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New Jersey · Census place 45900

Middlesex, NJ population, income and ZIP codes

Quick answer

The population of the city of Middlesex, New Jersey (Middlesex, NJ — Census place “Middlesex borough”) is 14,518 residents, ranking #88 of 700 places in New Jersey. Median household income is $107,063, the median home is worth $414,600 and median gross rent runs $1,493 a month. Looking for the Middlesex New Jersey ZIP code list? 1 ZIP codes serve Middlesex, NJ: 08846.

Population
14,518Middlesex borough residents
Median household income
$107,063Past 12 months, inflation adjusted
Median home value
$414,600Owner-occupied units
Median gross rent
$1,493Rent plus utilities, monthly
Median age
44.3 yrsAll residents
Homeownership rate
72.6%Owner-occupied households

Middlesex ZIP codes (New Jersey)

Census ZCTAs whose delivery area overlaps Middlesex.

The Middlesex NJ ZIP code list below covers 1 ZIP code. Open any one for its population, income, housing and rent profile.

What the numbers mean in Middlesex borough

Housing cost measured against local earnings.

A household earning the Middlesex borough median would spend about 16.7% of gross income on the median rent. The 30% mark is the federal threshold for cost burden, so anything above it signals a stretched rental market. The median home costs 3.9× the median household income; nationally that ratio sits near 4.5×. Poverty affects 8% of residents and 72.6% of households own their home.

Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year

Middlesex borough, NJ in context

How this area compares with national benchmarks.

Middlesex borough is a mid-size town in New Jersey, with 14,518 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #88 of 700 ranked by population — larger than 87% of them. The median age here is 44.3 years against 39.1 nationally, a slightly older profile than the country as a whole. Places under 65,000 residents only appear in the five-year release, never the one-year file, so these values pool sixty months of responses and lag the current year by design.

Households in Middlesex borough earn a median of $107,063 a year, 36.3% above the national figure of $78,538 and within a couple of points of the $106,926 median for the 543 New Jersey cities we cover. Household income here is measured before tax and pooled across everyone at the address, which is why it reads higher than typical individual earnings in the same area. Poverty reaches 8% of residents here, below the 12.4% national rate.

The typical owner-occupied home in Middlesex borough is valued at $414,600, 36.7% above the national figure and within a couple of points of the $412,500 peer median, while median gross rent runs $1,493 a month, 6.2% above the national figure, or roughly $17,916 across a full year. A household on the local median income would put about 16.7% of gross pay toward that rent against the federal 30% cost-burden threshold, so renting here is cheap relative to what people here earn. The home-price-to-income ratio works out to 3.9×, against roughly 3.9× nationally, so buying is easier here than in the average US market. 72.6% of occupied homes are owner-occupied versus 65% nationally, so the market leans toward owners. The rent line includes utilities paid by the tenant, a definition worth remembering when comparing it against a landlord's quoted rate.

No figure on this page is estimated by us; each one comes straight from the published ACS tables for this area. Small-area estimates still carry wider margins of error than state or national figures, so check the linked ACS tables before relying on them for lending, appraisal or legal work.

Compare with nearby places

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More New Jersey coverage.

Frequently asked questions

Common questions about this area.

What is the population of Middlesex borough?
Middlesex borough has 14,518 residents on Census ACS 2019-2023 ACS 5-year estimates, ranking #88 of 700 in New Jersey.
What is the median household income in Middlesex borough?
Median household income in Middlesex borough is $107,063 a year, 36.3% above the national figure of $78,538.
How much does it cost to rent or buy in Middlesex borough?
Median gross rent is $1,493 a month and the median home value is $414,600, so rent absorbs about 16.7% of median household income.
Is Middlesex borough affordable compared with the rest of the US?
Homes cost about 3.9× the local median income here versus roughly 3.9× nationally, so Middlesex borough is more affordable to buy in than the typical US market, and rent takes 16.7% of median income against the 30% cost-burden line.
How current is this Middlesex borough data?
All figures come from the US Census Bureau American Community Survey 2019-2023 ACS 5-year five-year estimates. Places under 65,000 residents only appear in the five-year release, never the one-year file, so these values pool sixty months of responses and lag the current year by design.