West Sunbury, PA has a population of 151 and is the 25,635th largest city in the United States. The population density is 1,372 per sq mi which is 395% higher than the Pennsylvania average and 1414% higher than the national average. The median age in West Sunbury is 34 which is approximately 17% lower than the Pennsylvania average of 41. In West Sunbury, 49% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 89% of West Sunbury residents were born in Pennsylvania, 10% were born out of state, 1% were born outside of the United States and 0% were foreign born.