Blawenburg, New Jersey Demographics & Population 2026
During the 2020–2024 ACS period, Blawenburg, New Jersey had a total population of 85, the 691st largest community in New Jersey, with a median household income of $250,000+, which is 141% higher than the state average. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 141% above the state average — one of the wealthiest communities in New Jersey.
- 84.7% of adults hold a bachelor's degree or higher — top 10% in New Jersey.
- Unemployment rate of 15.3% is notably above the national average.
Blawenburg Quick Facts
How Blawenburg 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 | 92 | 85 | -7.6% |
| Median household income | $250,000+ | $250,000+ | +0.0% |
How Blawenburg 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
Moderate diversity with one or two groups making up the majority.
State average: 66 | National average: 61
Education
Educational Attainment (Adults 25+)
Blawenburg Rankings in New Jersey
Explore New Jersey Rankings
Other Cities in Somerset County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| North Plainfield | 22,809 | $87,349 | 13.2% | $374,700 |
| Somerset | 22,720 | $121,028 | 4.5% | $438,800 |
| Hillsborough | 22,585 | $144,112 | 2.7% | $435,700 |
| Bradley Gardens | 14,165 | $177,849 | 4.2% | $546,300 |
| Somerville | 13,410 | $103,760 | 5.9% | $435,700 |
| Franklin Park | 13,211 | $114,946 | 11.0% | $336,600 |
| Bound Brook | 12,219 | $90,571 | 11.1% | $397,100 |
| Martinsville | 11,559 | $205,000 | 1.4% | $720,400 |
| East Franklin | 11,070 | $115,458 | 5.9% | $385,900 |
| Manville | 10,921 | $93,333 | 11.7% | $354,300 |
Cities Similar to Blawenburg
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Seeley | 85 | N/A | N/A | 67.6% | 0.0% |
| Allamuchy | 91 | N/A | N/A | 39.2% | 0.0% |
| Leeds Point | 77 | N/A | N/A | 100.0% | 0.0% |
| Brainards | 98 | N/A | $159,400 | 24.5% | 0.0% |
| Arrowhead Lake | 101 | N/A | $190,900 | 15.1% | 19.8% |
A note before these figures: with a population of 85, Blawenburg'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
Blawenburg is a small community located in New Jersey, within Somerset County. The total population is 85. It ranks as the 691st most populous out of 700 Census-designated places in New Jersey.
Age Demographics
The median age in Blawenburg is 62.3 years. This is 55% higher than the state median of 40.1 years. 15.3% 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 Blawenburg is $250,000+. This is 141% higher than the state median of $103,556. It is also 210% higher than the national median of $80,734. The ACS records no residents below the poverty line in Blawenburg. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The unemployment rate is 15.3%. This is 142% higher than the state rate of 6.3%. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 57% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Blawenburg is White (non-Hispanic), making up 68.2% of the population. Asian residents account for 31.8%. The Asian population is significantly higher than the state average (31.8% vs 10.1%).
Education
84.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Blawenburg in the top 10% of all cities in the state for educational attainment. This is 94% higher 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. Notably, 57.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Blawenburg, 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.
Free data download: Get all New Jersey city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Blawenburg, New Jersey?
Blawenburg, New Jersey has a population of 85 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Blawenburg, NJ?
The median household income in Blawenburg is $250,000+, which is 210% higher than the national median of $80,734.
What is the poverty rate in Blawenburg, NJ?
The ACS sample for Blawenburg recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of Blawenburg, New Jersey?
Blawenburg's population is 68.2% White, 0.0% Black, 0.0% Hispanic/Latino, and 31.8% Asian.
What is the median home value in Blawenburg, NJ?
The Census Bureau does not publish a reliable median home value estimate for Blawenburg — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Blawenburg, New Jersey?
84.7% of adults (25+) in Blawenburg hold a bachelor's degree or higher, and 57.6% hold a graduate or professional degree.