Yukon, PA has a population of 589 and is the 18,554th largest city in the United States. The population density is 628 per sq mi which is 127% higher than the Pennsylvania average and 593% higher than the national average. The median age in Yukon is 59 which is approximately 45% higher than the Pennsylvania average of 41. In Yukon, 68% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 97% of Yukon residents were born in Pennsylvania, 2% were born out of state, 0% were born outside of the United States and 2% were foreign born.