Idledale, CO has a population of 316 and is the 22,201st largest city in the United States. The population density is 1,141 per sq mi which is 2191% higher than the Colorado average and 1159% higher than the national average. The median age in Idledale is 43 which is approximately 18% higher than the Colorado average of 36. In Idledale, 51% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 24% of Idledale residents were born in Colorado, 68% were born out of state, 8% were born outside of the United States and 0% were foreign born.