White Oak, PA has a population of 7,803 and is the 4,789th largest city in the United States. The population density is 1,178 per sq mi which is 325% higher than the Pennsylvania average and 1201% higher than the national average. The median age in White Oak is 53 which is approximately 32% higher than the Pennsylvania average of 41. In White Oak, 64% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 88% of White Oak residents were born in Pennsylvania, 9% were born out of state, 0% were born outside of the United States and 2% were foreign born.