In a survey conducted by the California Alliance for Women’s Health Leadership, community-based leaders in women’s health recently identified as key issues lack of health insurance and lack of access to health care for women of color, those with low incomes, and younger women. Without access to these services, a person’s current and future health may be jeopardized. Whether a person has health insurance often depends on such factors as age, race/ethnicity, geographic location, and income. This data brief analyzes some of these characteristics and provides information about health insurance coverage for California women ages 18–64, focusing on variations in uninsurance and job-based coverage.