Colonial Park cost of living score 89.8 Less expensive 10.2% lower than the US average 5.1% lower than the Pennsylvania average Colonial Park (zip 17109), Pennsylvania gets a BestPlaces Cost of Living score of 89.8, which means the total cost of housing, food, childcare, transportation, healthcare, taxes, and other necessities is 10.2% lower than the U.S. average and 5.1% higher than the average for Pennsylvania.