Middlesex, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Middlesex, New Jersey is 14,518 as of the 2023 American Community Survey, making it the 88th-largest city in New Jersey. The median household income is $107,063, the median home value is $414,600, and the median age is 44.3.
The population has grown 9.1% since 2010 (13,629 → 14,874).
14,518
Population
4162
People / sq mi
$107,063
Median Income
$414,600
Median Home Value
Get Middlesex's next ACS population data
Subscribe for Population Review updates by email. No spam, unsubscribe anytime.
Middlesex covers 3.5 sq mi of land at 4162 people per square mile.
About Middlesex, NJ
Age is the most distinctive thing about Middlesex: a median age of 44.3, older than the national median. Middlesex is a city in New Jersey with a population of 14,518.
Households take in a median $107,063, comfortably above the US median of $78,538. About 8.7% of residents live below the federal poverty level, below the national 12.4%. The typical home is valued at $414,600, with typical rent around $1,493.
Roughly 34.5% of adults have a bachelor’s, near the national 35.0%. About 9.1% of the workforce is home-based, below the national 14.0%, and the average commute runs about 26 minutes each way.
The age structure shapes everything downstream in Middlesex — from housing demand to the mix of working-age earners reflected in the income figures above.
Middlesex borough Population History (2010-2024)
The city of Middlesex borough had a population of 13,629 in 2010 and 14,874 in 2024, a 9.1% growth over 14 years. The peak was 14,874 in 2024. Average annual growth rate: 0.64%.
14,874
Population (2024)
13,629
Population (2010)
14,874
Peak (2024)
0.64%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 13,629 |
| 2011 | 13,661 |
| 2012 | 13,691 |
| 2013 | 13,685 |
| 2014 | 13,706 |
| 2015 | 13,670 |
| 2016 | 13,615 |
| 2017 | 13,604 |
| 2018 | 13,651 |
| 2019 | 13,679 |
| 2020 | 14,591 |
| 2021 | 14,539 |
| 2022 | 14,542 |
| 2023 | 14,672 |
| 2024 | 14,874 |
Race & Ethnicity
| White | 60.7% |
| Black or African American | 7.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.1% |
| Two or More Races | 0.0% |
Economy & Income
$107,063
Median Household Income
$50,637
Per Capita Income
8.7%
Poverty Rate
3.3%
Unemployment Rate
Housing
$414,600
Median Home Value
$1,493
Median Rent
72.6%
Owner-Occupied
Education
90.9%
High School+
34.5%
Bachelor's+
Commute
1.6%
Drive Alone
80.7%
Public Transit
9.1%
Work From Home
25.7 min
Avg Commute
Community Profile
18.1%
Foreign Born
65.7%
Non-English at Home
3.7%
Veterans
11.4%
With Disability
92.1%
Health Insurance
95.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.4% |
| Finance, Insurance & Real Estate | 15.8% |
| Education, Health Care & Social Services | 8.5% |
| Construction | 7.8% |
| Information | 7.3% |
| Manufacturing | 7.2% |
| Retail Trade | 6.1% |
| Public Administration | 4.3% |
| Transportation & Warehousing | 1.9% |
| Arts, Entertainment & Food Services | 1.4% |
Largest cities in New Jersey
Largest counties in New Jersey
Part of New Jersey
Metro areas in New Jersey
City rankings
Frequently Asked Questions
Middlesex, New Jersey has a population of 14,518 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 88th-largest city in New Jersey.
The median household income in Middlesex, New Jersey is $107,063, with 8.7% of residents living below the federal poverty level.
The median home value in Middlesex, New Jersey is $414,600, with median monthly rent at $1,493 and a homeownership rate of 72.6%.
The median age in Middlesex, New Jersey is 44.3 years. The population is 47.2% male and 52.8% female.
The population has grown 9.1% since 2010 (13,629 → 14,874).
Where to stay in Middlesex
Visiting or relocating to Middlesex, NJ? Compare hotels and short-term rentals across the metro — live availability and prices.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
More from New Jersey
Population 307,188
Population 289,691
Population 157,660
Population 135,887
Population 93,915
Full rankings of New Jersey cities by population
Statewide data for New Jersey
Population, race, income, age, and trends across New Jersey
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.