Johannesburg
- County:
- Kern County
- County Seat:
- No
- Area (mi²):
- 2.453
- State:
- California
Johannesburg is a CDP located in Kern County, California. Johannesburg has a 2025 population of 74. Johannesburg is currently declining at a rate of -8.64% annually but its population has increased by 54.17% since the most recent census, which recorded a population of 48 in 2020.
The median age in Johannesburg is 50.1 years: 0 years for males, and 56.3 years for females.