Carnot-Moon, PA has a population of 12,664 and is the 3,278th largest city in the United States. The population density is 2,117 per sq mi which is 664% higher than the Pennsylvania average and 2237% higher than the national average. The median age in Carnot-Moon is 33 which is approximately 19% lower than the Pennsylvania average of 41. In Carnot-Moon, 45% of the population over 15 years of age are married, 89% speak English and 3% speak Spanish. 65% of Carnot-Moon residents were born in Pennsylvania, 23% were born out of state, 1% were born outside of the United States and 12% were foreign born.