Loveland, CO has a population of 73,360 and is the 489th largest city in the United States. The population density is 2,143 per sq mi which is 4204% higher than the Colorado average and 2265% higher than the national average. The median age in Loveland is 40 which is approximately 10% higher than the Colorado average of 36. In Loveland, 60% of the population over 15 years of age are married, 94% speak English and 5% speak Spanish. 42% of Loveland residents were born in Colorado, 53% were born out of state, 1% were born outside of the United States and 4% were foreign born.