Wagner, PA has a population of 154 and is the 25,541st largest city in the United States. The population density is 195 per sq mi which is 30% lower than the Pennsylvania average and 115% higher than the national average. The median age in Wagner is 50 which is approximately 23% higher than the Pennsylvania average of 41. In Wagner, 64% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 100% of Wagner residents were born in Pennsylvania, 0% were born out of state, 0% were born outside of the United States and 0% were foreign born.