
Lakeside
- County:
- San Diego County
- County Seat:
- No
- Area (mi²):
- 1.805
- State:
- California
Lakeside is a CDP located in San Diego County, California. Lakeside has a 2025 population of 1,756. Lakeside is currently growing at a rate of 7.14% annually and its population has increased by 81.22% since the most recent census, which recorded a population of 969 in 2020.
The average household income in Lakeside is $79,898 with a poverty rate of 26.98%. The median age in Lakeside is 57.7 years: 57.4 years for males, and 66.3 years for females.