Rancho Tehama Reserve, CA has a population of 2,024 and is the 10,955th largest city in the United States. The population density is 174 per sq mi which is 25% lower than the California average and 92% higher than the national average. The median age in Rancho Tehama Reserve is 44 which is approximately 23% higher than the California average of 36. In Rancho Tehama Reserve, 42% of the population over 15 years of age are married, 77% speak English and 22% speak Spanish. 77% of Rancho Tehama Reserve residents were born in California, 16% were born out of state, 0% were born outside of the United States and 7% were foreign born.