Smicksburg, PA has a population of 35 and is the 28,499th largest city in the United States. The population density is 240 per sq mi which is 13% lower than the Pennsylvania average and 165% higher than the national average. The median age in Smicksburg is 52 which is approximately 27% higher than the Pennsylvania average of 41. In Smicksburg, 73% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 91% of Smicksburg residents were born in Pennsylvania, 9% were born out of state, 0% were born outside of the United States and 0% were foreign born.