All Employees: Mining and Logging: Oil and Gas Extraction in California was 3.43212 Thous. of Persons in December of 2025, according to the United States Federal Reserve. Historically, All Employees: Mining and Logging: Oil and Gas Extraction in California reached a record high of 6.94265 in April of 2015 and a record low of 1.26204 in December of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Mining and Logging: Oil and Gas Extraction in California - last updated from the United States Federal Reserve on April of 2026.