South New Castle Flag

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 632 . South New Castle is currently declining at a rate of -0.63% annually and its population has decreased by -2.77% since the most recent census, which recorded a population of 650 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. For every 100 females there are 112.3 males.

632
Total Population
1,949
Density (mi²)
-4 -0.63%
Growth

South New Castle Population

South New Castle Population

Data after 2023 is projected based on recent change

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

White (94.94%)

Two or more races (4.95%)

Black or African American (0.12%)

Race
Population
Percentage (of total)
White80694.94%
Two or more races424.95%
Black or African American10.12%

South New Castle Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)