Noblestown is a census-designated place (CDP) in Allegheny County, Pennsylvania, United States. The community was part of the Sturgeon-Noblestown CDP before later splitting into two separate CDPs in 2010, becoming Sturgeon and Noblestown. The population of Noblestown was 797 at the 2020 census.

Geography

Noblestown is located at 40°23′43″N 80°12′7″W / 40.39528°N 80.20194°W / 40.39528; -80.20194 (40.3955, -80.2019).

According to the United States Census Bureau, the CDP has a total area of 1.2 square miles (3.1 km), all land.

Demographics

Historical population

Census	Pop.	Note	%±
2010	575		—
2020	797		38.6%
U.S. Decennial Census