ZIP 94402 - 860Z200US94402 — Demographic Snapshot (2023)

Explore ZIP 94402 demographics: 25,498 residents, $179,683 median income, $2M home values, and diverse community insights for 2023.

Aug. 31, 2025

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Overview

If you’re considering a move, investment, or business opportunity in ZIP 94402, located in San Mateo, California, this demographic and housing snapshot offers a clear picture of the area in 2023. With a population of over 25,000 and a median household income exceeding $179,000, this ZIP code reflects a prosperous and diverse community. Whether you’re a homebuyer, real estate investor, small-business owner, or analyst, these insights will help you understand the local landscape and make informed decisions.

Population & Households

ZIP 94402 is home to 25,498 residents, making it a moderately sized community with a strong residential presence. These individuals are distributed across 9,944 households, indicating an average household size of roughly 2.5 people. The area also has 10,623 total housing units, suggesting a small buffer of unoccupied or available properties. For families and individuals looking to settle here, this balance of population and housing points to a stable yet competitive market.

Income & Housing Costs

One of the standout features of ZIP 94402 is its high median household income of $179,683, which positions it as an affluent area. This income level supports a robust housing market, with a median house value of $2,000,000. For potential homebuyers or investors, this figure underscores the premium nature of real estate in this ZIP code. Renters, meanwhile, face a median rent of $3,476 per month, reflecting the high cost of living. These metrics suggest that both owning and renting in 94402 require significant financial resources, but they also hint at strong demand and potential for property value appreciation.

Race & Ethnicity

The demographic makeup of ZIP 94402 is notably diverse, offering a multicultural environment that can appeal to a wide range of residents and businesses. The racial composition includes 49.22% White, 26.02% Asian, 14.99% Hispanic, and 1.37% Black residents. This diversity fosters a vibrant community culture, which can be a draw for families seeking an inclusive place to live or for businesses aiming to serve a varied customer base. Understanding this mix is key for anyone looking to connect with or invest in the area.

Key Facts

  • Total population: 25,498 residents in 2023.
  • Total households: 9,944, with an average size of about 2.5 people.
  • Total housing units: 10,623, indicating some availability beyond occupied homes.
  • Median household income: $179,683, reflecting a high-earning community.
  • Median house value: $2,000,000, signaling a premium real estate market.
  • Median rent: $3,476 per month, aligning with the area’s elevated cost of living.
  • Racial diversity: 49.22% White, 26.02% Asian, 14.99% Hispanic, 1.37% Black.

What This Means for You

For homebuyers, ZIP 94402 offers a prestigious address with high property values, but be prepared for a competitive market and significant investment—median home prices at $2,000,000 mean you’ll need substantial capital or financing. Investors and real estate agents can see potential in the strong median income and limited housing supply, which may drive future appreciation, though high entry costs require careful financial planning. Small-business owners will find a wealthy and diverse customer base, ideal for premium products or services, especially those catering to multicultural tastes or family needs. Analysts can use these metrics to benchmark 94402 against other ZIP codes, noting its affluence and diversity as key differentiators. Across all groups, the high cost of living and renting suggests a focus on value-driven offerings or investments.

Run This Study Yourself

  • Curious about other areas or want to dive deeper into ZIP 94402? Use ZipcodeGPT to access detailed demographic and housing data tailored to your needs.
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  • Make data-driven decisions with confidence, whether you’re buying, investing, or starting a business.

Frequently Asked Questions about ZIP 94402

  • What is the population of ZIP 94402?
    As of 2023, the estimated population of ZIP 94402 is 25,498.
  • How many households are in ZIP 94402?
    ZIP 94402 has approximately 9,944 households as of 2023.
  • What is the median household income in ZIP 94402?
    The median household income is $179,683 (ACS 2023).
  • What is the median home value in ZIP 94402?
    The median value of owner-occupied homes is $2,000,000 (ACS 2023).
  • What is the median monthly rent in ZIP 94402?
    Median gross rent is approximately $3,476 per month (ACS 2023).

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