Heidelberg

County:: Allegheny County
County Seat:: No
Area (mi²):: 0.287
State:: Pennsylvania

Heidelberg is a borough located in Allegheny County, Pennsylvania. Heidelberg has a 2025 population of 1,207. Heidelberg is currently declining at a rate of -1.31% annually and its population has decreased by -6.14% since the most recent census, which recorded a population of 1,286 in 2020.

The average household income in Heidelberg is $91,349 with a poverty rate of 7%.The median age in Heidelberg is 47.4 years: 43.1 years for males, and 51.1 years for females.

Demographics

The racial composition of Heidelberg includes 91.48% White, and smaller percentages for Black or African American, Asian, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,084	91.48%
Two or more races	69	5.82%
Black or African American	19	1.6%
Asian	9	0.76%
Other race	4	0.34%

Heidelberg Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Heidelberg's average per capita income is $51,607. Household income levels show a median of $64,804. The poverty rate stands at 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	$110,714	-
Families	$89,750	$131,439
Households	$64,804	$91,349
Non Families	$50,932	$62,343

$51,607

Average Income

$64,804

Median Household Income

7%

Poverty Rate