At its formation, Allegheny Township included what is now Lower Burrell, Hyde Park, Vandergrift, West Leechburg, Arnold and New Kensington.

The Allegheny Township Community Building, which is the municipality's government center, was constructed in 1976 and completed the following year at the intersection of the PA Route 356 by-pass and Junior High School Road, after state and federal funds became available from legislators to finance the project.

Prior to the building's completion, the township conducted business from a rented basement office at Kiski Park Plaza shopping center on Route 56 at the intersection of the 356 by-pass.

She was appointed to fill the unexpired term of Milton L. Rimmel, 46, who died July 2 of that year due to a heart attack.

Majocha was appointed by the two surviving board members, Fred Hoculock and Ron Sheetz prior to the end of July.

In 1983, the Township increased its full-time police force from two to three officers, in addition to putting a third patrol car on the road.

The Board of Supervisors is responsible, as a governmental unit, to strive to improve the health, safety, and welfare of the residents of Allegheny Township.

In order to accomplish that task the Board adopts laws, known as ordinances, that governs various activities within the Township.

Allegheny Township is the governing municipality of the following villages: Bagdad, BellVue, Braeburn Heights, Lucesco, Markle, Riverforest, Shearersburg and White Cloud.