New Castle, Pennsylvania Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of New Castle, Pennsylvania is 21,727 as of the 2023 American Community Survey, making it the 29th-largest city in Pennsylvania. The median household income is $41,478, the median home value is $72,000, and the median age is 37.7.
The population has declined 8.2% since 2010 (23,243 → 21,332).
21,727
Population
2616
People / sq mi
$41,478
Median Income
$72,000
Median Home Value
New Castle covers 8.3 sq mi of land at 2616 people per square mile.
About New Castle, PA
New Castle is a city in Pennsylvania with a population of 21,727. It ranks #29 among cities in Pennsylvania by population. The median age is 37.7, younger than the national median. The population is 46.1% male and 53.9% female.
The median household income in New Castle is $41,478, below the US median of $74,580. 18.9% of residents live below the federal poverty level. Home values sit at a median of $72,000, with monthly rent averaging $698. The homeownership rate of 54.7% is lower than the national rate of 64.8%.
Educational attainment in New Castle reflects 15.2% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.5 minutes each way.
New Castle city Population History (2010-2024)
The city of New Castle city had a population of 23,243 in 2010 and 21,332 in 2024, a -8.2% growth over 14 years. The peak was 23,243 in 2010. Average annual growth rate: -0.61%.
21,332
Population (2024)
23,243
Population (2010)
23,243
Peak (2010)
-0.61%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 23,243 |
| 2011 | 23,057 |
| 2012 | 22,904 |
| 2013 | 22,751 |
| 2014 | 22,581 |
| 2015 | 22,429 |
| 2016 | 22,200 |
| 2017 | 21,955 |
| 2018 | 21,795 |
| 2019 | 21,618 |
| 2020 | 21,900 |
| 2021 | 21,757 |
| 2022 | 21,525 |
| 2023 | 21,435 |
| 2024 | 21,332 |
Race & Ethnicity
| White | 77.0% |
| Black or African American | 10.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.0% |
Economy & Income
$41,478
Median Household Income
$23,135
Per Capita Income
18.9%
Poverty Rate
7.3%
Unemployment Rate
Housing
$72,000
Median Home Value
$698
Median Rent
54.7%
Owner-Occupied
Education
89.5%
High School+
15.2%
Bachelor's+
Commute
1.7%
Drive Alone
75.4%
Public Transit
9.3%
Work From Home
21.5 min
Avg Commute
Community Profile
16.2%
Foreign Born
95.0%
Non-English at Home
7.5%
Veterans
23.9%
With Disability
93.6%
Health Insurance
88.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.0% |
| Manufacturing | 13.9% |
| Finance, Insurance & Real Estate | 7.5% |
| Education, Health Care & Social Services | 6.7% |
| Construction | 6.7% |
| Retail Trade | 6.6% |
| Information | 5.4% |
| Arts, Entertainment & Food Services | 4.6% |
| Public Administration | 4.3% |
| Transportation & Warehousing | 1.2% |
| Agriculture & Mining | 0.5% |
Largest cities in Pennsylvania
Largest counties in Pennsylvania
Part of Pennsylvania
Metro areas in Pennsylvania
City rankings
Frequently Asked Questions
New Castle, Pennsylvania has a population of 21,727 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 29th-largest city in Pennsylvania.
The median household income in New Castle, Pennsylvania is $41,478, with 18.9% of residents living below the federal poverty level.
The median home value in New Castle, Pennsylvania is $72,000, with median monthly rent at $698 and a homeownership rate of 54.7%.
The median age in New Castle, Pennsylvania is 37.7 years. The population is 46.1% male and 53.9% female.
The population has declined 8.2% since 2010 (23,243 → 21,332).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.