Middlesex, New Jersey Demographics & Population 2026
During the 2020–2024 ACS period, Middlesex, New Jersey had a total population of 14,645, the 88th largest borough in New Jersey, with a median household income of $105,000, which is 1% higher than the state average. The poverty rate is 11.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Middlesex Quick Facts
How Middlesex 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 | 14,518 | 14,645 | +0.9% |
| Median household income | $107,063 | $105,000 | -1.9% |
| Median home value | $414,600 | $446,400 | +7.7% |
How Middlesex 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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 66 | National average: 61
Education
Educational Attainment (Adults 25+)
Middlesex Rankings in New Jersey
Explore New Jersey Rankings
Other Cities in Middlesex County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| New Brunswick | 56,345 | $65,810 | 32.0% | $353,800 |
| Perth Amboy | 55,855 | $61,977 | 20.2% | $370,600 |
| Sayreville | 45,838 | $99,979 | 6.2% | $444,100 |
| Old Bridge | 28,236 | $111,996 | 6.9% | $485,800 |
| Carteret | 25,496 | $96,862 | 8.2% | $405,800 |
| South Plainfield | 24,473 | $130,239 | 3.0% | $470,900 |
| Woodbridge | 20,756 | $104,926 | 11.1% | $390,000 |
| Iselin | 19,551 | $109,500 | 7.9% | $426,800 |
| Colonia | 18,587 | $122,713 | 7.4% | $493,100 |
| Avenel | 17,121 | $101,670 | 7.9% | $401,000 |
Cities Similar to Middlesex
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Cherry Hill Mall | 14,541 | $103,708 | $341,200 | 47.7% | 10.8% |
| Highland Park | 15,121 | $104,694 | $471,700 | 69.8% | 7.5% |
| Hopatcong | 14,565 | $115,758 | $340,700 | 34.6% | 4.2% |
| Roselle Park | 14,093 | $109,679 | $443,200 | 38.5% | 6.6% |
| Westmont | 14,195 | $115,317 | $422,200 | 59.9% | 5.8% |
Population Overview
Middlesex is a small city located in New Jersey, within Middlesex County. The total population is 14,645. It ranks as the 88th most populous out of 700 Census-designated places in New Jersey.
Age Demographics
The median age in Middlesex is 44.3 years. This is 10% higher than the state median of 40.1 years.
Economy, Income & Housing
The median household income in Middlesex is $105,000. This is 1% higher than the state median of $103,556. It is also 30% higher than the national median of $80,734. The poverty rate stands at 11.3%. This is 17% higher than the state poverty rate of 9.7%. The unemployment rate is 3.6%. This is 43% lower than the state rate of 6.3%. The median home value is $446,400. Housing costs are 2% lower than the state median of $454,400. The home-value-to-income ratio is 4.3x. 73.9% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Middlesex is White (non-Hispanic), making up 54.2% of the population. Hispanic or Latino residents account for 24.3%. The Black or African American population (5.2%) is well below the state average of 12.2%.
Education
36.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% lower 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 90.7%.
Data Sources & Methodology
All demographic data for Middlesex, 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 Middlesex, New Jersey?
Middlesex, New Jersey has a population of 14,645 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Middlesex, NJ?
The median household income in Middlesex is $105,000, which is 30% higher than the national median of $80,734.
What is the poverty rate in Middlesex, NJ?
The poverty rate in Middlesex is 11.3%. This means approximately 1,658 residents live below the federal poverty line.
What is the racial makeup of Middlesex, New Jersey?
Middlesex's population is 54.2% White, 5.2% Black, 24.3% Hispanic/Latino, and 13.9% Asian.
What is the median home value in Middlesex, NJ?
The median home value in Middlesex is $446,400. The home-value-to-income ratio is 4.3x.
How educated is Middlesex, New Jersey?
36.9% of adults (25+) in Middlesex hold a bachelor's degree or higher, and 11.8% hold a graduate or professional degree.