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Religious Traditions, 2010

1,064,486 217,176 202,751 2,478 1,200,900 59,106 1,786,475
Evangelical Protestant Black Protestant Mainline Protestant Orthodox Catholic 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 Adherence Rate
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 20 10,369 2.5
Christian Methodist Episcopal Church Black Protestant Methodist/Pietist 123 27,056 6.4
Catholic Church Catholic Catholicism 589 1,304,084 310.1
Advent Christian Church Evangelical Protestant Adventist 1 37 0.0
American Baptist Association, The Evangelical Protestant Baptist 85 15,140 3.6
Assemblies of God Evangelical Protestant Pentecostal 186 29,975 7.1
Baptist Missionary Association of America Evangelical Protestant Baptist 51 11,067 2.6
Christian and Missionary Alliance, The Evangelical Protestant Holiness 1 73 0.0
Christian Brethren Evangelical Protestant Ind. Fundamentalist 6 330 0.1
Christian Churches and Churches of Christ Evangelical Protestant Restoration Movement 29 3,221 0.8
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 63 9,708 2.3
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 68 5,750 1.4
Church of God General Conference Evangelical Protestant Adventist 4 273 0.1
Church of God in Christ, Mennonite Evangelical Protestant European Free-Church 2 275 0.1
Church of the Brethren Evangelical Protestant European Free-Church 1 119 0.0
Church of the Nazarene Evangelical Protestant Holiness 57 5,729 1.4
Churches of Christ Evangelical Protestant Restoration Movement 226 22,931 5.5
Cumberland Presbyterian Church Evangelical Protestant Presbyterian-Reformed 7 779 0.2
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist --- --- ---
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist 3 171 0.0
Fire Baptized Holiness Church, (Wesleyan), The Evangelical Protestant Holiness 1 2 0.0
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 2 277 0.1
Free Methodist Church of North America Evangelical Protestant Holiness 14 1,722 0.4
International Pentecostal Holiness Church Evangelical Protestant Pentecostal 2 154 0.0
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 58 20,429 4.9
Mennonite Church Evangelical Protestant European Free-Church 1 120 0.0
North American Baptist Conference Evangelical Protestant Baptist 1 85 0.0
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 13 1,594 0.4
Salvation Army Evangelical Protestant Holiness 8 2,400 0.6
Seventh-day Adventist Church Evangelical Protestant Adventist 45 7,811 1.9
Southern Baptist Convention Evangelical Protestant Baptist 1,316 652,246 155.1
Southern Methodist Church Evangelical Protestant Methodist/Pietist 20 1,239 0.3
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 3 277 0.1
American Baptist Churches in the USA Mainline Protestant Baptist 3 1,125 0.3
Christian Church (Disciples of Christ) Mainline Protestant Restoration Movement 25 5,667 1.3
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 96 38,554 9.2
Evangelical Lutheran Church in America Mainline Protestant Lutheran 18 5,761 1.4
Friends (Quakers) Mainline Protestant European Free-Church 2 47 0.0
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups 1 120 0.0
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 133 32,234 7.7
United Church of Christ Mainline Protestant Presbyterian-Reformed 18 3,545 0.8
United Methodist Church, The Mainline Protestant Methodist/Pietist 590 169,328 40.3
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 45 11,581 2.8
Jewish Other Judaism 16 8,769 2.1
Unitarian Universalist Association of Congregations Other Liberal 7 885 0.2
Totals: 3,960 2,413,059  

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.

* 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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