| Mississippi is the most religious U.S. state, with almost six in 10 residents classified as "very religious." Vermont and New Hampshire are the least religious states, with fewer than one in four very religious residents. |
| Read more at GALLUP.com. |
| Mississippi is the most religious U.S. state, with almost six in 10 residents classified as "very religious." Vermont and New Hampshire are the least religious states, with fewer than one in four very religious residents. |
| Read more at GALLUP.com. |