Locust Valley

County:: Nassau County
County Seat:: No
Area (mi²):: 0.906
State:: New York

Locust Valley is a CDP located in Nassau County, New York. Locust Valley has a 2025 population of 3,662. Locust Valley is currently growing at a rate of 0.47% annually and its population has increased by 5.08% since the most recent census, which recorded a population of 3,485 in 2020.

The average household income in Locust Valley is $263,520 with a poverty rate of 4.05%.The median age in Locust Valley is 42.6 years: 34.5 years for males, and 45.8 years for females.

Demographics

The racial composition of Locust Valley includes 89.64% White, 3.17% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,219	89.64%
Two or more races	149	4.15%
Black or African American	114	3.17%
Other race	67	1.87%
Asian	26	0.72%
Native American	16	0.45%

Locust Valley Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Locust Valley's average per capita income is $91,250. Household income levels show a median of $137,344. The poverty rate stands at 4.05%.

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	$222,727	-
Families	$154,286	$298,765
Households	$137,344	$263,520
Non Families	$65,625	$72,001

$91,250

Average Income

$137,344

Median Household Income

4.05%

Poverty Rate