZIP code map

ZIP share of this city

Population share

ZIP codes in Union City

ZIPCityCountyPopulationIncome
94542HaywardAlameda County14,729$131,989
94544HaywardAlameda County76,739$108,358
94545HaywardAlameda County33,186$115,258
94552Castro ValleyAlameda County14,359$205,170
94555FremontAlameda County37,500$213,488
94587Union CityAlameda County68,141$137,194