Island Heights vs Seaside Park

A side-by-side comparison of Island Heights and Seaside Park: population, income, housing, and more.

Island Heights and Seaside Park are places in New Jersey. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Seaside Park has the higher population (1,804 vs 1,691 in Island Heights). Island Heights has the higher median household income ($107,308 vs $83,333 in Seaside Park). Seaside Park has the higher median home value ($873,700 vs $492,600 in Island Heights).

Population, income & housing

	Island Heights	Seaside Park
Population	1,691	1,804
Median age	53.2 yrs	62.2 yrs
Median household income	$107,308	$83,333
Median home value	$492,600	$873,700
Median gross rent	$1,889	$1,402
Housing units	894	2,730
Homeownership rate	92.3%	73.5%
Bachelor's degree or higher	50.7%	56.7%
Unemployment rate	3.2%	5.0%

Trends (ACS 5-year, 2019–2023)

	Island Heights	Seaside Park
Population	1,497 → 1,691 (+13.0%)	1,628 → 1,804 (+10.8%)
Median household income	$94,464 → $107,308 (+13.6%)	$77,629 → $83,333 (+7.3%)
Median home value	$389,600 → $492,600 (+26.4%)	$709,700 → $873,700 (+23.1%)
Median gross rent	$1,651 → $1,889 (+14.4%)	$1,322 → $1,402 (+6.1%)

Island Heights

Population

1,4971,691

Median household income

$94,464$107,308

Median home value

$389,600$492,600

Median gross rent

$1,651$1,889

Seaside Park

Population

1,6281,804

Median household income

$77,629$83,333

Median home value

$709,700$873,700

Median gross rent

$1,322$1,402

Age & race/ethnicity

Age distribution (share)

	Island Heights	Seaside Park
Under 5	1.6%	3.1%
5 to 17	15.4%	5.8%
18 to 24	7.0%	5.4%
25 to 34	4.1%	6.5%
35 to 44	11.6%	8.7%
45 to 54	14.3%	11.9%
55 to 64	14.5%	15.6%
65 to 74	21.4%	30.8%
75 and over	10.2%	12.1%

Race & ethnicity (share)

	Island Heights	Seaside Park
White (non-Hispanic)	90.4%	91.2%
Black or African American	2.0%	2.4%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.2%	3.6%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	1.8%	1.3%
Hispanic or Latino	5.7%	1.4%

Educational attainment (age 25+)

Share of adults 25+

	Island Heights	Seaside Park
No high school diploma	2.3%	1.0%
High school graduate	22.3%	21.5%
Some college or associate's	24.7%	20.8%
Bachelor's degree	27.9%	29.7%
Graduate or professional degree	22.8%	27.0%

Commute to work

How workers get to work (share)

	Island Heights	Seaside Park
Drove alone	78.8%	80.9%
Carpooled	2.8%	1.1%
Public transit	1.7%	3.0%
Walked	2.2%	1.8%
Bicycle	0.0%	0.0%
Worked from home	14.4%	12.5%
Other means	0.0%	0.7%

Housing

Units in structure (share)

	Island Heights	Seaside Park
1-unit, detached	95.9%	60.4%
1-unit, attached	0.0%	3.3%
2 to 4 units	1.0%	23.7%
5 to 19 units	0.8%	9.5%
20 or more units	2.3%	2.6%
Mobile home & other	0.0%	0.5%

Poverty & households

	Island Heights	Seaside Park
Poverty rate	0.9%	13.0%
Average household size	2.14	1.92
Mean commute (minutes)	31	30
Median year structure built	1954	1959