
Fairhaven
- County:
- Humboldt County
- County Seat:
- No
- Area (mi²):
- 0.65
- State:
- California
Fairhaven is a CDP located in Humboldt County, California. Fairhaven has a 2025 population of 426. Fairhaven is currently growing at a rate of 7.04% annually and its population has increased by 67.72% since the most recent census, which recorded a population of 254 in 2020.
The average household income in Fairhaven is $93,158 with a poverty rate of 10.65%. The median age in Fairhaven is 54.4 years: 57.2 years for males, and 49.6 years for females.