Johannesburg, CA has a population of 127 and is the 26,231st largest city in the United States. The population density is 53 per sq mi which is 77% lower than the California average and 42% lower than the national average. The median age in Johannesburg is 31 which is approximately 14% lower than the California average of 36. In Johannesburg, 10% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 92% of Johannesburg residents were born in California, 8% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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The population density in Johannesburg is 77% lower than California.
The median age in Johannesburg is 14% lower than California.
In Johannesburg 79.53% of the population is White.
In Johannesburg 0.00% of the population is Black or African American.
In Johannesburg 20.47% of the population is Asian.