Sewell, New Jersey Demographics & Population 2026

Population Overview

Sewell is a small community located in New Jersey, within Gloucester County. The total population is 2,982. It ranks as the 388th most populous out of 700 Census-designated places in New Jersey.

Age Demographics

The median age in Sewell is 51.6 years. This is 29% higher than the state median of 40.1 years. Only 11.2% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Sewell is $140,600. This is 36% higher than the state median of $103,556. It is also 74% higher than the national median of $80,734. The poverty rate stands at 2.1%. This is 79% 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 2.5%. This is 60% lower than the state rate of 6.3%. The median home value is $347,500. Housing costs are 24% lower than the state median of $454,400. With a home-value-to-income ratio of just 2.5x, Sewell is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 57% higher than the state average of 63.8%.

Race & Ethnicity

Sewell has a predominantly White (non-Hispanic) population, comprising 94.8% of all residents. Black or African American residents account for 2.3%. The White (non-Hispanic) population is significantly higher than the state average (94.8% vs 50.9%). The Black or African American population (2.3%) is well below the state average of 12.2%. The Asian population (2.1%) is well below the state average of 10.1%.

Education

48.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% 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 96.5%. Notably, 17.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Sewell, 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.