Colton, CA has a population of 53,856 and is the 746th largest city in the United States. The population density is 3,514 per sq mi which is 1412% higher than the California average and 3779% higher than the national average. The median age in Colton is 30 which is approximately 18% lower than the California average of 36. In Colton, 50% of the population over 15 years of age are married, 54% speak English and 40% speak Spanish. 69% of Colton residents were born in California, 9% were born out of state, 1% were born outside of the United States and 22% were foreign born.