US Census Data
Population
19,151
+5.4%’19–’23
Median household income
$112,615
+14.6%’19–’23
Median home value
$394,200
+28.5%’19–’23

Iselin, a community in Middlesex County, New Jersey, has 19,151 residents. Its median household income of $112,615 runs in line with the Middlesex County figure of $109,028.

From 2019 to 2023, Iselin's population grew 5.4% from 18,175 to 19,151, while its median home value rose 28.5% from $306,700 to $394,200.

Households average 3.01 people. The median gross rent is $2,051.

Demographics

ACS 2019–2023
Population
19,151
Median age
38.4 yrs
Median household income
$112,615
Median home value
$394,200
Median gross rent
$2,051
Housing units
6,618
Homeownership rate
66.2%
Bachelor's degree or higher
55.0%
Unemployment rate
3.1%

Trends

ACS 5-year · 2019–2023
Population
18,17519,151
Median household income
$98,250$112,615
Median home value
$306,700$394,200
Median gross rent
$1,769$2,051
YearPopulationMedian household incomeMedian home valueMedian gross rent
201918,175$98,250$306,700$1,769
202017,356$101,386$316,300$1,826
202117,684$103,179$328,400$1,880
202218,511$109,646$369,700$1,999
202319,151$112,615$394,200$2,051

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

Age distribution

CountShare
Under 58404.4%
5 to 173,08116.1%
18 to 241,7098.9%
25 to 342,54613.3%
35 to 443,04815.9%
45 to 542,35612.3%
55 to 642,45112.8%
65 to 742,03610.6%
75 and over1,0845.7%

Race & ethnicity

CountShare
White (non-Hispanic)4,37222.8%
Black or African American1,5578.1%
American Indian & Alaska Native220.1%
Asian10,38654.2%
Native Hawaiian & Pacific Islander00.0%
Some other race1360.7%
Two or more races6303.3%
Hispanic or Latino (any race)2,04810.7%

Educational attainment (age 25+)

CountShare
No high school diploma1,50311.1%
High school graduate2,74120.3%
Some college or associate's1,84513.6%
Bachelor's degree3,87428.7%
Graduate or professional degree3,55826.3%

Commute to work

Mean travel time to work
38 min

How workers get to work

CountShare
Drove alone5,08453.4%
Carpooled6386.7%
Public transit1,37414.4%
Walked4184.4%
Bicycle00.0%
Worked from home1,69217.8%
Other means3233.4%

Travel time

CountShare
Under 15 min1,44718.5%
15 to 29 min1,87023.9%
30 to 44 min1,69321.6%
45 to 59 min1,12314.3%
60+ min1,70421.7%

Households

Average household size
3.01
Poverty rate
6.4% (1,223 of 19,151)
CountShare
Family households5,34484.1%
Nonfamily households1,01015.9%

Housing

Median year structure built
1961

Occupancy

CountShare
Occupied6,35496.0%
Vacant2644.0%

Tenure (of occupied units)

CountShare
Owner-occupied4,20466.2%
Renter-occupied2,15033.8%

Units in structure

CountShare
1-unit, detached4,41966.8%
1-unit, attached1902.9%
2 to 4 units2113.2%
5 to 19 units93114.1%
20 or more units85212.9%
Mobile home & other150.2%

Geography

Place GEOID
3434470
Type (LSAD)
57
Land area
3.15 sq mi
Water area
0 sq mi
Center point
40.5701, -74.3164

Compare with nearby cities

5

New Jersey rankings

21

Other places in Middlesex County

49