South New Castle

County:: Lawrence County
County Seat:: No
Area (mi²):: 0.324
State:: Pennsylvania

South New Castle is a borough located in Lawrence County, Pennsylvania. South New Castle has a 2025 population of 624. South New Castle is currently declining at a rate of -0.79% annually and its population has decreased by -3.7% since the most recent census, which recorded a population of 648 in 2020.

The average household income in South New Castle is $75,345 with a poverty rate of 4.48%.The median age in South New Castle is 41.9 years: 33.9 years for males, and 47.1 years for females.

Demographics

The racial composition of South New Castle includes 94.94% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	806	94.94%
Two or more races	42	4.95%
Black or African American	1	0.12%

South New Castle Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South New Castle's average per capita income is $37,625. Household income levels show a median of $62,321. The poverty rate stands at 4.48%.

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	$72,386	-
Households	$62,321	$75,345
Families	$62,321	$79,193
Non Families	$43,333	$44,823

$37,625

Average Income

$62,321

Median Household Income

4.48%

Poverty Rate