Johannesburg is located in California. Johannesburg, California has a population of 165. Johannesburg is less family-centric than the surrounding county with 0% households with children. The county percentage for households with children is 38%.
The median household income in Johannesburg, California is $31,719. The median household income for the surrounding county is $56,488 compared to the national median of $66,222. The median age of people living in Johannesburg is 38.5 years.
The average high temperature in July is 97.58 degrees, with an average low temperature in January of 34.34 degrees. The annual precipitation is 6.81.