Salinas, CA has a population of 155,889 and is the 163rd largest city in the United States. The population density is 6,603 per sq mi which is 2741% higher than the California average and 7188% higher than the national average. The median age in Salinas is 30 which is approximately 16% lower than the California average of 36. In Salinas, 48% of the population over 15 years of age are married, 30% speak English and 65% speak Spanish. 54% of Salinas residents were born in California, 7% were born out of state, 1% were born outside of the United States and 38% were foreign born.