Weaverville, CA has a population of 3,241 and is the 8,420th largest city in the United States. The population density is 311 per sq mi which is 34% higher than the California average and 243% higher than the national average. The median age in Weaverville is 50 which is approximately 39% higher than the California average of 36. In Weaverville, 53% of the population over 15 years of age are married, 92% speak English and 7% speak Spanish. 69% of Weaverville residents were born in California, 30% were born out of state, 0% were born outside of the United States and 1% were foreign born.