South Williamsport

County:: Lycoming County
County Seat:: No
Area (mi²):: 1.899
State:: Pennsylvania

South Williamsport is a borough located in Lycoming County, Pennsylvania. South Williamsport has a 2025 population of 6,106. South Williamsport is currently declining at a rate of -0.49% annually and its population has decreased by -2.4% since the most recent census, which recorded a population of 6,256 in 2020.

The average household income in South Williamsport is $95,010 with a poverty rate of 9.52%.The median age in South Williamsport is 42.4 years: 39.1 years for males, and 43 years for females.

Demographics

The racial composition of South Williamsport includes 91.96% White, and smaller percentages for Black or African American, Two or more races, Asian, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,716	91.96%
Black or African American	169	2.72%
Two or more races	162	2.61%
Asian	145	2.33%
Native American	24	0.39%

South Williamsport Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Williamsport's average per capita income is $47,784. Household income levels show a median of $66,810. The poverty rate stands at 9.52%.

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	$110,968	-
Families	$100,997	$119,655
Households	$66,810	$95,010
Non Families	$34,392	$51,333

$47,784

Average Income

$66,810

Median Household Income

9.52%

Poverty Rate