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State Membership Report
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Maryland

Religious Traditions, 2010

693,990 157,854 500,112 24,799 837,338 201,283 3,358,176
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]

Reports


Religious Bodies Tradition Family Congregations Adherents Adherence Rate†
Catholic Church Catholic Catholicism 300 837,338 145.0
Non-denominational Evangelical Protestant
----
 725 298,921 51.8
United Methodist Church, The Mainline Protestant Methodist/Pietist 876 238,774 41.4
Southern Baptist Convention Evangelical Protestant Baptist 541 150,345 26.0
Evangelical Lutheran Church in America Mainline Protestant Lutheran 207 79,375 13.7
African Methodist Episcopal Church Black Protestant Methodist/Pietist 134 78,364 13.6
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 207 70,836 12.3
American Baptist Churches in the USA Mainline Protestant Baptist 105 52,586 9.1
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 79 42,614 7.4
Seventh-day Adventist Church Evangelical Protestant Adventist 144 41,105 7.1
Muslim Estimate Other Other Groups 54 36,484 6.3
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 140 33,966 5.9
Orthodox Judaism Other Judaism 53 32,840 5.7
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 126 31,273 5.4
National Baptist Convention, USA, Inc. Black Protestant Baptist 49 29,294 5.1
Assemblies of God Evangelical Protestant Pentecostal 119 29,066 5.0
Conservative Judaism Other Judaism 21 28,933 5.0
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 36 21,713 3.8
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 68 21,080 3.7
Reform Judaism Other Judaism 20 17,836 3.1
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 19 17,220 3.0
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 9 14,150 2.5
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 57 13,852 2.4
United Church of Christ Mainline Protestant Presbyterian-Reformed 69 13,507 2.3
Progressive National Baptist Convention, Inc. Black Protestant Baptist 21 12,043 2.1
Church of the Nazarene Evangelical Protestant Holiness 68 11,027 1.9
National Baptist Convention of America, Inc. Black Protestant Baptist 9 10,509 1.8
Church of the Brethren Evangelical Protestant European Free-Church 62 10,144 1.8
Christian Churches and Churches of Christ Evangelical Protestant Restoration Movement 35 8,754 1.5
Wesleyan Church, The Evangelical Protestant Holiness 40 8,675 1.5
Churches of Christ Evangelical Protestant Restoration Movement 50 8,651 1.5
Hindu, Traditional Temples Other Other Groups 7 7,666 1.3
Buddhism, Mahayana Other Other Groups 25 6,732 1.2
Unitarian Universalist Association of Congregations Other Liberal 24 6,634 1.1
Christian Church (Disciples of Christ) Mainline Protestant Restoration Movement 35 6,378 1.1
Buddhism, Theravada Other Other Groups 9 6,028 1.0
Hindu, Indian-American Hindu Temple Assoc. Other Other Groups 8 5,795 1.0
Salvation Army Evangelical Protestant Holiness 12 5,106 0.9
Lutheran Congregations in Mission for Christ Evangelical Protestant Lutheran 7 4,810 0.8
Evangelical Presbyterian Church Evangelical Protestant Presbyterian-Reformed 2 3,733 0.6
Reconstructionist Judaism Other Judaism 7 3,675 0.6
International Pentecostal Holiness Church Evangelical Protestant Pentecostal 18 3,569 0.6
Church of God in Christ Black Protestant Pentecostal 22 3,374 0.6
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 24 3,308 0.6
Bahá'í Other Other Groups 29 3,109 0.5
Friends General Conference and Friends United Meeting, dually aligned meetings* Mainline Protestant European Free-Church 17 2,900 0.5
Christian and Missionary Alliance, The Evangelical Protestant Holiness 23 2,697 0.5
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 9 2,378 0.4
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 16 2,103 0.4
American Baptist Association, The Evangelical Protestant Baptist 6 2,002 0.3
Armenian Apostolic Church of America (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) 1 2,000 0.3
Serbian Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) 1 2,000 0.3
Mennonite Church USA Evangelical Protestant European Free-Church 21 1,933 0.3
National Missionary Baptist Convention, Inc. Black Protestant Baptist 7 1,709 0.3
Antiochian Orthodox Christian Archdiocese of North America, The Orthodox Eastern Liturgical (Orthodox) 5 1,558 0.3
Amish Groups, undifferentiated* Evangelical Protestant European Free-Church 10 1,512 0.3
Orthodox Presbyterian Church, The Evangelical Protestant Presbyterian-Reformed 7 1,305 0.2
Church of God of Prophecy Evangelical Protestant Pentecostal 21 1,208 0.2
Orthodox Church in America Orthodox Eastern Liturgical (Orthodox) 7 1,206 0.2
Churches of God, General Conference Evangelical Protestant Presbyterian-Reformed 18 1,185 0.2
Malankara Orthodox Syrian Church Orthodox Eastern Liturgical (Orthodox) 4 1,030 0.2
Free Methodist Church of North America Evangelical Protestant Holiness 14 979 0.2
International Churches of Christ Evangelical Protestant Baptist 3 907 0.2
Vineyard USA Evangelical Protestant Pentecostal 5 904 0.2
Buddhism, Vajrayana Other Other Groups 12 891 0.2
Associate Reformed Presbyterian Church Evangelical Protestant Presbyterian-Reformed 7 886 0.2
Christian Methodist Episcopal Church Black Protestant Methodist/Pietist 3 848 0.1
Pentecostal Church of God Evangelical Protestant Pentecostal 7 762 0.1
Moravian Church in America--Northern Province Mainline Protestant Methodist/Pietist 3 755 0.1
Coptic Orthodox Church Orthodox Eastern Liturgical (Orthodox) 2 750 0.1
Community of Christ Other Latter-day Saints 5 685 0.1
Ukrainian Orthodox Church of the USA Orthodox Eastern Liturgical (Orthodox) 4 685 0.1
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 4 617 0.1
Hindu, Renaissance Other Other Groups 4 484 0.1
Hindu, Post Renaissance Other Other Groups 18 470 0.1
Eritrean Orthodox Orthodox Eastern Liturgical (Orthodox) 1 450 0.1
Conservative Mennonite Conference Evangelical Protestant European Free-Church 1 439 0.1
Zoroastrian Other Other Groups 0 407 0.1
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups 6 377 0.1
Reformed Church in America Mainline Protestant Presbyterian-Reformed 1 299 0.1
Brethren Church, The (Ashland, Ohio) Evangelical Protestant European Free-Church 3 292 0.1
Friends General Conference* Mainline Protestant European Free-Church 3 243 0.0
American Carpatho-Russian Orthodox Diocese Orthodox Eastern Liturgical (Orthodox) 2 241 0.0
Malankara Archdiocese of the Syrian Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) 2 234 0.0
Patriarchal Parishes of the Russian Orthodox Church in the USA Orthodox Eastern Liturgical (Orthodox) 1 225 0.0
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed 2 212 0.0
International Pentecostal Church of Christ Evangelical Protestant Pentecostal 2 142 0.0
Reformed Presbyterian Church of North America Evangelical Protestant Presbyterian-Reformed 1 131 0.0
Church of the United Brethren in Christ Evangelical Protestant Methodist/Pietist 5 128 0.0
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed 1 116 0.0
Russian Orthodox Church Outside of Russia Orthodox Eastern Liturgical (Orthodox) 2 110 0.0
Holy Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) 1 100 0.0
Mennonite Christian Fellowship* Evangelical Protestant European Free-Church 1 100 0.0
Evangelical Friends Church International* Evangelical Protestant European Free-Church 1 96 0.0
Beachy Amish Mennonite Churches* Evangelical Protestant European Free-Church 1 82 0.0
Missionary Church, The Evangelical Protestant Holiness 2 80 0.0
Georgian Orthodox Parishes in the United States Orthodox Eastern Liturgical (Orthodox) 1 60 0.0
Evangelical Covenant Church, The Evangelical Protestant Methodist/Pietist 1 56 0.0
National Association of Free Will Baptists Evangelical Protestant Baptist 1 55 0.0
Seventh Day Baptist General Conference, USA and Canada Evangelical Protestant Baptist 2 55 0.0
Allegheny Wesleyan Methodist Connection Evangelical Protestant Methodist/Pietist 1 47 0.0
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal 1 26 0.0
Apostolic Christian Church of America, Inc. Evangelical Protestant European Free-Church 1 18 0.0
Cumberland Presbyterian Church Evangelical Protestant Presbyterian-Reformed 1 14 0.0
Conservative Yearly Meetings of Friends* Evangelical Protestant European Free-Church 1 0 ---
Evangelical Congregational Church, The Evangelical Protestant Methodist/Pietist 1 0 ---
Alliance of Baptists Mainline Protestant Baptist 12 --- ---
American Association of Lutheran Churches Evangelical Protestant Lutheran 1 --- ---
American Presbyterian Church Evangelical Protestant Presbyterian-Reformed 1 --- ---
Anglican Church in North America Evangelical Protestant Episcopalianism/Anglicanism 27 --- ---
Association of Free Lutheran Congregations Evangelical Protestant Lutheran 2 --- ---
Association of Messianic Congregations Other Judaism 1 --- ---
Brethren In Christ Church Evangelical Protestant European Free-Church 5 --- ---
Calvary Chapel Fellowship Churches Evangelical Protestant Pentecostal 8 --- ---
Christian Brethren Evangelical Protestant Ind. Fundamentalist 4 --- ---
Church of Christ, Scientist Other Christian Science 18 --- ---
Church of God (Seventh Day) Evangelical Protestant Adventist 2 --- ---
Church of God by Faith, Inc. Evangelical Protestant Pentecostal 1 --- ---
Church of Our Lord Jesus Christ of the Apostolic Faith, Inc. Black Protestant Pentecostal 9 --- ---
Churches of Christ in Christian Union Evangelical Protestant Holiness 3 --- ---
Communion of Reformed Evangelical Churches Evangelical Protestant Presbyterian-Reformed 1 --- ---
Conservative Baptist Association of America Evangelical Protestant Baptist 3 --- ---
Elim Fellowship Evangelical Protestant Pentecostal 3 --- ---
Ethiopian Orthodox Orthodox Eastern Liturgical (Orthodox) 2 --- ---
Evangelical Association of Reformed, and Congregational Christian Churches Evangelical Protestant Presbyterian-Reformed 2 --- ---
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist 1 --- ---
Free Church of Scotland (Continuing) Evangelical Protestant Presbyterian-Reformed 1 --- ---
Full Gospel Baptist Church Fellowship Black Protestant Baptist 21 --- ---
General Association of Regular Baptist Churches Evangelical Protestant Baptist 10 --- ---
Grace Brethren Churches, Fellowship of Mainline Protestant European Free-Church 14 --- ---
Independent Baptist Fellowship International Evangelical Protestant Baptist 1 --- ---
Independent Fundamental Churches of America Evangelical Protestant Ind. Fundamentalist 9 --- ---
International Council of Community Churches Mainline Protestant Presbyterian-Reformed 5 --- ---
International Fellowship of Christian Assemblies Evangelical Protestant
----
 1 --- ---
Jain Other Other Groups 1 --- ---
Jehovah's Witnesses Other Adventist 72 --- ---
Korean Presbyterian Church Abroad Evangelical Protestant Presbyterian-Reformed 2 --- ---
Korean Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 12 --- ---
Korean-American Presbyterian Church Evangelical Protestant Presbyterian-Reformed 5 --- ---
New Apostolic Church of North America, National Organization of the Other Other Groups 2 --- ---
North American Lutheran Church Evangelical Protestant Lutheran 4 --- ---
Pentecostal Fire-Baptized Holiness Church Evangelical Protestant Pentecostal 4 --- ---
Polish National Catholic Church Catholic Catholicism 1 --- ---
Reformed Baptist Churches Evangelical Protestant Baptist 3 --- ---
Reformed Presbyterian Church Hanover Presbytery Evangelical Protestant Presbyterian-Reformed 2 --- ---
Sikh Other Other Groups 4 --- ---
Southern Methodist Church Evangelical Protestant Methodist/Pietist 1 --- ---
Unaffiliated Friends Meetings* Mainline Protestant European Free-Church 2 --- ---
Union of Messianic Jewish Congregations Other Judaism 4 --- ---
United Holy Church of America, Inc. Black Protestant Pentecostal 6 --- ---
United Pentecostal Church International Evangelical Protestant Pentecostal 48 --- ---
Unity Churches, Association of Other Other Groups 9 --- ---
Totals: 5,336 2,415,376  

The population of Maryland was 5,773,552 in 2010; in 2000 it was 5,296,486. The total population changed 9.0%. The adherent totals of the religious groups listed above (2,415,376) included 41.8% 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 www.usreligioncensus.org for those who are interested in these trends.

Source

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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