Format: 
Website, report
Description: This study conducted by PEW, surveyed more than 35,000 Americans from all 50 states about their religious affiliations, beliefs and practices, and social and political views. The website contains an interactive map and several reports.
Link: http://www.pewforum.org/religious-landscape-study/
Citation: “PEW Religious Landscape Study,” Washington, D.C.: PEW Research Center, 2017.