Angwin, CA has a population of 3,505 and is the 8,046th largest city in the United States. The population density is 726 per sq mi which is 212% higher than the California average and 701% higher than the national average. The median age in Angwin is 25 which is approximately 30% lower than the California average of 36. In Angwin, 37% of the population over 15 years of age are married, 69% speak English and 16% speak Spanish. 56% of Angwin residents were born in California, 28% were born out of state, 2% were born outside of the United States and 14% were foreign born.