Stanford, CA has a population of 14,926 and is the 2,848th largest city in the United States. The population density is 5,465 per sq mi which is 2252% higher than the California average and 5932% higher than the national average. The median age in Stanford is 22 which is approximately 39% lower than the California average of 36. In Stanford, 19% of the population over 15 years of age are married, 59% speak English and 8% speak Spanish. 30% of Stanford residents were born in California, 39% were born out of state, 2% were born outside of the United States and 28% were foreign born.