Crockett, CA has a population of 3,103 and is the 8,636th largest city in the United States. The population density is 2,921 per sq mi which is 1157% higher than the California average and 3124% higher than the national average. The median age in Crockett is 47 which is approximately 31% higher than the California average of 36. In Crockett, 56% of the population over 15 years of age are married, 86% speak English and 12% speak Spanish. 73% of Crockett residents were born in California, 19% were born out of state, 0% were born outside of the United States and 8% were foreign born.