Delmont, New Jersey Demographics & Population 2026

A note before these figures: with a population of 223, Delmont's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Delmont is a small community located in New Jersey, within Cumberland County. The total population is 223. It ranks as the 660th most populous out of 700 Census-designated places in New Jersey.

Age Demographics

The median age in Delmont is 51.6 years. This is 29% higher than the state median of 40.1 years. 11.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Delmont is $170,337. This is 64% higher than the state median of $103,556. It is also 111% higher than the national median of $80,734. The poverty rate stands at 4.5%. This is 54% lower than the state poverty rate of 9.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Delmont, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $228,900. Housing costs are 50% lower than the state median of $454,400. With a home-value-to-income ratio of just 1.3x, Delmont 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

Every resident counted in Delmont was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 78.6%.

Data Sources & Methodology

All demographic data for Delmont, 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.