ZIP 02139 - 860Z200US02139 — Demographic Snapshot (2023)

Explore ZIP 02139 demographics: 39,609 residents, $124,648 median income, $1.06M home values, and diverse community insights for 2023.

Aug. 30, 2025

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Overview

If you’re considering a move, investment, or business opportunity in ZIP 02139, located in the heart of Cambridge, Massachusetts, this demographic and housing snapshot offers a clear picture of the area in 2023. With a vibrant population, robust income levels, and a competitive housing market, this ZIP code presents unique opportunities and challenges for homebuyers, real estate investors, small-business owners, and analysts. Let’s dive into the data to help you make informed decisions about living, working, or investing here.

Population & Households

ZIP 02139 is home to a sizable population of 39,609 residents as of 2023. This area supports 16,062 households, reflecting a community with a mix of families, professionals, and students, given its proximity to renowned academic institutions like MIT and Harvard. The total number of housing units stands at 16,930, indicating a tight housing market where demand often outstrips supply. For those looking to settle or invest, understanding the population density and household composition is key to gauging community dynamics and potential market needs.

Income & Housing Costs

The median household income in ZIP 02139 is an impressive $124,648, signaling a relatively affluent community with strong earning potential. This income level supports a high cost of living, particularly in housing. The median house value is $1,066,200, reflecting the premium placed on real estate in this sought-after area. For renters, the median rent is $2,613 per month, which aligns with the high demand for housing near urban and academic hubs. These figures suggest that while opportunities exist, financial readiness is crucial for anyone entering this market.

Race & Ethnicity

ZIP 02139 boasts a diverse population, which adds to its cultural richness and appeal. The racial composition in 2023 breaks down as follows: 52.04% White, 12.61% Black, 19.58% Asian, and 9.41% Hispanic. This diversity creates a dynamic community environment, offering a blend of perspectives and experiences. For businesses and investors, this mix can translate into varied customer bases and opportunities to cater to different cultural needs, while homebuyers may appreciate the inclusive atmosphere.

Key Facts

  • Total population: 39,609 residents in ZIP 02139 as of 2023.
  • Total households: 16,062, indicating a dense and active community.
  • Total housing units: 16,930, showing limited availability relative to demand.
  • Median household income: $124,648, reflecting strong economic stability.
  • Median house value: $1,066,200, a significant investment consideration.
  • Median rent: $2,613, highlighting the high cost of renting.
  • Racial diversity: 52.04% White, 19.58% Asian, 12.61% Black, 9.41% Hispanic.

What This Means for You

For homebuyers, ZIP 02139 offers a prestigious location with access to top-tier education and urban amenities, but the high median house value of over $1 million and steep rents mean you’ll need substantial financial planning. Consider working with a local realtor to find properties that match your budget and long-term goals. For investors and agents, the limited housing stock (16,930 units for 39,609 people) and high property values suggest strong appreciation potential, though competition is fierce—focus on niche markets like student housing or luxury rentals to maximize returns. For small-business owners, the diverse population and high median income of $124,648 indicate a customer base with disposable income, ideal for businesses offering premium or culturally tailored products and services. Finally, for analysts, the data points to a stable, affluent, and growing community—use these metrics to benchmark against nearby ZIP codes or predict future housing trends.

Run This Study Yourself

  • Curious about other areas or want to dive deeper into ZIP 02139? 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 costs, and more, tailored to your needs.
  • Use the insights to compare locations, identify opportunities, and make data-driven decisions for your next move or investment.

Frequently Asked Questions about ZIP 02139

  • What is the population of ZIP 02139?
    As of 2023, the estimated population of ZIP 02139 is 39,609.
  • How many households are in ZIP 02139?
    ZIP 02139 has approximately 16,062 households as of 2023.
  • What is the median household income in ZIP 02139?
    The median household income is $124,648 (ACS 2023).
  • What is the median home value in ZIP 02139?
    The median value of owner-occupied homes is $1,066,200 (ACS 2023).
  • What is the median monthly rent in ZIP 02139?
    Median gross rent is approximately $2,613 per month (ACS 2023).

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