Summerville

County:: Jefferson County
County Seat:: No
Area (mi²):: 0.595
State:: Pennsylvania

Summerville is a borough located in Jefferson County, Pennsylvania. Summerville has a 2025 population of 494. Summerville is currently declining at a rate of -0.6% annually and its population has decreased by -3.33% since the most recent census, which recorded a population of 511 in 2020.

The average household income in Summerville is $53,231 with a poverty rate of 18.18%.The median age in Summerville is 49.2 years: 44.2 years for males, and 61.8 years for females.

Demographics

The racial composition of Summerville includes 99.34% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	455	99.34%
Two or more races	3	0.66%

Summerville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Summerville's average per capita income is $29,250. Household income levels show a median of $50,625. The poverty rate stands at 18.18%.

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	$68,125	-
Families	$64,250	$75,219
Households	$50,625	$53,231
Non Families	$19,722	$27,401

$29,250

Average Income

$50,625

Median Household Income

18.18%

Poverty Rate