See also>At risk povertyPennsylvania - PopulationDateDensityPopulation1939839,901,0001938839,952,0001937829,790,0001936829,767,0001935829,774,0001934829,795,0001933829,784,0001932829,764,0001931819,707,0001930819,649,0001929829,723,000Pennsylvania - Population