ZIP Code 91321 — Demographics & Housing Data 2023

Explore ZIP 91321 demographics: 32,668 residents, $93,281 median income, $654,300 median home value, and diverse community insights.

Aug. 30, 2025

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Overview

If you’re considering a move, investment, or business opportunity in ZIP 91321, located in the heart of California’s Santa Clarita Valley, this demographic and housing snapshot offers a clear picture of the area. With data from 2023, we’ve compiled key metrics on population, income, housing costs, and racial composition to help homebuyers, real estate investors, small-business owners, and analysts make informed decisions. Let’s dive into what makes ZIP 91321 unique and how it might align with your goals.

Population & Households

ZIP 91321 is home to a population of 32,668 residents, making it a moderately sized community with a mix of urban and suburban vibes. These individuals are distributed across 10,764 households, reflecting a diverse range of family structures and living arrangements. With 11,257 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.

Income & Housing Costs

The median household income in ZIP 91321 stands at $93,281, suggesting a relatively strong economic base for many families and individuals. This income level positions the area as a place where residents have disposable income for local businesses and services, while also supporting a robust housing market. Speaking of housing, the median home value is $654,300, reflecting the high demand and premium location of this region. For renters, the median rent is $2,135 per month, which aligns with the area’s elevated cost of living but also indicates a strong rental market for potential landlords or property investors.

Race & Ethnicity

ZIP 91321 boasts a diverse community, with a racial and ethnic composition that reflects a rich cultural tapestry. The largest group is Hispanic, making up 53.66% of the population, followed by White residents at 33.23%. Asian individuals account for 7.3%, while Black residents represent 2.34%. This diversity can be a significant draw for businesses seeking a varied customer base or for families looking for an inclusive environment to call home.

Key Facts

  • Total population: 32,668 residents in ZIP 91321.
  • Total households: 10,764, with a mix of family and individual setups.
  • Total housing units: 11,257, suggesting some availability for new occupants.
  • Median household income: $93,281, indicating solid earning potential.
  • Median home value: $654,300, reflecting a premium real estate market.
  • Median rent: $2,135, pointing to a strong rental demand.
  • Diverse demographics: 53.66% Hispanic, 33.23% White, 7.3% Asian, 2.34% Black.

What This Means for You

For homebuyers, ZIP 91321 offers a vibrant, diverse community with a median home value of $654,300. While this price point reflects the area’s desirability, the median income of $93,281 suggests that many residents can afford to invest in property here. Be prepared for a competitive market, and consider working with a local agent to find opportunities among the 11,257 housing units.

For real estate investors and agents, the slight surplus of housing units over households (11,257 vs. 10,764) could signal room for growth, whether through rentals or flips. The median rent of $2,135 also highlights a lucrative rental market for those looking to cater to tenants unable or unwilling to buy at current home values.

For small-business owners, the population of 32,668, coupled with a strong median income, presents a promising customer base. The area’s diversity (over 53% Hispanic) means businesses offering culturally relevant products or services could thrive. Additionally, the income levels suggest residents have spending power for discretionary goods and local services.

For analysts, these metrics provide a foundation for deeper research into market trends, housing affordability, and economic stability in ZIP 91321. The data points to a balanced community with opportunities for growth across multiple sectors.

Run This Study Yourself

  • Curious about other ZIP codes or want to dive deeper into ZIP 91321? 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 specific needs.
  • Use the insights to make data-driven decisions, whether you’re buying a home, investing, or planning a business venture.

Frequently Asked Questions about ZIP 91321

  • What is the population of ZIP 91321?
    As of 2023, the estimated population of ZIP 91321 is 32,668.
  • How many households are in ZIP 91321?
    ZIP 91321 has approximately 10,764 households as of 2023.
  • What is the median household income in ZIP 91321?
    The median household income is $93,281 (ACS 2023).
  • What is the median home value in ZIP 91321?
    The median value of owner-occupied homes is $654,300 (ACS 2023).
  • What is the median monthly rent in ZIP 91321?
    Median gross rent is approximately $2,135 per month (ACS 2023).

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