90316 is a census-designated place located in Los Angeles County, California, USA. It is part of the larger city of Charleswater. The total population of the 90316 ZIP Code is 5,060, and it has a population density of 2,499 people per square mile. The majority of the population (66%) are Hispanic or Latino, and the median age of the population is 33. Approximately 36% of the population is below the poverty line and nearly a quarter of the population holds a high school diploma or equivalent. The main industries in the area are retail, healthcare, and educational services. There is also a small, but growing, technology sector.