As of June 30, 2015, seven states have uninsured rates

... that are at or below 5%: Rhode Island, Massachusetts, Vermont, Minnesota, Iowa, Connecticut and Hawaii; the only state to be at or below 5% in the previous six years was Massachusetts.

Source: "In U.S., Uninsured Rates Continue to Drop in Most States," Gallup.com, August 10, 2015, http://www.gallup.com/poll/184514/uninsured-rates-continue-drop-states.aspx?utm_source=Well-Being&utm_medium=newsfeed&utm_campaign=tiles