La Jara, CO has a population of 666 and is the 17,769th largest city in the United States. The population density is 1,638 per sq mi which is 3191% higher than the Colorado average and 1708% higher than the national average. The median age in La Jara is 36 which is approximately 2% lower than the Colorado average of 36. In La Jara, 58% of the population over 15 years of age are married, 75% speak English and 24% speak Spanish. 83% of La Jara residents were born in Colorado, 13% were born out of state, 1% were born outside of the United States and 3% were foreign born.