Halifax, PA has a population of 1,068 and is the 14,743rd largest city in the United States. The population density is 3,183 per sq mi which is 1009% higher than the Pennsylvania average and 3413% higher than the national average. The median age in Halifax is 33 which is approximately 20% lower than the Pennsylvania average of 41. In Halifax, 54% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 88% of Halifax residents were born in Pennsylvania, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.