
Upper Lake
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 1.714
- State:
- California
Upper Lake is a CDP located in Lake County, California. Upper Lake has a 2025 population of 930. Upper Lake is currently declining at a rate of -0.85% annually and its population has decreased by -25.6% since the most recent census, which recorded a population of 1,250 in 2020.
The average household income in Upper Lake is $102,559 with a poverty rate of 8.45%. The median age in Upper Lake is 48 years: 48.4 years for males, and 41.4 years for females.