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