Lochbuie, CO has a population of 5,367 and is the 6,163rd largest city in the United States. The population density is 1,442 per sq mi which is 2796% higher than the Colorado average and 1492% higher than the national average. The median age in Lochbuie is 30 which is approximately 18% lower than the Colorado average of 36. In Lochbuie, 56% of the population over 15 years of age are married, 73% speak English and 27% speak Spanish. 66% of Lochbuie residents were born in Colorado, 22% were born out of state, 1% were born outside of the United States and 12% were foreign born.