Burnham, PA has a population of 2,005 and is the 11,010th largest city in the United States. The population density is 1,905 per sq mi which is 587% higher than the Pennsylvania average and 2003% higher than the national average. The median age in Burnham is 42 which is approximately 4% higher than the Pennsylvania average of 41. In Burnham, 63% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 91% of Burnham residents were born in Pennsylvania, 8% were born out of state, 1% were born outside of the United States and 0% were foreign born.