Rosemont

County:: Delaware County
County Seat:: No
Area (mi²):: 0.821
State:: Pennsylvania

Rosemont is a CDP located in Delaware County, Pennsylvania. Rosemont has a 2025 population of 4,826. Rosemont is currently growing at a rate of 7.15% annually and its population has increased by 34.32% since the most recent census, which recorded a population of 3,593 in 2020.

The average household income in Rosemont is $191,925 with a poverty rate of 7.5%. The median age in Rosemont is 37.7 years: 38.8 years for males, and 37.5 years for females.

Demographics

The racial composition of Rosemont includes 75.63% White, 10.83% Asian, 3.09% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,815	75.63%
Asian	403	10.83%
Two or more races	337	9.05%
Black or African American	115	3.09%
Other race	52	1.4%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Rosemont Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rosemont's average per capita income is $72,727. Household income levels show a median of $85,913. The poverty rate stands at 7.5%.

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	$185,625	-
Families	$161,813	$288,328
Households	$85,913	$191,925
Non Families	$57,042	$104,880

$72,727

Average Income

$85,913

Median Household Income

7.5%

Poverty Rate