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 2026 population of 629. South New Castle is currently declining at a rate of -0.47% annually and its population has decreased by -3.23% since the most recent census, which recorded a population of 650 in 2020.

The median household income in South New Castle is $69,375 with a poverty rate of 5.9%. The median age in South New Castle is 42.3 years: 36.5 years for males, and 43.5 years for females. For every 100 females there are 106.4 males.

629
Total Population
1,940
Density (mi²)
-3 -0.47%
Growth

South New Castle Population

South New Castle Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026629-3-0.47%
2025632-4-0.63%
2024636-3-0.47%
202363900%
2022639-7-1.08%
2021646-4-0.62%
2020650-1-0.15%
2019661-8-1.2%
2018669-5-0.74%
2017674-8-1.17%
2016682-6-0.87%
2015688-5-0.72%
2014693-5-0.72%
2013698-4-0.57%
2012702-5-0.71%
2011707-2-0.28%
2010713-1-0.14%

Median Age

Overall: 42.3 years
Female: 43.5 years
Male: 36.5 years

South New Castle Adults

There are 536 adults, (159 of whom are seniors) in South New Castle.

Sex Ratio

Female: 345 (48.5%)
Male: 367 (51.5%)

Demographics

The racial composition of South New Castle includes 91.57% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White65291.57%
Two or more races537.44%
Black or African American70.98%
Race
Population ↓
Percentage (of total)
Two or more races91.26%
Race
Population ↓
Percentage (of total)
White65291.57%
Two or more races446.18%
Black or African American70.98%

South New Castle Marital Status

Economics and Income Statistics

South New Castle 's average per capita income is $40,766. Household income levels show a median of $69,375. The poverty rate stands at 5.9%.

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$83,879-
Families$71,250$74,449
Households$69,375$72,139
Non Families-$41,045

$40,766

Average Income

$69,375

Median Household Income

5.9%

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)