Skip to main content

Middlesex borough, New Jersey Demographics & Population 2026

As of 2026, Middlesex borough, New Jersey has a total population of 14,518, the 88th largest city in New Jersey, with a median household income of $107,063, which is 6% higher than the state average. The poverty rate is 8.0%.

Middlesex borough Quick Facts

Population 14,518
Median Household Income $107,063
Median Home Value $414,600
Poverty Rate 8.0%
Unemployment Rate 4.7%
Median Age 44.3 years
Homeownership Rate 72.6%
Affordability Ratio 3.9x
Bachelor's Degree or Higher 34.5%
High School Graduation Rate 90.9%
Diversity Index 62/100
Population 14,518 88th of 700
Median Income $107,063 average
Poverty Rate 8.0% 36% lower national
Median Home Value $414,600 average

How Middlesex borough Compares

Economy & Housing

Employment

4.7% Unemployment Rate State: 6.2% | National: 5.2%
70.2% Labor Force Participation

Housing Overview

Owner 72.6%
Renter 27.4%
Affordability Index Affordable
3.9x home value to income ratio

People & Demographics

Diversity Index

62out of 100
High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 65 | National average: 60

Education

Middlesex borough Rankings in New Jersey

#88 Population of 700
#323 Median Income of 700
#435 Education of 700
#314 Home Value of 700

Other Cities in Middlesex County

CityPopulationMedian IncomePovertyHome Value
New Brunswick city 55,744 $60,248 31.6% $316,800
Perth Amboy city 55,278 $58,490 20.0% $339,200
Sayreville borough 45,237 $98,629 6.0% $407,600
Carteret borough 25,187 $87,553 10.0% $370,200
South Plainfield borough 24,231 $126,063 3.5% $443,900
South River borough 16,007 $101,853 11.3% $382,500
Metuchen borough 14,982 $157,779 4.4% $565,400
Highland Park borough 14,981 $101,991 9.3% $463,600
South Amboy city 9,714 $110,125 7.5% $365,000
Spotswood borough 8,112 $101,388 3.4% $359,000

Cities Similar to Middlesex borough

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Hopatcong borough14,470$114,057$318,60034.2%4.2%
Roselle Park borough13,965$104,418$405,80039.0%5.1%
Highland Park borough14,981$101,991$463,60070.2%9.3%
Westmont CDP13,870$111,589$374,30058.8%6.5%
Cherry Hill Mall CDP14,827$117,535$313,00047.0%8.8%

Population Overview

Middlesex borough is a small city located in New Jersey, within Middlesex County. The total population is 14,518. It ranks as the 88th most populous out of 700 cities and towns in New Jersey.

Age Demographics

The median age in Middlesex borough 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 borough is $107,063. This is 6% higher than the state median of $101,050. Compared to the national median of $78,538, household income here is 36% higher. The poverty rate stands at 8.0%. This is 19% lower than the state poverty rate of 9.8%. The unemployment rate is 4.7%. This is 24% lower than the state rate of 6.2%. The median home value is $414,600. Housing costs are 3% lower than the state median of $427,600. The home-value-to-income ratio is 3.9x. 72.6% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 63.7%.

Race & Ethnicity

The largest racial or ethnic group in Middlesex borough is White (non-Hispanic), making up 54.2% of the population. Hispanic or Latino residents account for 26.3%. The Black or African American population (5.7%) is well below the state average of 12.3%.

Education

34.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 20% lower than the state rate of 42.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.9%.

Data Sources & Methodology

All demographic data for Middlesex borough, New Jersey is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.

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 Middlesex borough, New Jersey?

Middlesex borough, New Jersey has a population of 14,518 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Middlesex borough, NJ?

The median household income in Middlesex borough is $107,063, which is 36% higher the national median of $78,538.

What is the poverty rate in Middlesex borough, NJ?

The poverty rate in Middlesex borough is 8.0%. This means approximately 1,155 residents live below the federal poverty line.

What is the racial makeup of Middlesex borough, New Jersey?

Middlesex borough's population is 54.2% White, 5.7% Black, 26.3% Hispanic/Latino, and 11.7% Asian.

What is the median home value in Middlesex borough, NJ?

The median home value in Middlesex borough is $414,600. The home-value-to-income ratio is 3.9x.

How educated is Middlesex borough, New Jersey?

34.5% of adults (25+) in Middlesex borough hold a bachelor's degree or higher, and 11.5% hold a graduate or professional degree.