San Jose, CA has a population of 1,009,363 and is the 10th largest city in the United States. The population density is 5,686 per sq mi which is 2347% higher than the California average and 6176% higher than the national average. The median age in San Jose is 36 which is approximately equal to the California average of 36. In San Jose, 56% of the population over 15 years of age are married, 43% speak English and 23% speak Spanish. 48% of San Jose residents were born in California, 12% were born out of state, 1% were born outside of the United States and 39% were foreign born.