East Rochester is an unincorporated community and census-designated place in southern West Township, Columbiana County, Ohio, United States.

[3] It lies along U.S. Route 30 about 20 miles (32 km) east of Canton, and has a post office with the ZIP code 44625.

According to the U.S. Census Bureau, the East Rochester CDP has an area of 0.42 square miles (1.1 km2).

Children in East Rochester are served by the Minerva Local School District.

This Columbiana County, Ohio state location article is a stub.