All Employees: Mining, Quarrying, and Oil and Gas Extraction in California was 16.90000 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Mining, Quarrying, and Oil and Gas Extraction in California reached a record high of 28.20000 in January of 1990 and a record low of 16.90000 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Mining, Quarrying, and Oil and Gas Extraction in California - last updated from the United States Federal Reserve on April of 2026.