UNION CITY, CA ZIP Code
| City | UNION CITY |
| State | California |
| ZIP Codes count | 1 (see all) |
| Post offices count | 2 (see all) |
| Total population | 74,601 (see all) |
ZIP Code in UNION CITY, California
94587
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of UNION CITY, CA ZIP Codes
| ZIP | TYPE | POPU |
|---|---|---|
| 94587 | STANDARD | 70,828 |
Post offices
ALVARADO — Post Office™ 3861 SMITH ST UNION CITY, CA 94587-9991 |
UNION CITY — Post Office™ 33170 ALVARADO NILES RD UNION CITY, CA 94587-9998 |
Envelope example
On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:
- Recipient's full name
- Full street address
- City, State, and ZIP Code
Using the same format, write the return address in the top left corner.
Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.
Address example
33467 6TH ST
UNION CITY CA 94587-2422
UNION CITY CA 94587-2422
2755 DOWE AVE
UNION CITY CA 94587-3116
UNION CITY CA 94587-3116
4510 JANAE CT
UNION CITY CA 94587-4727
UNION CITY CA 94587-4727
293 OAHU CIR
UNION CITY CA 94587-4211
UNION CITY CA 94587-4211
32947 PULASKI DR
UNION CITY CA 94587-1304
UNION CITY CA 94587-1304
32508 SHIELA CT
UNION CITY CA 94587-5053
UNION CITY CA 94587-5053
Map
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Census data for UNION CITY, CA
Demographic and housing estimates in UNION CITY, CA
| Total population | 74,601 |
| Male | 38,120 |
| Female | 36,481 |
| Total population | 74,601 |
| Under 5 years | 4,264 |
| 5 to 9 years | 3,783 |
| 10 to 14 years | 3,610 |
| 15 to 19 years | 3,889 |
| 20 to 24 years | 4,617 |
| 25 to 34 years | 13,251 |
| 35 to 44 years | 10,506 |
| 45 to 54 years | 9,941 |
| 55 to 59 years | 5,110 |
| 60 to 64 years | 4,157 |
| 65 to 74 years | 6,902 |
| 75 to 84 years | 2,978 |
| 85 years and over | 1,593 |
| Median age (years) | 38.4 |
| Under 18 years | 14,063 |
| 16 years and over | 62,000 |
| 18 years and over | 60,538 |
| 21 years and over | 58,220 |
| 62 years and over | 13,912 |
| 65 years and over | 11,473 |
| Total population | 74,601 |
| One race | 70,562 |
| White | 14,667 |
| Black or African American | 3,694 |
| American Indian and Alaska Native | 270 |
| Asian | 40,724 |
| Native Hawaiian and Other Pacific Islander | 1,160 |
| Some other race | 10,047 |
| Two or more races | 4,039 |
| Citizen, VOTING AGE 18 and over population | 49,626 |
| Male Citizen, VOTING AGE 18 and over population | 25,122 |
| Female Citizen, VOTING AGE 18 and over population | 24,504 |
Social characteristics in UNION CITY, CA
| Total households | 21,484 |
| Family households (families) | 17,858 |
| Married-couple family | 14,289 |
| Male householder, no wife present, family | 1,138 |
| Female householder, no husband present, family | 2,431 |
| Nonfamily households | 3,626 |
| Average household size | 3.44 |
| Average family size | 3.71 |
Economic characteristics in UNION CITY, CA
| Total households | 21,484 |
| Less than $10,000 | 467 |
| $10,000 to $14,999 | 367 |
| $15,000 to $24,999 | 809 |
| $25,000 to $34,999 | 792 |
| $35,000 to $49,999 | 1,689 |
| $50,000 to $74,999 | 3,014 |
| $75,000 to $99,999 | 3,072 |
| $100,000 to $149,999 | 3,991 |
| $150,000 to $199,999 | 3,307 |
| $200,000 or more | 3,976 |
| Median household income (dollars) | 105,448 |
Housing characteristics in UNION CITY, CA
| Total housing units | 22,455 |
| Occupied housing units | 21,484 |
| Vacant housing units | 971 |
| Total housing units | 22,455 |
| 1-unit, detached | 13,553 |
| 1-unit, attached | 3,032 |
| 2 units | 138 |
| 3 or 4 units | 646 |
| 5 to 9 units | 326 |
| 10 to 19 units | 415 |
| 20 or more units | 3,447 |
| Mobile home | 888 |
| Boat, RV, van, etc. | 10 |
| Total housing units | 22,455 |
| Built 2014 or later | 31 |
| Built 2010 to 2013 | 407 |
| Built 2000 to 2009 | 2,173 |
| Built 1990 to 1999 | 3,568 |
| Built 1980 to 1989 | 4,629 |
| Built 1970 to 1979 | 7,648 |
| Built 1960 to 1969 | 2,464 |
| Built 1950 to 1959 | 778 |
| Built 1940 to 1949 | 255 |
| Built 1939 or earlier | 502 |
| Total housing units | 22,455 |
| 1 room | 319 |
| 2 rooms | 1,486 |
| 3 rooms | 2,514 |
| 4 rooms | 4,614 |
| 5 rooms | 3,949 |
| 6 rooms | 4,114 |
| 7 rooms | 2,570 |
| 8 rooms | 1,796 |
| 9 rooms or more | 1,093 |
| Median rooms | 5.1 |
| Total housing units | 22,455 |
| No bedroom | 366 |
| 1 bedroom | 2,069 |
| 2 bedrooms | 4,823 |
| 3 bedrooms | 7,685 |
| 4 bedrooms | 6,241 |
| 5 or more bedrooms | 1,271 |
| Occupied housing units | 21,484 |
| Owner-occupied | 13,839 |
| Renter-occupied | 7,645 |
| Average household size of owner-occupied unit | 3.43 |
| Average household size of renter-occupied unit | 3.46 |
| Occupied housing units | 21,484 |
| Moved in 2017 or later | 885 |
| Moved in 2015 to 2016 | 2,476 |
| Moved in 2010 to 2014 | 6,818 |
| Moved in 2000 to 2009 | 5,403 |
| Moved in 1990 to 1999 | 2,821 |
| Moved in 1989 and earlier | 3,081 |
| Owner-occupied units | 13,839 |
| Less than $50,000 | 180 |
| $50,000 to $99,999 | 383 |
| $100,000 to $149,999 | 263 |
| $150,000 to $199,999 | 179 |
| $200,000 to $299,999 | 412 |
| $300,000 to $499,999 | 1,842 |
| $500,000 to $999,999 | 9,087 |
| $1,000,000 or more | 1,493 |
| Median (dollars) | 688,800 |
| Owner-occupied units | 13,839 |
| Housing units with a mortgage | 10,109 |
| Housing units without a mortgage | 3,730 |
| Occupied units paying rent | 7,378 |
| Less than $500 | 216 |
| $500 to $999 | 307 |
| $1,000 to $1,499 | 925 |
| $1,500 to $1,999 | 1,976 |
| $2,000 to $2,499 | 2,100 |
| $2,500 to $2,999 | 933 |
| $3,000 or more | 921 |
| Median (dollars) | 2,063 |
| No rent paid | 267 |
Data is based on 2018 Census
ZIP Codes for other locations
State for UNION CITY
California ZIP CodesOther cities in California