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Religious Traditions, 2010

1,064,486 217,176 202,751 1,200,900 2,478 59,106 1,786,475
Evangelical Protestant Black Protestant Mainline Protestant Catholic Orthodox Other Unclaimed

Congregational adherents include all full members, their children, and others who regularly attend services. The 2010 reports contain incomplete counts of congregations and adherents belonging to the eight largest historically African-American denominations. These denominations are not included in the 2000 reports and are largely missing from the 1990 and 1980 reports.
[More information on the data sources]


Religious Bodies Tradition Family Congregations Adherents % Change
Southern Baptist Convention Evangelical Protestant Baptist +291 +57404 +8.8%
Assemblies of God Evangelical Protestant Pentecostal +35 +24503 +81.7%
International Pentecostal Holiness Church Evangelical Protestant Pentecostal +25 +7793 +5060.4%
Seventh-day Adventist Church Evangelical Protestant Adventist +14 +4279 +54.8%
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal +12 +661 +238.6%
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints +6 +16986 +146.7%
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed +6 +734 +46%
Christian and Missionary Alliance, The Evangelical Protestant Holiness +5 +124 +169.9%
American Baptist Churches in the USA Mainline Protestant Baptist +2 +4254 +378.1%
Churches of Christ Evangelical Protestant Baptist +2 +1663 +7.3%
Church of God in Christ, Mennonite Evangelical Protestant European Free-Church +1 +162 +58.9%
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups +1 +56 +46.7%
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran +1 +88 +31.8%
Church of the Brethren Evangelical Protestant European Free-Church 0 -5 -4.2%
Evangelical Lutheran Church in America Mainline Protestant Lutheran 0 -1136 -19.7%
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 0 -9557 -46.8%
North American Baptist Conference Evangelical Protestant Baptist 0 +48 +56.5%
Unitarian Universalist Association of Congregations Other Liberal 0 +83 +9.4%
Church of God General Conference Evangelical Protestant Adventist -1 -70 -25.6%
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism -1 -10340 -26.8%
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist -1 --- ---
Salvation Army Evangelical Protestant Holiness -1 -320 -13.3%
United Church of Christ Mainline Protestant Presbyterian-Reformed -1 -1709 -48.2%
Cumberland Presbyterian Church Evangelical Protestant Presbyterian-Reformed -3 -689 -88.4%
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist -4 -8069 -77.8%
Christian Brethren Evangelical Protestant Ind. Fundamentalist -4 --- ---
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal -4 +3694 +64.2%
Free Methodist Church of North America Evangelical Protestant Holiness -4 -1312 -76.2%
Christian Church (Disciples of Christ) Mainline Protestant Baptist -5 -2177 -38.4%
Christian Churches and Churches of Christ Evangelical Protestant Baptist -7 -375 -11.6%
Church of God (Anderson, Indiana) Evangelical Protestant Holiness -8 -6093 -62.8%
Church of the Nazarene Evangelical Protestant Holiness -10 -1412 -24.6%
Southern Methodist Church Evangelical Protestant Methodist/Pietist -10 --- ---
Christian Methodist Episcopal Church Black Protestant Methodist/Pietist -16 -9846 -36.4%
Catholic Church Catholic Catholicism -25 -103184 -7.9%
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed -31 -20119 -62.4%
American Baptist Association, The Evangelical Protestant Baptist -34 -4416 -29.2%
United Methodist Church, The Mainline Protestant Methodist/Pietist -89 -22480 -13.3%
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist --- --- ---
Totals: +142 -80777 -3.4%

The population of Louisiana was 4,205,900 in 1980. The adherent totals of the religious groups listed above (2,413,059) included 57.4% of the total population in 1980.

The population of Louisiana was 4,533,372 in 2010; in 2000 it was 4,468,976. The total population changed 1.4%. The adherent totals of the religious groups listed above (2,746,897) included 60.6% of the total population in 2010.

* In an effort to better match the ASARB standards for adherents, a few religious bodies changed the way their adherents were reported in 2010, including the Catholic Church, Amish groups, Friends groups, Jewish groups, the Church of Jesus Christ of Latter-day Saints, Non-denominational Christian Churches, and the United Methodist Church. This change does not affect any of the data in the newly released 2010 U.S. Religion Census: Religious Congregations & Membership Study. In fact, the data for these groups are now more comparable to that of other bodies than it was in previous decadal reports.

However, the change in methodology can distort assessments on growth or decline between 2000 and 2010 for each of these groups. County-level 2000 data using the new methodology are not readily available. ASARB staff has adjusted some 2000 county-level adherent statistics to allow for a more accurate picture on growth or decline. The revised maps and charts are now available on-line at for those who are interested in these trends.


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). [More information on the data collection]

The adherence rate provides the number of adherents of a particular group per 1,000 population. For example, in 2010 the Episcopal Church had an adherence rate of 7.6 in Autauga County, Alabama. This means that about 8 out of every 1,000 people in Autauga County were Episcopalian.

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