data californiaQualified Medical Evaluator database. Areas of Expertise by QME Specialty for MD and DO Physicians Performing QME Evaluations; Areas of Expertise by QME Specialty forCalifornia is a state in United States. The population in California was 39,431,263 in 2025. The median age in California was 37.6 in 2025. The median income in California was $41,901 in