Stewartsville, New Jersey Demographics & Population 2026
During the 2020–2024 ACS period, Stewartsville, New Jersey had a total population of 710, the 583rd largest community in New Jersey, with a median household income of $161,985, which is 56% higher than the state average. The poverty rate is 11.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 56% above the state average — one of the wealthiest communities in New Jersey.
Stewartsville Quick Facts
How Stewartsville Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 661 | 710 | +7.4% |
| Median household income | $155,588 | $161,985 | +4.1% |
| Median home value | $439,500 | $469,500 | +6.8% |
How Stewartsville Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 66 | National average: 61
Education
Educational Attainment (Adults 25+)
Stewartsville Rankings in New Jersey
Explore New Jersey Rankings
Other Cities in Warren County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Phillipsburg | 15,299 | $68,324 | 20.2% | $193,200 |
| Hackettstown | 10,140 | $93,083 | 9.4% | $361,600 |
| Washington | 7,334 | $81,336 | 8.5% | $263,300 |
| Beattystown | 4,917 | $87,500 | 8.2% | $416,000 |
| Panther Valley | 4,553 | $131,169 | 5.3% | $369,900 |
| Greenwich (Warren County) | 2,679 | $164,167 | 2.1% | $468,400 |
| Belvidere | 2,538 | $95,714 | 5.9% | $279,600 |
| Alpha | 2,436 | $90,333 | 5.8% | $261,500 |
| Brass Castle | 1,936 | $152,256 | 3.9% | $410,800 |
| Upper Pohatcong | 1,876 | $103,444 | 4.8% | $280,300 |
Cities Similar to Stewartsville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| East Millstone | 698 | N/A | $608,900 | 43.6% | 0.0% |
| New Vernon | 743 | N/A | $1,566,200 | 82.4% | 11.7% |
| Grenloch | 666 | $148,068 | $238,000 | 38.4% | 9.6% |
| Richland | 639 | $158,271 | $225,300 | 39.1% | 1.3% |
| Three Bridges | 630 | N/A | $587,300 | 29.5% | 1.6% |
A note before these figures: with a population of 710, Stewartsville'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
Stewartsville is a small community located in New Jersey, within Warren County. The total population is 710. It ranks as the 583rd most populous out of 700 Census-designated places in New Jersey.
Age Demographics
The median age in Stewartsville is 39.7 years. This is about the same as the state median of 40.1 years.
Economy, Income & Housing
The median household income in Stewartsville is $161,985. This is 56% higher than the state median of $103,556. It is also 101% higher than the national median of $80,734. The poverty rate stands at 11.1%. This is 15% higher than the state poverty rate of 9.7%. The survey records no unemployed residents in Stewartsville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $469,500. Housing costs are 3% higher than the state median of $454,400. With a home-value-to-income ratio of just 2.9x, Stewartsville is one of the most affordable housing markets in the area. 91.0% of occupied housing units are owner-occupied. This homeownership rate is 43% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Stewartsville is White (non-Hispanic), making up 83.7% of the population. Hispanic or Latino residents account for 13.0%. The White (non-Hispanic) population is significantly higher than the state average (83.7% vs 50.9%).
Education
28.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% lower than the state rate of 43.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.
Data Sources & Methodology
All demographic data for Stewartsville, 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.
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Frequently Asked Questions
What is the population of Stewartsville, New Jersey?
Stewartsville, New Jersey has a population of 710 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Stewartsville, NJ?
The median household income in Stewartsville is $161,985, which is 101% higher than the national median of $80,734.
What is the poverty rate in Stewartsville, NJ?
The poverty rate in Stewartsville is 11.1%. This means approximately 79 residents live below the federal poverty line.
What is the racial makeup of Stewartsville, New Jersey?
Stewartsville's population is 83.7% White, 0.0% Black, 13.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Stewartsville, NJ?
The median home value in Stewartsville is $469,500. The home-value-to-income ratio is 2.9x.
How educated is Stewartsville, New Jersey?
28.7% of adults (25+) in Stewartsville hold a bachelor's degree or higher, and 6.7% hold a graduate or professional degree.