Unincorporated communities located within the township include Flat Rock, Fiketown, and Elk Park.

Information can be sourced at www.henryclaytownship.com Henry Clay Township is in the southeastern corner of Fayette County.

The Youghiogheny River cuts a gorge through Laurel Hill just to the north, where the lowest point in the township is 1,270 feet (390 m) above sea level.

U.S. Route 40, the National Road, crosses Henry Clay Township, leading southeast to Cumberland, Maryland, and northwest to Uniontown.

Pennsylvania Route 281 crosses US 40 near the center of the township, leading northeast to Confluence and southwest through Markleysburg to the West Virginia border.

The racial makeup of the township was 99.45% White, 0.35% Native American, 0.10% Asian, and 0.10% from two or more races.