Mountain View, CO has a population of 522 and is the 19,274th largest city in the United States. The population density is 5,614 per sq mi which is 11176% higher than the Colorado average and 6097% higher than the national average. The median age in Mountain View is 42 which is approximately 15% higher than the Colorado average of 36. In Mountain View, 37% of the population over 15 years of age are married, 84% speak English and 9% speak Spanish. 41% of Mountain View residents were born in Colorado, 50% were born out of state, 4% were born outside of the United States and 5% were foreign born.