Middlesex County, New Jersey

50 cities & places have their primary county here.

Population: 861,535
Median household income: $109,028
Median home value: $439,300

Middlesex County, New Jersey counts 861,535 residents. 50 cities and places have their primary county here. The median household income of $109,028 is above the New Jersey median ($101,050).

Between 2019 and 2023, Middlesex County's population grew 4.3% from 825,920 to 861,535, while its median household income rose 21.8% from $89,533 to $109,028.

Owners occupy 63.5% of the area's occupied homes. The median resident is 39.4 years old.

Demographics

ACS 2019–2023

Population: 861,535
Median age: 39.4 yrs
Median household income: $109,028
Median home value: $439,300
Median gross rent: $1,810
Housing units: 316,633
Homeownership rate: 63.5%
Bachelor's degree or higher: 45.1%
Unemployment rate: 6.4%

Trends

ACS 5-year · 2019–2023

Population

825,920861,535

Median household income

$89,533$109,028

Median home value

$344,100$439,300

Median gross rent

$1,469$1,810

Year	Population	Median household income	Median home value	Median gross rent
2019	825,920	$89,533	$344,100	$1,469
2020	825,015	$91,731	$351,400	$1,495
2021	858,770	$96,883	$362,900	$1,612
2022	860,147	$105,206	$411,900	$1,739
2023	861,535	$109,028	$439,300	$1,810

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.4%

5 to 1716.2%

18 to 249.4%

25 to 3412.9%

35 to 4413.9%

45 to 5413.4%

55 to 6413.1%

65 to 749.4%

75 and over6.4%

	Count	Share
Under 5	46,940	5.4%
5 to 17	139,545	16.2%
18 to 24	80,801	9.4%
25 to 34	110,996	12.9%
35 to 44	119,608	13.9%
45 to 54	115,123	13.4%
55 to 64	112,634	13.1%
65 to 74	80,737	9.4%
75 and over	55,151	6.4%

Race & ethnicity

	Count	Share
White (non-Hispanic)	333,972	38.8%
Black or African American	82,833	9.6%
American Indian & Alaska Native	596	0.1%
Asian	215,014	25.0%
Native Hawaiian & Pacific Islander	249	0.0%
Some other race	6,052	0.7%
Two or more races	24,645	2.9%
Hispanic or Latino (any race)	198,174	23.0%

Educational attainment (age 25+)

No high school diploma10.7%

High school graduate23.4%

Some college or associate's20.8%

Bachelor's degree26.1%

Graduate or professional degree19.0%

	Count	Share
No high school diploma	63,581	10.7%
High school graduate	138,873	23.4%
Some college or associate's	123,625	20.8%
Bachelor's degree	155,383	26.1%
Graduate or professional degree	112,787	19.0%

Commute to work

Mean travel time to work: 32 min

Drove alone63.1%

Carpooled8.2%

Public transit6.3%

Walked2.8%

Bicycle0.3%

Worked from home16.1%

Other means3.1%

How workers get to work

	Count	Share
Drove alone	267,944	63.1%
Carpooled	34,832	8.2%
Public transit	26,885	6.3%
Walked	11,964	2.8%
Bicycle	1,181	0.3%
Worked from home	68,410	16.1%
Other means	13,092	3.1%

Travel time

	Count	Share
Under 15 min	77,666	21.8%
15 to 29 min	111,868	31.4%
30 to 44 min	74,879	21.0%
45 to 59 min	35,152	9.9%
60+ min	56,333	15.8%

Households

Average household size: 2.74
Poverty rate: 8.5% (71,078 of 836,248)

	Count	Share
Family households	219,623	71.9%
Nonfamily households	85,987	28.1%

Housing

Median year structure built: 1973

Occupancy

	Count	Share
Occupied	305,610	96.5%
Vacant	11,023	3.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	193,963	63.5%
Renter-occupied	111,647	36.5%

1-unit, detached52.6%

1-unit, attached11.1%

2 to 4 units11.6%

5 to 19 units14.2%

20 or more units9.5%

Mobile home & other0.9%

Units in structure

	Count	Share
1-unit, detached	166,704	52.6%
1-unit, attached	35,180	11.1%
2 to 4 units	36,766	11.6%
5 to 19 units	44,917	14.2%
20 or more units	30,205	9.5%
Mobile home & other	2,861	0.9%

Geography

County GEOID: 34023
State: New Jersey
Land area: 309 sq mi
Water area: 14 sq mi
Center point: 40.4396, -74.4074