Dunsmuir, CA has a population of 1,631 and is the 12,219th largest city in the United States. The population density is 1,017 per sq mi which is 297% higher than the California average and 1022% higher than the national average. The median age in Dunsmuir is 55 which is approximately 51% higher than the California average of 36. In Dunsmuir, 53% of the population over 15 years of age are married, 91% speak English and 5% speak Spanish. 64% of Dunsmuir residents were born in California, 26% were born out of state, 2% were born outside of the United States and 8% were foreign born.