Lima, PA has a population of 2,069 and is the 10,816th largest city in the United States. The population density is 1,408 per sq mi which is 408% higher than the Pennsylvania average and 1454% higher than the national average. The median age in Lima is 78 which is approximately 91% higher than the Pennsylvania average of 41. In Lima, 79% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 69% of Lima residents were born in Pennsylvania, 28% were born out of state, 0% were born outside of the United States and 3% were foreign born.