Alba, PA has a population of 120 and is the 26,433rd largest city in the United States. The population density is 179 per sq mi which is 36% lower than the Pennsylvania average and 97% higher than the national average. The median age in Alba is 52 which is approximately 29% higher than the Pennsylvania average of 41. In Alba, 36% of the population over 15 years of age are married, 90% speak English and 3% speak Spanish. 79% of Alba residents were born in Pennsylvania, 18% were born out of state, 0% were born outside of the United States and 3% were foreign born.