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.

[4] According to the United States Census Bureau, the CDP has a total area of 1.2 square miles (3.1 km2), all land.

This Allegheny County, Pennsylvania state location article is a stub.