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Hartford Seminary

Profile of Nondenominational and Independent Churches Released

The 2010 U.S. Religious Congregations & Membership Study was released on May 1 by the Association of Statisticians of American Religious Bodies. Scott Thumma, Professor of Sociology of Religion at Hartford Seminary, participated in the study, collecting data on non-denominational churches.

His report

If the nation?s independent and nondenominational churches were combined into a single group they would represent the third largest cluster of congregations in the country, following the Roman Catholic Church and the Southern Baptist Convention; second largest number of churches ? following the Southern Baptist. Overall, this research found over 35,000 churches representing more than 12,200,000 adherents. In total, four percent of the US population worships in an independent or nondenominational church.

For further information on the full study:

Summary findings of the U.S. Religion Census 2010

Religious Congregations and Membership Study 2010

For a mapping of the material by states, counties and metro areas visit


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