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U.S. Congregational Membership: Reports
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Explore congregational membership in every county, state and urban area in the United States. Based on the Religious Congregations and Membership Study this is the most complete census available on religious congregations and their members.
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(eg. Seattle, WA. or 76710)
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View maps of the United States and individual states for hundreds of variables, including congregational membership, census data, crime statistics and many others.
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Congregational membership data are collected by representatives of the Association of Statisticians of American Religious Bodies (ASARB).
Locate congregations, view maps of census and religion data, and generate a summary report for your area of interest.
GIS Maps & Reports:
Religion Maps and Congregation Locator (InfoGroup) 2009
Demographic Maps, 2007 and 2000
Religion Maps (RCMS), 2000, 1990, 1980
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Data Sources

Maps & Reports

2010 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 236 religious groups, providing information on the number of their congregations and adherents within each state and county in the United States. Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E. Jones, Alexei Krindatch, Richie Stanley and Richard H. Taylor supervised the collection. These data originally appeared in 2010 U.S. Religion Census: Religious Congregations & Membership Study, published by the Association of Statisticians of American Religious Bodies (ASARB).

2000 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 149 religious groups, including number of churches and adherents. Dale E. Jones, Sherri Doty, Clifford Grammich, James E. Horsch, Richard Houseal, Mac Lynn, John P. Marcum, Kenneth M. Sanchagrin and Richard H. Taylor supervised the collection. These data originally appeared in Religious Congregations & Membership in the United States, 2000, published by the Glenmary Research Center.

1990 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 132 religious groups, including number of churches and adherents. Martin B. Bradley, Norman M. Green, Jr., Dale E. Jones, Mac Lynn, and Lou McNeil supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1990, published by the Glenmary Research Center.

1980 data were collected by the Glenmary Research Center and include statistics for 111 Judeo-Christian church bodies, including number of churches and adherents. Bernard Quinn, Herman Anderson, Martin Bradley, Paul Goetting and Peggy Shriver supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1980, published by the Glenmary Research Center.

[More Detailed Information on this Data Source]



GIS Maps

The Infogroup database is compiled from yellow page directories, telephone verification, denominational directories, white pages, utility sources, and church websites. Church related information found in the church sections of the yellow pages is compiled as the phone books go through the standard Infogroup update process and basic information is collected.

The Infogroup compilation associates utilize denominational directories and web research to enhance the data with unique information including religious denomination, church size, church attendance, membership race, church school size, and various church ministries. In addition, new churches and religious organizations are identified through utility connects and other public sources.

[More Detailed Information on this Data Source]


Custom Denominational Reports

Many religious groups have defined geographic boundaries for their work in the United States. These may be called districts, conferences, synods, dioceses, presbyteries, or other titles. The Custom Denominational Reports facilitate religious comparisons for these geographic units.

The boundary files used in the Custom Reports have been approved by resource persons from each religious group, but do not always match official boundaries. This is because some official boundaries divide counties, which are the basic reporting unit for the Religion Census. In some cases, a divided county is assigned to two or more units; in other cases, the county is assigned only to one of the units. In each case, persons from the religious group made that decision.

For further information on specific groups, you may contact djones@nazarene.org.