Tamalpais-Homestead Valley, CA has a population of 10,605 and is the 3,772nd largest city in the United States. The population density is 2,263 per sq mi which is 784% higher than the California average and 2398% higher than the national average. The median age in Tamalpais-Homestead Valley is 46 which is approximately 26% higher than the California average of 36. In Tamalpais-Homestead Valley, 60% of the population over 15 years of age are married, 86% speak English and 3% speak Spanish. 46% of Tamalpais-Homestead Valley residents were born in California, 39% were born out of state, 1% were born outside of the United States and 13% were foreign born.