Cambrian Park, CA has a population of 3,259 and is the 8,390th 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 Cambrian Park is 43 which is approximately 18% higher than the California average of 36. In Cambrian Park, 68% of the population over 15 years of age are married, 82% speak English and 11% speak Spanish. 64% of Cambrian Park residents were born in California, 18% were born out of state, 2% were born outside of the United States and 15% were foreign born.