Richmond, CA has a population of 108,303 and is the 277th largest city in the United States. The population density is 3,603 per sq mi which is 1307% higher than the California average and 3877% higher than the national average. The median age in Richmond is 36 which is approximately 1% lower than the California average of 36. In Richmond, 47% of the population over 15 years of age are married, 48% speak English and 35% speak Spanish. 49% of Richmond residents were born in California, 15% were born out of state, 1% were born outside of the United States and 34% were foreign born.