Leyner, CO has a population of 27 and is the 28,665th largest city in the United States. The population density is 141 per sq mi which is 183% higher than the Colorado average and 56% higher than the national average. The median age in Leyner is 0 which is approximately 100% lower than the Colorado average of 36. In Leyner, 100% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 52% of Leyner residents were born in Colorado, 48% were born out of state, 0% were born outside of the United States and 0% were foreign born.