Clearfield, PA has a population of 6,058 and is the 5,728th largest city in the United States. The population density is 3,360 per sq mi which is 1113% higher than the Pennsylvania average and 3609% higher than the national average. The median age in Clearfield is 44 which is approximately 7% higher than the Pennsylvania average of 41. In Clearfield, 54% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 88% of Clearfield residents were born in Pennsylvania, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.