Mohnton is a borough in Berks County, Pennsylvania, United States. It had a population of 3,043 in the 2010 census. Mohnton is located in southern Berks County at 401710N75599W / 40.28611N 75.98583W / 40.28611; -75.98583 (40.286242, -75.985936), part of the contiguous urban area surrounding the city of Reading. It is bordered on all sides by Cumru Township, including the unincorporated community of Pennwyn on the borough's eastern border. The borough of Shillington is 1 mile (1.6km) to the northeast. Wyomissing Creek flows through the center of Mohnton.