Las Animas, CO has a population of 1,909 and is the 11,292nd largest city in the United States. The population density is 1,178 per sq mi which is 2267% higher than the Colorado average and 1201% higher than the national average. The median age in Las Animas is 50 which is approximately 38% higher than the Colorado average of 36. In Las Animas, 64% of the population over 15 years of age are married, 82% speak English and 17% speak Spanish. 61% of Las Animas residents were born in Colorado, 33% were born out of state, 1% were born outside of the United States and 5% were foreign born.