Bally, PA has a population of 1,107 and is the 14,524th largest city in the United States. The population density is 2,137 per sq mi which is 671% higher than the Pennsylvania average and 2258% higher than the national average. The median age in Bally is 42 which is approximately 2% higher than the Pennsylvania average of 41. In Bally, 64% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 94% of Bally residents were born in Pennsylvania, 6% were born out of state, 0% were born outside of the United States and 0% were foreign born.