West Carson, CA has a population of 21,929 and is the 1,987th largest city in the United States. The population density is 9,678 per sq mi which is 4065% higher than the California average and 10582% higher than the national average. The median age in West Carson is 44 which is approximately 22% higher than the California average of 36. In West Carson, 54% of the population over 15 years of age are married, 45% speak English and 26% speak Spanish. 46% of West Carson residents were born in California, 14% were born out of state, 2% were born outside of the United States and 38% were foreign born.