New Castle Northwest, Pennsylvania Demographics & Population 2026

Population Overview

New Castle Northwest is a small community located in Pennsylvania, within Lawrence County. The total population is 1,223. It ranks as the 894th most populous out of 1,991 Census-designated places in Pennsylvania.

Age Demographics

The median age in New Castle Northwest is 43.2 years. This is 6% higher than the state median of 40.9 years. 11.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in New Castle Northwest is $72,500. This is 7% lower than the state median of $77,971. It is also 10% lower than the national median of $80,734. The poverty rate stands at 7.8%. This is 33% lower than the state poverty rate of 11.7%. The survey records no unemployed residents in New Castle Northwest, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $155,300. Housing costs are 39% lower than the state median of $254,500. With a home-value-to-income ratio of just 2.1x, New Castle Northwest is one of the most affordable housing markets in the area. 94.5% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 69.3%.

Race & Ethnicity

New Castle Northwest has a predominantly White (non-Hispanic) population, comprising 97.8% of all residents. Hispanic or Latino residents account for 2.1%. The Black or African American population (0.1%) is well below the state average of 10.3%. The Hispanic or Latino population (2.1%) is well below the state average of 8.7%.

Education

31.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 12% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.8%. Notably, 15.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for New Castle Northwest, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,991 Census-designated places in Pennsylvania. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.