Seaside Heights, NJ demographics:
population, income, and more

Total population
657
15.5% year-over-year change
Median household income
$77,448/yr
3.3% year-over-year change
Housing units
875
4.8% year-over-year change

Seaside Heights population

How many people live in Seaside Heights

Seaside Heights is home to 657 residents, according to the most recent Census data. Gender-wise, 54.3% of Seaside Heights locals are male, and 45.7% are female.

Total population
657
15.5% year-over-year change
Gender ratio
Male
54.3%
357
Female
45.7%
300
Value Percent YoY change
Male 357 54.3% 17.4%
Female 300 45.7% 13.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Seaside Heights is 57, with the population distributed as follows: about 7.9% are children under 15, then 9.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 13.2% of the population, while another 38% fall into the 45 to 64 bracket. Finally, around 31.5% are 65 or older.

Median age
57.2
Age breakdown
Under 15
7.9%
15 to 24
9.3%
25 to 44
13.2%
45 to 64
38%
Over 65
31.5%
Value Percent YoY change
Under 15 52 7.9% 15.6%
15 to 24 61 9.3% 22.0%
25 to 44 87 13.2% 14.5%
45 to 64 250 38% 16.3%
Over 65 207 31.5% 13.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Seaside Heights, 90.1% of the population are US-born citizens, while 5.8% have gained naturalized citizenship. At the same time, 4.1% of residents are non-citizens. There’s also a share of 7.2% that includes residents with two or more races.

Citizenship
U.S.-born citizens
90.1%
Non-U.S.-born citizens
5.8%
Non-citizens
4.1%
Value Percent YoY change
U.S.-born citizens 591 90.1% 14.5%
Non-U.S.-born citizens 38 5.8% -2.6%
Non-citizens 27 4.1% 92.9%
Racial breakdown
White
86.4%
Black or African American
0%
American Indian and Alaska Native
0.2%
Asian
0.9%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.2%
Other
5.3%
Value Percent
White 568 86.4%
American Indian and Alaska Native 1 0.2%
Asian 6 0.9%
Two or more races 47 7.2%
Other 35 5.3%

Households in Seaside Heights

A peek inside Seaside Heights households

Seaside Heights has 347 households, with an average of 2 members in each. Of these, 56.5% are families, while the remaining 43.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
347
14.5% year-over-year change
Average people per household
2
Non-family households
151
Family households
196
Value Percent YoY change
Non-family households 151 43.5% 11.0%
Family households 196 56.5% 18.1%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Seaside Heights

The housing landscape of Seaside Heights

Seaside Heights's housing consists of 875 units, with 51.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.3% of the housing landscape.

Housing units
875
4.8% year-over-year change
Housing types
Value Percent
1 unit, detached 453 51.7%
1 unit, attached 22 2.5%
2 units 115 13.1%
3 or 4 units 100 11.4%
5 to 9 units 50 5.7%
10 to 19 units 59 6.7%
20 to 49 units 48 5.5%
50 or more units 26 3%
Mobile home 3 0.3%
Homes built since 2020
17
88.9% year-over-year change

The age of buildings in Seaside Heights

In Seaside Heights, the median construction year is 1969. About 10.4% of homes were built before the 1940s, with another 16.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.5% of homes were added from 2000 to 2009, 19% between 2010 and 2019, and 1.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 91 10.4% 13.8%
Built between 1940 and 1949 148 16.9% 19.4%
Built between 1950 and 1959 141 16.1% -2.1%
Built between 1960 and 1969 64 7.3% -24.7%
Built between 1970 and 1979 81 9.3% 11.0%
Built between 1980 and 1989 79 9% -8.1%
Built between 1990 and 1999 22 2.5% 10.0%
Built between 2000 and 2009 66 7.5% -9.6%
Built between 2010 and 2019 166 19% 16.9%
Built in 2020 or later 17 1.9% 88.9%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Seaside Heights occupancy rates

Out of the 347 occupied housing units in Seaside Heights, 61.1% are owner-occupied, while 38.9% are lived in by tenants. Meanwhile, 60.3% of all homes on the local market sit vacant.

Occupied housing units
347
14.5% year-over-year change
Occupancy breakdown
Renter occupied
135
Owner occupied
212
Value Percent YoY
change
Renter occupied 135 38.9% 22.7%
Owner occupied 212 61.1% 10.4%
Unoccupied housing units
60.3%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Seaside Heights housing costs

Housing costs in Seaside Heights come to a median of $1,663 per month, while tenants specifically pay a median gross rent of $1,481.

Median housing costs per month
$1,663/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Seaside Heights
$1,481/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Seaside Heights

Seaside Heights education at a glance

About 36.2% of the population in Seaside Heights went to high school, while 16.4% pursued college studies. Another 7.7% earned an associate degree and 25.8% hold a bachelor’s. Meanwhile, 12.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 11 1.9% 83.3%
High school diploma 212 36.2% 11.0%
College diploma 96 16.4% 6.7%
Associate degree 45 7.7% 40.6%
Bachelor's degree 151 25.8% 20.8%
Graduate degree 71 12.1% 4.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Seaside Heights

How much people earn in Seaside Heights

The average annual household income in Seaside Heights was $108,895 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3% change from the previous year. At the same time, the median income stood at $77,448, reflecting a +3.3% shift over the same period.

Average household income in Seaside Heights
$108,895/year
3.0% year-over-year change
Median household income in Seaside Heights
$77,448/year
3.3% year-over-year change

Seaside Heights income by age

Those with someone between 45 and 64 in charge, often well established professionally, earn $83,325 overall. Overall, 78.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
45 - 64 $83,325 2.6%
Over 65 $84,868 -0.9%
Above poverty level
513
Below poverty level
143
Value Percent YoY
change
Above poverty level 513 78.2% 14.2%
Below poverty level 143 21.8% 19.2%

Employment in Seaside Heights

Workforce and job types in Seaside Heights

81.9% of the working population are employed in professional or administrative positions, while 18.1% are in hands-on or service-based jobs. Also, 10.4% run their own businesses, 69.2% are employed by private companies, and 18.1% work in the public sector.

Workforce demographics

White collar
213
Blue collar
47
Value Percent YoY change
White collar 213 81.9% 12.7%
Blue collar 47 18.1% 17.5%
Employer type
Self employees
10.4%
Private companies
69.2%
Governmental workers
18.1%
Not for profit companies
2.3%
Value Percent YoY change
Self employees 27 10.4% 28.6%
Private companies 180 69.2% 20.8%
Governmental workers 47 18.1% -11.3%
Not for profit companies 6 2.3% 0.0%

Transportation in Seaside Heights

How people get around in Seaside Heights

Commuting methods vary: 87.7% of residents travel by personal vehicle and 6.6% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 199 87.7% 14.4%
Taxicab 10 4.4% -9.1%
Bus or trolleybus 3 1.3% -62.5%
Walk 15 6.6% 25.0%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Seaside Heights by zipcode?

Zipcode Population Number of households Median income Average income
08751 4,185 2,211 $77,448 $108,895

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FAQs about Seaside Heights demographics 

What is the total population of Seaside Heights?

Seaside Heights has a total population of 657 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +15.5% compared to a year ago.

What is the gender ratio in Seaside Heights?

The gender ratio in Seaside Heights is as follows:
  • 54.3% males (357 residents)
  • 45.7% females (300 residents)

What is the median age in Seaside Heights?

The median age in Seaside Heights is 57.2.

What is the age distribution of the population in Seaside Heights?

The age distribution in Seaside Heights is as follows:
  • Under 15: 7.9% (52 residents)
  • Ages 15-24: 9.3% (61 residents)
  • Ages 25-44: 13.2% (87 residents)
  • Ages 45-64: 38% (250 residents)
  • Over 65: 31.5% (207 residents)

What is the racial and ethnic makeup of Seaside Heights?

The racial and ethnic makeup of Seaside Heights is as follows:
  • White: 86.4% (568 residents)
  • Black or African American: 0% ( residents)
  • American Indian and Alaska Native: 0.2% (1 residents)
  • Asian: 0.9% (6 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 7.2% (47 residents)
  • Other: 5.3% (35 residents)

What percentage of the population in Seaside Heights are U.S.-born citizens?

U.S.-born citizens represent 90.1% of the population in Seaside Heights.

How many housing units are there in Seaside Heights?

There are 875 housing units in Seaside Heights, reflecting a +4.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Seaside Heights and what is the average household size?

Seaside Heights has a total of 347 households, with an average of 2 people in each.

What is the median household income in Seaside Heights?

Seaside Heights has a median household income of $77,448, representing a +3.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Seaside Heights?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 81.9% (213 residents)
  • Blue-collar workers: 18.1% (47 residents)

Places of employment:
  • Self-employed: 10.4% (27 residents)
  • Private companies: 69.2% (180 residents)
  • Governmental workers: 18.1% (47 residents)
  • Not-for-profit companies: 2.3% (6 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025