Shamokin Dam cost of living score 86.2 Less expensive 13.8% lower than the US average 8.9% lower than the Pennsylvania average Shamokin Dam (zip 17876), Pennsylvania gets a BestPlaces Cost of Living score of 86.2, which means the total cost of housing, food, childcare, transportation, healthcare, taxes, and other necessities is 13.8% lower than the U.S. average and 8.9% higher than the average for Pennsylvania.