Yuma, CO has a population of 3,593 and is the 7,928th largest city in the United States. The population density is 1,152 per sq mi which is 2214% higher than the Colorado average and 1172% higher than the national average. The median age in Yuma is 43 which is approximately 19% higher than the Colorado average of 36. In Yuma, 70% of the population over 15 years of age are married, 76% speak English and 24% speak Spanish. 58% of Yuma residents were born in Colorado, 26% were born out of state, 0% were born outside of the United States and 15% were foreign born.