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, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	455	99.34%
Two or more races	3	0.66%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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