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U.S. Congregational Membership Reports
Explore congregational membership in every county, state, and urban area in the United States. Based on the Religious Congregations and Membership Study collected by the Association of Statisticians of American Religious Bodies this is the most complete census available on religious congregations and their members.
Enter your 5-digit zip code to see a religious profile now:  
TheARDA.com and national religion writer David Briggs have partnered to launch a regular column delivering the latest news in religion research from throughout the world.

Read Ahead of the Trend now!
National Profiles
ARDA's National Profiles provide detailed data by country on religious adherents, religious freedom, demographics and a host of other social measures. Choose a country below to see its profile:
U.S. Denominations
Our American Denominations feature provides detailed information and family trees for over 400 U.S. religious denominations.
QuickStats: U.S. Surveys
Use QuickStats to browse dozens of topics and see reponses from major national surveys, demographic patterns, and changes over time! Available topics:
GIS Maps and Reports
ARDA's Geographic Profiles allow you to view maps of the social, economic, demographic, and religious landscape of the United States, all the way down to the neighborhood level. You can even generate a summary report using a variety of options.
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QuickLists
Use QuickLists to see rank-ordered data on religion in the U.S. and around the world. See our most popular topics:

...or browse through many more by visiting QuickLists.

Compare Yourself
Would you like to see how you compare to other Americans on religion measures? Tell us a little bit about yourself to get started!

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Data Archive
ARDA's Data Archive hosts hundreds of religion-related data sets for free download. Click here to view some of our most popular files:

Visit the Data Archive to browse through hundreds more files.

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News & Research Updates:
Updates to the Data Archive

The following files have recently been added to the Data Archive:

National Congregations Study, Cumulative Dataset (1998 and 2006-2007)
National Congregations Study, Panel Dataset (1998 and 2006-2007)
General Social Survey, 2008
National Study of Youth and Religion, Waves 2 (2005) and 3 (2007-2008)
ASREC/ARDA Working Papers Series
The Association for the Study of Religion, Economics and Culture (ASREC) and ARDA announce a new Working Papers series!
theARDA's Newsletter
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Browse theARDA's Collection
International Surveys and Data
 Cross-National Data
 Multiple Nation Surveys
 Single Nation Surveys
 
U.S. Church Membership Data
 County-Level Data
 State-Level Data
 
U.S. Surveys -->General Population
 National Surveys
  General Social Surveys
  National Election Studies
  Pew Research Center
  Baylor Religion Surveys
  Other National Surveys
 Local/Regional Surveys
  Middletown Data
  Southern Focus Polls
  Other Local/Regional Surveys
 
US Surveys -->Denominations/Other Religious Groups
 Surveys of Members or Leaders
  Adventist
  Baptist
  Catholic
  Jewish
  Lutheran
  Methodist
  Mormon
  Nazarene
  Presbyterian
  Unitarian-Universalist
  Other Groups
 Surveys of Congregations/Other Religious Organizations
  U.S. Congregational Life Survey
  Faith Communities Today
  Other Surveys
 
Other Data