Grand Island

County:: Erie County
County Seat:: No
Area (mi²):: 28.274
State:: New York

Grand Island is located in Erie County, New York. Grand Island has a 2025 population of 21,351. Grand Island is currently declining at a rate of -0.22% annually and its population has decreased by -0.43% since the most recent census, which recorded a population of 21,444 in 2020.

The average household income in Grand Island is $129,756 with a poverty rate of 4.99%.The median age in Grand Island is 45.8 years: 43.7 years for males, and 48.8 years for females.

Demographics

The racial composition of Grand Island includes 90.79% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	19,467	90.79%
Two or more races	837	3.9%
Black or African American	435	2.03%
Asian	435	2.03%
Other race	197	0.92%
Native American	70	0.33%

Grand Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grand Island's average per capita income is $66,265. Household income levels show a median of $107,036. The poverty rate stands at 4.99%.

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	$133,868	-
Families	$123,832	$149,417
Households	$107,036	$129,756
Non Families	$53,709	$77,171

$66,265

Average Income

$107,036

Median Household Income

4.99%

Poverty Rate