Seven Valleys, PA has a population of 494 and is the 19,620th largest city in the United States. The population density is 454 per sq mi which is 64% higher than the Pennsylvania average and 401% higher than the national average. The median age in Seven Valleys is 43 which is approximately 6% higher than the Pennsylvania average of 41. In Seven Valleys, 68% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 77% of Seven Valleys residents were born in Pennsylvania, 23% were born out of state, 0% were born outside of the United States and 0% were foreign born.