Peyton, CO has a population of 334 and is the 21,877th largest city in the United States. The population density is 145 per sq mi which is 192% higher than the Colorado average and 60% higher than the national average. The median age in Peyton is 28 which is approximately 22% lower than the Colorado average of 36. In Peyton, 78% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 85% of Peyton residents were born in Colorado, 15% were born out of state, 0% were born outside of the United States and 0% were foreign born.