For people lacking health insurance in the Washington, DC, region, where they live can make all the difference in getting affordable healthcare, the Washington Post reports. Washington, DC, has taxpayer-funded health insurance for everyone within generous income restrictions. But about 10% of eligible adults remain uninsured, and the city wants to find and enroll them. But in Prince George's County, MD, recent Census Bureau statistics show that one in five working-age adults is uninsured. The census statistics also underscore wide regional differences in how many people are uninsured, the Post reports.