Demographics of Middlesex borough, New Jersey

Middlesex borough, New Jersey had 14,740 people on July 1, 2025, by the Census Bureau’s estimate: +149 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Middlesex borough, in four figures

14,740
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 14,645 ±29.; +1.0%
Change since July 2020: +149 people.; 44.3 ±3.7
Median age: ACS 2020–⁠2024.; $105,000 ±$12,543
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Middlesex borough, New Jersey's population grew 1.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Middlesex borough, New Jersey's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Middlesex borough, New Jersey's population grew 1.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Middlesex borough, New Jersey's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	14,591	100.0	100.0
2021	14,541	99.7	100.2
2022	14,520	99.5	100.7
2023	14,621	100.2	101.6
2024	14,728	100.9	102.5
2025	14,740	101.0	103.1

Population of Middlesex borough, New Jersey on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	14,591	—
2021	14,541	−50
2022	14,520	−21
2023	14,621	+101
2024	14,728	+107
2025	14,740	+12

Age, 2020–2024

The median age is 44.3 ±3.7: for men 43.0 ±5.3 and for women 44.6 ±3.7. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Middlesex borough by age, ACS 2020–2024
Age	People	Share	New Jersey	United States
Under 5	867 ±344	5.9% ±2.3	5.6% ±<0.1	5.6% ±<0.1
5 to 17	2,192 ±510	15.0% ±3.5	16.2% ±0.1	16.3% ±<0.1
18 to 24	742 ±281	5.1% ±1.9	8.4% ±0.1	9.1% ±<0.1
25 to 44	3,665 ±558	25.0% ±3.8	26.2% ±0.1	26.9% ±<0.1
45 to 64	4,303 ±515	29.4% ±3.5	26.5% ±0.1	24.8% ±<0.1
65 and over	2,876 ±505	19.6% ±3.4	17.2% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $105,000 ±$12,543, and income per person $51,617 ±$4,941, in 2024 dollars. The median is $103,556 ±$513 in New Jersey and $80,734 ±$166 in the United States.

Households by income

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Households in Middlesex borough by income, ACS 2020–2024
Household income	Households	Share	New Jersey	United States
Under $25,000	630 ±294	11.0% ±5.1	11.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	549 ±217	9.6% ±3.7	12.8% ±0.2	16.7% ±<0.1
$50,000 to $74,999	713 ±263	12.5% ±4.5	12.8% ±0.2	15.5% ±<0.1
$75,000 to $99,999	667 ±254	11.7% ±4.4	11.3% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,361 ±417	23.8% ±7.1	18.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	730 ±202	12.8% ±3.4	11.8% ±0.2	9.6% ±<0.1
$200,000 or more	1,068 ±239	18.7% ±4.0	21.6% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Middlesex borough by age, ACS 2020–2024
Age	Below poverty	Rate	New Jersey	United States
All ages	829 to 2,487	5.7% to 17.0%	9.7% ±0.2	12.5% ±0.1
Under 18	92 to 830	3.4% to 26.8%	13.0% ±0.3	16.1% ±0.1
18 to 59	304 to 1,020	4.0% to 13.1%	8.6% ±0.2	11.6% ±0.1
60 and over	141 to 929	4.0% to 23.9%	9.3% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Middlesex borough, ACS 2020–2024
Measure	Middlesex borough	New Jersey	United States
Housing units	5,799 ±398	3,791,354 ±469	143,775,355 ±10,234
Occupied	98.6% ±1.8	92.5% ±0.1	89.9% ±0.1
Vacant	0% to 3.2%	7.5% ±0.1	10.1% ±0.1
Owner occupied	73.9% ±6.2	63.8% ±0.3	65.2% ±0.3
Renter occupied	26.1% ±4.1	36.2% ±0.2	34.8% ±0.1
Median home value	$446,400 ±$11,697	$454,400 ±$1,150	$332,700 ±$236
Median gross rent	$1,416 ±$58	$1,720 ±$7	$1,413 ±$2
Median year built	1965 ±2	1970 ±1	1980 ±1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Middlesex borough by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	New Jersey	United States
Hispanic or Latino	3,562 ±1,028	24.3% ±7.0	22.5% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	7,944 ±908	54.2% ±6.2	50.9% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	765 ±356	5.2% ±2.4	12.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	2,028 ±815	13.8% ±5.6	10.0% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 22	0% to 0.2%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 22	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	2 to 200	< 0.1% to 1.4%	0.8% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	245 ±111	1.7% ±0.8	3.5% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Middlesex borough by place of birth and citizenship, ACS 2020–2024
Born	People	Share	New Jersey	United States
Born in the state	8,355 ±698	57.1% ±4.8	50.8% ±0.2	57.3% ±<0.1
Born in another state	1,951 ±452	13.3% ±3.1	22.7% ±0.1	26.9% ±<0.1
Born a citizen outside the states	22 to 538	0.2% to 3.7%	2.6% ±<0.1	1.7% ±<0.1
Born abroad	4,059 ±791	27.7% ±5.4	23.9% ±0.2	14.1% ±<0.1
Naturalized citizens	2,521 ±598	17.2% ±4.1	13.5% ±0.1	7.4% ±<0.1
Not citizens	1,538 ±545	10.5% ±3.7	10.5% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Middlesex borough among the places of New Jersey

88th of 295 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the New Jersey page.

Places of New Jersey near Middlesex borough in population, ACS 2020–2024
Place	ACS 2020–⁠2024
West Freehold CDP	14,883 ±1,152
Hammonton town	14,840 ±40
Ramsey borough	14,805 ±23
Edgewater borough	14,759 ±25
Williamstown CDP	14,705 ±1,106
Middlesex borough	14,645 ±29
Moorestown-Lenola CDP	14,625 ±865
Hopatcong borough	14,565 ±49
Cherry Hill Mall CDP	14,541 ±1,286
Collingswood borough	14,205 ±57
Westmont CDP	14,195 ±360

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026