
Twain
- County:
- Plumas County
- County Seat:
- No
- Area (mi²):
- 7.19
- State:
- California
Twain is a CDP located in Plumas County, California. Twain has a 2025 population of 399. Twain is currently growing at a rate of 7.26% annually and its population has increased by 31.68% since the most recent census, which recorded a population of 303 in 2020.
The average household income in Twain is $47,507 with a poverty rate of 54.11%. The median age in Twain is 54.7 years: 54.3 years for males, and 59.1 years for females.