Ross, CA has a population of 2,381 and is the 10,101st largest city in the United States. The population density is 1,530 per sq mi which is 558% higher than the California average and 1589% higher than the national average. The median age in Ross is 44 which is approximately 23% higher than the California average of 36. In Ross, 68% of the population over 15 years of age are married, 91% speak English and 3% speak Spanish. 54% of Ross residents were born in California, 34% were born out of state, 2% were born outside of the United States and 10% were foreign born.