Aug. 30, 2025
If you’re considering a move, investment, or business opportunity in ZIP 11787, located in Smithtown, New York, this demographic and housing snapshot offers a clear picture of the area in 2023. With a population of over 34,000 and a strong median household income, this ZIP code presents a stable and affluent community. Whether you’re a homebuyer, real estate investor, small-business owner, or data analyst, understanding the population dynamics, income levels, and housing market here can guide your next steps. Let’s break down the key metrics to help you make informed decisions.
ZIP 11787 is home to a population of 34,656 residents, spread across 11,834 households. This translates to an average household size of roughly 2.9 people, suggesting a mix of families and smaller households. The total number of housing units stands at 12,147, indicating a slight surplus of available homes compared to occupied households. For those eyeing this area, the population size reflects a mid-sized suburban community with enough density to support local businesses and amenities while maintaining a residential feel.
One of the standout metrics for ZIP 11787 is its median household income of $141,505, which signals a high-earning community. This income level positions the area as attractive for businesses targeting affluent customers and for homebuyers seeking a financially stable neighborhood. On the housing front, the median home value is $642,200, reflecting a premium real estate market. For renters, the median rent is $2,349 per month, which aligns with the area’s higher cost of living. These figures suggest that while entry into the housing market may require significant investment, the potential for property value appreciation could be a draw for long-term buyers and investors.
The demographic makeup of ZIP 11787 provides insight into the community’s diversity. The racial composition is predominantly White at 79.88%, with smaller percentages of Black (0.83%), Asian (4.96%), and Hispanic (10.77%) residents. This distribution indicates a largely homogeneous area with pockets of cultural diversity. For businesses and investors, understanding this breakdown can help tailor services or marketing strategies to the majority demographic while also considering the needs of minority groups in the community.
For homebuyers, ZIP 11787 offers a financially secure community with high median incomes and home values, ideal if you’re looking for stability and potential property appreciation. However, the $642,200 median home price means you’ll need a robust budget or financing plan. Real estate investors and agents can find opportunities in a market with strong demand and a slight surplus of housing units, which could mean room for negotiation or development. The high income levels also suggest tenants can afford premium rents, as evidenced by the $2,349 median. Small-business owners should note the affluent demographic—targeting products or services to higher-income households could yield success, especially in family-oriented or luxury niches. Finally, analysts can use these metrics to benchmark ZIP 11787 against neighboring areas for deeper market studies or trend analysis.
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