Belle Mead, New Jersey Demographics & Population 2026

Population Overview

Belle Mead is a small city located in New Jersey, within Somerset County. The total population is 6,394. It ranks as the 247th most populous out of 700 Census-designated places in New Jersey.

Age Demographics

The median age in Belle Mead is 35.2 years. This is 12% lower than the state median of 40.1 years. With 30.8% of the population under 18, Belle Mead has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Belle Mead is $223,250. This is 116% higher than the state median of $103,556. It is also 177% higher than the national median of $80,734. The poverty rate stands at 3.3%. This is 67% lower than the state poverty rate of 9.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.6%. This is 26% lower than the state rate of 6.3%. The median home value is $810,300. Housing costs are 78% higher than the state median of $454,400. The home-value-to-income ratio is 3.6x. 63.8% of occupied housing units are owner-occupied.

Race & Ethnicity

The largest racial or ethnic group in Belle Mead is Asian, making up 64.2% of the population. White (non-Hispanic) residents account for 24.8%. The White (non-Hispanic) population (24.8%) is well below the state average of 50.9%. The Black or African American population (0.4%) is well below the state average of 12.2%. The Hispanic or Latino population (6.9%) is well below the state average of 22.5%. The Asian population is significantly higher than the state average (64.2% vs 10.1%).

Education

73.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Belle Mead in the top 10% of all cities in the state for educational attainment. This is 68% higher than the state rate of 43.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.2%. Notably, 39.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Belle Mead, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Jersey state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 700 Census-designated places in New Jersey. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.