Stonybrook

County:: York County
County Seat:: No
Area (mi²):: 1.909
State:: Pennsylvania

Stonybrook is a CDP located in York County, Pennsylvania. Stonybrook has a 2025 population of 3,875. Stonybrook is currently growing at a rate of 2.62% annually and its population has increased by 23.02% since the most recent census, which recorded a population of 3,150 in 2020.

The average household income in Stonybrook is $133,213 with a poverty rate of 3.01%. The median age in Stonybrook is 39.1 years: 38.4 years for males, and 40.1 years for females.

Demographics

The racial composition of Stonybrook includes 80.42% White, 4.21% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,945	80.42%
Two or more races	472	12.89%
Asian	154	4.21%
Black or African American	73	1.99%
Other race	16	0.44%
Native American	2	0.05%
Native Hawaiian or Pacific Islander	0	0%

Stonybrook Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Stonybrook's average per capita income is $69,449. Household income levels show a median of $113,789. The poverty rate stands at 3.01%.

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	$152,500	-
Families	$142,176	$157,981
Households	$113,789	$133,213
Non Families	-	$58,028

$69,449

Average Income

$113,789

Median Household Income

3.01%

Poverty Rate