More than half of all U.S. residents identified as either Protestant or non-Catholic Christian in 2013, making it the most ubiquitous religious grouping, according to a new Gallup report that looked at survey data of more than 178,000 people.

The Most Protestant States

Mississippi and Alabama, both with 77 percent of their population identifying as Protestant, were the most Protestant states in the U.S.

Predictably, the most Protestant states are all located in the South, an area also known as the Bible Belt.

The least Protestant state was Utah, which has a high concentration of Mormons.

Here’s a map of states color-coded by the percentage of population that identify as Protestant. Click on any state to see what percentage of the population are Protestant, and how that state ranks.

The Most Catholic States

Rhode Island was the most Catholic state in the U.S. with 54 percent of the state’s population identifying as such.

Many heavily Catholic states were located in the Northeast and a few were located in the Midwestern region.

Here’s a map of states color-coded by the percentage of population that identify as Catholic. Click on any state to see what percentage of the population are Catholic, and how that state ranks.

The Most Mormon States

Utah had the highest representation of Mormons -- 60 percent -- followed by Idaho, with 24 percent.

Here’s a map of the 11 most Mormon states in the U.S. Click on any state for more info:

The Most Jewish States

New York was the most Jewish state, with 7 percent of the population identifying as Jewish.

Here’s a map of the most Jewish states and Washington, D.C. Click on any state for more info:

The Least Religious States

A fairly significant percentage of those surveyed said that they were not religious or had “no religious preference.”

Oregon was the least religious state -- 27 percent of the population said they had no religious preference, followed by Vermont and New Hampshire.

Overall, the Northwest tended to be less religious than the rest of the U.S.

Here’s a map of the least religious states in the U.S. Click on any state for more info: