Effort, also known as Mount Effort, is a census-designated place and unincorporated community in Chestnuthill Township, Monroe County, Pennsylvania, United States. Effort is located along Pennsylvania Route 115 2.5 miles northwest of Brodheadsville. Effort has a post office with ZIP code 18330. As of the 2010 census, its population was 2,269. A post office called Effort has been in operation since 1850.