Oceanside

County:: Nassau County
County Seat:: No
Area (mi²):: 4.93
State:: New York

Oceanside is a CDP located in Nassau County, New York. Oceanside has a 2025 population of 31,333. Oceanside is currently declining at a rate of -0.16% annually but its population has increased by 4.97% since the most recent census, which recorded a population of 29,850 in 2020.

The average household income in Oceanside is $179,616 with a poverty rate of 2.7%. The median age in Oceanside is 44.6 years: 41.7 years for males, and 47.3 years for females.

Demographics

The racial composition of Oceanside includes 81.46% White, 3.03% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	25,992	81.46%
Two or more races	3,287	10.3%
Other race	966	3.03%
Asian	925	2.9%
Black or African American	683	2.14%
Native American	54	0.17%
Native Hawaiian or Pacific Islander	0	0%

Oceanside Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oceanside's average per capita income is $72,657. Household income levels show a median of $145,282. The poverty rate stands at 2.7%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$171,295	-
Families	$165,176	$201,365
Households	$145,282	$179,616
Non Families	$68,029	$92,621

$72,657

Average Income

$145,282

Median Household Income

2.7%

Poverty Rate