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94552 ZIP Code

ZIP Code: 94552 Castro Valley

Extra Details of ZIP Code 94552

ZIP Code 94552
Zip Code Type Standard
State California - CA
Official Zip Code Name Castro Valley
Primary County Alameda
Area Code (s) 510
Racial Majority White 40.1%
Elevation Range 492 - 1345 ft.

Data: State Statistics Office | Updated on: May 01, 2026

How to write a U.S. envelope?

The first step is to write the recipient address:
First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is also the recipient's name. When writing the recipient's name, pay attention to the title, and write the person's title and name in the middle of the envelope. On the second line, write the recipient's full address, including any associated apartment or suite numbers. The more detailed the better. The third line writes the recipient's city, state, and zip code, this information is the last line of the address.

The second step is to write the reply address:
The return address is three lines, the first line will be the sender's name. The second line writes the sender's detailed address, including the street address, please remember to write the house number. On the third line write your city, state abbr, and zip code.

Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

How to Read Zip Code

Population and Employment

population

15,220

Unemployment Rate
3%
Poverty Rate
2.6%
Non-Citizens
5.2%

Location of Zip Code 94552

On this map you can see exactly where postcodes are located within Germany.

Gender & Age Statistics

Gender

  • Male
    49%
  • Female
    51%

Age

  • <10 years
    9%
  • 10-17 years
    12%
  • 18-34 years
    13%
  • 35-64 years
    47%
  • 65+ years
    18%

94552 Demographics

Racial Diversity

  • White
    33%
  • African American
    7%
  • Hispanic
    11%
  • American Indian or Alaska native
    0%
  • Asian & Other race
    42%

Education Levels

  • Master's degree or above
    25%
  • Bachelor's degree
    36%
  • Some college or associate degree
    25%
  • High school diploma or vocational degree
    9%
  • Less than high school diploma
    5%

94552 Income

Median Household Income

$180,681

National $64,994

Household Income Brackets

  • <$30k
    6%
  • $30-$44k
    3%
  • $45-$84k
    6%
  • $85-$149k
    24%
  • $150k+
    61%

Median Individual Income

$67,986

National $32,197

Individual Income Brackets

  • <$20k
    17%
  • $20-$34k
    11%
  • $35-$74k
    52%
  • $75k+
    19%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Castro Valley, CA. You can find these phone numbers in our phone book. With us, you can easily book a restaurant or hotel in your location. You can also find reputable real estate agents and insurance agents. Everything you need is easily accessible here!

Montecito Landscape
1187 Coast Village Rd # 160,, Santa Barbara, 93108

PuroClean of Clairemont
5595 Magnatron Blvd Suite P, San Diego, 92111

GoodWorkLabs Services Private Limited
7100 Stevenson Boulevard, Fremont, 94538

Alternatives Magazine
2625 Townsgate Rd, Westlake Village, CA, 91361, Westlake Village, 91361

WELUPS – Blockchain & NFT Platform
103rd Ave, Oakland, 94601

Advanced Auto Care
29170 Riverside Dr, Lake Elsinore, 92530

Inkwell Global Marketing
388 Market St. Suite 1300, San Francisco, 94111

pipaani – Digital marketing agency
5985 Vera Cruz Dr, San Jose, CA- 95120., San Jose, 95120

Schools Serving Castro Valley

Library Castro Valley

Castro Valley Library
3600 Norbridge Ave. Castro Valley, CA 94546

Museum Castro Valley

Castro Valley Historical Society
21096 Redwood Rd Castro Valley, CA 94546

Hospital Castro Valley

Eden Medical Center
20103 Lake Chabot Road Castro Valley, CA 94546

University Castro Valley