South New Castle
South New Castle has lower-than-average household income, with a median household income of $69,375. Population has declined 12% since 2000. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $104,100. Poverty is rare here, at 5.9% of residents.
Population & growth
PEP 2025 EST:635 residents (Census Bureau Vintage 2025, released March 2026)
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Education
Commute & transportation
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People & community
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How many people live in South New Castle, Pennsylvania?
South New Castle, Pennsylvania has about 712 residents according to the 2024 American Community Survey.
What is the median household income in South New Castle, Pennsylvania?
The typical household in South New Castle, Pennsylvania earns about $69,375 a year. Half of households make more than that, and half make less.
Is South New Castle, Pennsylvania expensive?
In South New Castle, Pennsylvania, the median home is worth about $104,100, and the typical rent is about $933 a month.
How educated are people in South New Castle, Pennsylvania?
About 22.0% of adults age 25 and over in South New Castle, Pennsylvania hold a bachelor's degree or higher.
What is the poverty rate in South New Castle, Pennsylvania?
About 5.9% of people in South New Castle, Pennsylvania live below the federal poverty line.
Has South New Castle, Pennsylvania grown since 1990?
Yes, South New Castle, Pennsylvania has shrunk since 1990. The population has lost about 96 residents, a change of about -12 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024