ZIP Code 91770 — Demographics & Housing Data 2023

Explore ZIP 91770 demographics: 58,893 residents, $73,757 median income, $712,700 home values, and diverse community insights for 2023.

Aug. 26, 2025

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Overview

If you’re considering a move, investment, or business opportunity in ZIP 91770, located in the heart of Southern California, this demographic and housing snapshot offers a clear picture of the area. Based on 2023 data, this ZIP code is home to a vibrant, diverse population with a strong economic foundation. Whether you’re a homebuyer, real estate investor, small-business owner, or analyst, understanding the community’s makeup and housing trends in 91770 can guide your next steps. Let’s dive into the numbers to uncover what makes this area unique and how it might align with your goals.

Population & Households

ZIP 91770 has a total population of 58,893 residents, making it a sizable community with a dynamic mix of families, professionals, and individuals. This population is distributed across 16,728 households, reflecting a robust residential base. With 17,704 total housing units in the area, there’s a slight surplus of homes compared to households, which could indicate some availability for new residents or investors looking to enter the market. These figures suggest a well-established community with potential for growth or turnover in housing occupancy.

Income & Housing Costs

The median household income in ZIP 91770 stands at $73,757, pointing to a community with moderate to strong earning power. This income level supports a housing market where the median house value is $712,700—a significant investment that reflects the area’s desirability and likely proximity to economic hubs or amenities in Southern California. For renters, the median rent is $1,740 per month, which is relatively high and suggests a competitive rental market. These metrics indicate that 91770 is a place where financial stability is key for residents, and housing costs may require careful budgeting or investment planning.

Race & Ethnicity

The demographic composition of ZIP 91770 is notably diverse, with a strong cultural mix that shapes the community’s identity. The largest racial group is Asian, comprising 65.29% of the population, followed by Hispanic or Latino residents at 28.52%. White residents make up 4.0% of the population, while Black or African American residents account for just 0.53%. This diversity suggests a multicultural environment where businesses, schools, and social spaces likely reflect a blend of traditions and perspectives, offering unique opportunities for connection and engagement.

Key Facts

  • Total population: 58,893 residents, indicating a substantial community size.
  • Total households: 16,728, showing a strong residential presence.
  • Total housing units: 17,704, with a small surplus over occupied households.
  • Median household income: $73,757, reflecting moderate to strong earning capacity.
  • Median house value: $712,700, highlighting a high-value real estate market.
  • Median rent: $1,740, pointing to a competitive rental landscape.
  • Racial diversity: Predominantly Asian (65.29%) and Hispanic (28.52%), with smaller White (4.0%) and Black (0.53%) populations.

What This Means for You

For homebuyers, ZIP 91770 offers a diverse, established community with high home values ($712,700 median), suggesting long-term value but requiring significant financial readiness. The slight surplus of housing units (17,704 vs. 16,728 households) may provide some options, though competition could be stiff given the area’s appeal. Investors and real estate agents will find a market with strong appreciation potential, especially with median incomes ($73,757) supporting housing demand, though high entry costs and rental rates ($1,740 median) mean targeting the right buyer or tenant is critical. Small-business owners can leverage the area’s diversity (65.29% Asian, 28.52% Hispanic) to tailor products or services to cultural preferences, while the sizable population (58,893) offers a broad customer base. Analysts can use these metrics to assess economic stability and demographic trends, noting the income-to-housing cost ratio as a key indicator of affordability challenges or opportunities.

Run This Study Yourself

  • Curious about other ZIP codes or want deeper insights into 91770? Start by visiting ZipcodeGPT for a user-friendly platform to explore demographic and housing data.
  • Enter any ZIP code to access up-to-date metrics on population, income, housing, and more, tailored to your needs.
  • Use the detailed breakdowns to inform your decisions, whether you’re buying, investing, or planning a business venture.

Frequently Asked Questions about ZIP 91770

  • What is the population of ZIP 91770?
    As of 2023, the estimated population of ZIP 91770 is 58,893.
  • How many households are in ZIP 91770?
    ZIP 91770 has approximately 16,728 households as of 2023.
  • What is the median household income in ZIP 91770?
    The median household income is $73,757 (ACS 2023).
  • What is the median home value in ZIP 91770?
    The median value of owner-occupied homes is $712,700 (ACS 2023).
  • What is the median monthly rent in ZIP 91770?
    Median gross rent is approximately $1,740 per month (ACS 2023).

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