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COUNTY · 1990 CENSUS

Middlesex County

New Jersey · 671,780 residents · 309.247 sq mi
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The short version

Middlesex County is significantly wealthier than the US average, with a median household income of $45,623. Population has declined 10% since 2000. Median home value is $164,100. Poverty is rare here, at 5.1% of residents.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 33.5
US median: 33.0
More educated
26% hold a bachelor's degree
US average: 20%
Less affordable
home values up 32%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

671,780
−10%vs 2000
vs 750,162 in 2000
1990 – 2025
2,172 / sq mi
−10%vs 2000
vs 2,426 / sq mi in 2000
US average: 221
33.5
−6%vs 2000
vs 35.7 in 2000
US average: 33.0
Population, 19902024
652K712K772K831K891K1990201020202024Middlesex County
2024871K
1990201020202024
Section 02

Income & economy

$45,623
−2%inflation adjusted, since 2000
vs $61,446 in 2000
US average: $30,130
1990 – 2024
$18,714
−29%vs 2000
vs $26,535 in 2000
US average: $14,340
5.1%
−1.5 ptsvs 2000
vs 6.6% in 2000
US average: 13.2%
Section 03

Housing

$164,100
+32%inflation adjusted, since 2000
vs $164,400 in 2000
US average: $93,722
1990 – 2024
$667
+4%inflation adjusted, since 2000
vs $845 in 2000
US average: $450
67.4%
+0.7 ptsvs 2000
vs 66.7% in 2000
32.6% rent
3.6
+34%vs 2000
vs 2.7 in 2000
1990 – 2024
RELATED:See current rent listings in Middlesex County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic61.9%(464,537)
Black8.6%(64,435)
Hispanic / Latino13.6%(101,940)
Asian13.8%(103,788)
Other0%
Diversity Score69.2%(518,851)
1990
White, non-Hispanic82%(550,566)
Black7.9%(52,901)
Hispanic / Latino8.6%(58,021)
Asian6.7%(44,783)
Other3.5%(23,530)
Diversity Score51.8%(348,059)
52
−25%vs 2000
vs 69 in 2000
1990 – 2024
Section 05

Education

26.5%
−6.5 ptsvs 2000
vs 33.0% in 2000
US average: 20.3%
High school or higher
79.4%
−5.0 ptsvs 2000
vs 84.4% in 2000
US average: 75.2%
9.5%
−3.0 ptsvs 2000
vs 12.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

23.9 min
+3%vs 2000
vs 23.1 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Middlesex County, New Jersey?

Middlesex County, New Jersey has about 671,780 residents according to the 1990 Census.

What is the median household income in Middlesex County, New Jersey?

The typical household in Middlesex County, New Jersey earns about $45,623 a year. Half of households make more than that, and half make less.

Is Middlesex County, New Jersey expensive?

In Middlesex County, New Jersey, the median home is worth about $164,100, and the typical rent is about $667 a month.

How educated are people in Middlesex County, New Jersey?

About 26.5% of adults age 25 and over in Middlesex County, New Jersey hold a bachelor's degree or higher.

What is the poverty rate in Middlesex County, New Jersey?

About 5.1% of people in Middlesex County, New Jersey live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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