Jonas is an unincorporated community in Monroe County, Pennsylvania, United States. The community is located on Route 534 in Polk Township. It is split between the Effort ZIP code of 18330 and the Kunkletown ZIP code of 18058. Trexler Boy Scout Reservation is located just southeast of Jonas. Polk Township Volunteer Fire Company has their sub-station located behind Hotel Jonas on Jonas Road. It currently housed their retired 1954 GMC along with an active engine and utility truck.