Thornburg borough, Pennsylvania Demographics & Population 2026

Population Overview

Thornburg borough is a small community located in Pennsylvania, within Allegheny County. The total population is 444. It ranks as the 1405th most populous out of 1,993 cities and towns in Pennsylvania.

Age Demographics

The median age in Thornburg borough is 42.9 years. This is 5% higher than the state median of 40.9 years. 10.6% 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 Thornburg borough is $220,625. This is 190% higher than the state median of $76,081. Compared to the national median of $78,538, household income here is 181% higher. The poverty rate stands at 0.7%. This is 94% lower than the state poverty rate of 11.8%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.9%. This is 84% lower than the state rate of 5.3%. The median home value is $426,400. Housing costs are 77% higher than the state median of $240,500. With a home-value-to-income ratio of just 1.9x, Thornburg borough is one of the most affordable housing markets in the area. 97.4% of occupied housing units are owner-occupied. This homeownership rate is 40% higher than the state average of 69.3%.

Race & Ethnicity

Thornburg borough has a predominantly White (non-Hispanic) population, comprising 85.6% of all residents. Hispanic or Latino residents account for 5.4%. The Black or African American population (0.7%) is well below the state average of 10.3%. The Asian population (0.7%) is well below the state average of 3.7%.

Education

75.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Thornburg borough in the top 10% of all cities in the state for educational attainment. This is 118% higher than the state rate of 34.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.8%. Notably, 41.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Thornburg borough, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,993 Census-designated places in Pennsylvania. For official data, visit data.census.gov.