Ronks is a small unincorporated farming community and census-designated place (CDP) in East Lampeter Township, Lancaster County, Pennsylvania, United States, just west of Paradise.

[5] The community is the home of Ronks Concrete Company and has a large Amish and Mennonite population.

Ronks is in east-central Lancaster County, in the eastern part of East Lampeter Township.

According to the U.S. Census Bureau, the Ronks CDP has a total area of 0.66 square miles (1.7 km2), of which 0.1 acres (424 m2), or 0.02%, are water.

[7] Ronks drains west toward Mill Creek and is part of the Conestoga River watershed.