None of the households in Johannesburg, CA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
81.4% of the residents in Johannesburg, CA are U.S. citizens.
In 2014, the median property value in Johannesburg, CA was $46,900, and the homeownership rate was 100%.