Kremmling, CO has a population of 1,741 and is the 11,844th largest city in the United States. The population density is 1,316 per sq mi which is 2543% higher than the Colorado average and 1352% higher than the national average. The median age in Kremmling is 33 which is approximately 10% lower than the Colorado average of 36. In Kremmling, 49% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 40% of Kremmling residents were born in Colorado, 56% were born out of state, 1% were born outside of the United States and 3% were foreign born.