Places of Worship, 2014

This layer displays locations of places of worship. Address-level data are acquired from the IRS Exempt Organization Business Master File Extract (EO BMF) based on filing requirement code.

Places of Worship, 2016

This layer displays locations of places of worship. Address-level data are acquired from the September 2016 IRS Exempt Organization Business Master File Extract (EO BMF) based on filing requirement code.

Places of Worship, 2018

This layer displays locations of places of worship. Address-level data are acquired from the July 2018 IRS Exempt Organization Business Master File Extract (EO BMF) based on filing requirement code.

Latter-day Saints / Mormons

This layer displays the number of Latter-Day Saints adherents using data from the Association of Religious Data Archives (ARDA).

Mainline Protestants

This layer displays the number of Mainline Protestants Adherents using data from the Association of Religious Data Archives (ARDA).

Predominant Religion

This layer displays the predominant religion in each county according to the Association of Religion Data Archives (ARDA). Adherents for each congregation were summarized according to broader categories with the category with the highest number of adherents displayed here. Categories include Evangelical Protestant, Mainline Protestant, Historically Black Protestant, Judaism, Orthodox, Latter Day Saints, Catholic, or Other.

Roman Catholics

This layer displays the number of Catholic adherents using data from the Association of Religious Data Archives (ARDA).

Religious Diversity

This layer displays the religious diversity index in each county using data from the Association of Religious Data Archives (ARDA). Adherents for each congregation were summarized according to broader categories. Categories used to calculate the index include Evangelical Protestant, Mainline Protestant, Historically Black Protestant, Judaism, Orthodox, Latter Day Saints, Catholic, Hindu, Buddhist, Jehova’s Witness, and Muslim.

Evangelical Protestant Adherents

This layer displays the number of Evangelical Protestants Adherents using data from the Association of Religious Data Archives (ARDA).