Reference 1: % "Nones" (2014)[2].
Reference 2: United States, Vermont, New Hampshire, Washington, Massachusetts, Alaska, Maine, Oregon, Montana, Colorado, Nevada, Idaho, California, Arizona, New York, Wyoming, Hawaii, Indiana, Wisconsin, Washington D.C., Michigan, Florida, Delaware, Connecticut, Maryland, Ohio, Utah, Illinois, Kentucky, New Mexico, Iowa, Pennsylvania, Rhode Island, Nebraska, Virginia, Missouri, Minnesota, Kansas, North Carolina, North Dakota, South Carolina, New Jersey, West Virginia, South Dakota, Texas, Oklahoma, Georgia, Arkansas, Tennessee, Mississippi, Louisiana and Alabama.
Source: http://en.wikipedia.org/wiki/Irreligion_in_the_United_States
Reference 2: United States, Vermont, New Hampshire, Washington, Massachusetts, Alaska, Maine, Oregon, Montana, Colorado, Nevada, Idaho, California, Arizona, New York, Wyoming, Hawaii, Indiana, Wisconsin, Washington D.C., Michigan, Florida, Delaware, Connecticut, Maryland, Ohio, Utah, Illinois, Kentucky, New Mexico, Iowa, Pennsylvania, Rhode Island, Nebraska, Virginia, Missouri, Minnesota, Kansas, North Carolina, North Dakota, South Carolina, New Jersey, West Virginia, South Dakota, Texas, Oklahoma, Georgia, Arkansas, Tennessee, Mississippi, Louisiana and Alabama.
Source: http://en.wikipedia.org/wiki/Irreligion_in_the_United_States
