Johannesburg CDP, California Demographics & Population 2026

Population Overview

Johannesburg CDP is a small community located in California. The total population is 77. It ranks as the 1497th most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Johannesburg CDP is 50.1 years. This is 33% higher than the state median of 37.6 years. Only 0.0% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The poverty rate stands at 23.4%. This is 95% higher than the state poverty rate of 12.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 20.0%. This is 212% higher than the state rate of 6.4%. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 79% higher than the state average of 55.8%.

Race & Ethnicity

Johannesburg CDP has a predominantly Asian population, comprising 100.0% of all residents. The Asian population is significantly higher than the state average (100.0% vs 15.0%).

Education

23.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% lower than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 58.4%.

Data Sources & Methodology

All demographic data for Johannesburg CDP, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.