Saguache, CO has a population of 491 and is the 19,658th largest city in the United States. The population density is 1,232 per sq mi which is 2100% higher than the Colorado average and 1260% higher than the national average. The median age in Saguache is 54 which is approximately 49% higher than the Colorado average of 36. In Saguache, 52% of the population over 15 years of age are married, 78% speak English and 21% speak Spanish. 56% of Saguache residents were born in Colorado, 40% were born out of state, 2% were born outside of the United States and 2% were foreign born.