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, 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	806	94.94%
Two or more races	42	4.95%
Black or African American	1	0.12%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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