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Washington

Religious Traditions, 2010

820,643 14,289 308,292 16,987 784,332 383,462 4,396,535
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
Non-denominational Evangelical Protestant
----
743 309,440 46.0
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 520 267,267 39.7
Assemblies of God Evangelical Protestant Pentecostal 342 125,005 18.6
Catholic Church Catholic Catholicism 312 784,332 116.6
Southern Baptist Convention Evangelical Protestant Baptist 280 51,665 7.7
Evangelical Lutheran Church in America Mainline Protestant Lutheran 259 96,555 14.4
United Methodist Church, The Mainline Protestant Methodist/Pietist 244 66,616 9.9
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 217 61,502 9.1
Seventh-day Adventist Church Evangelical Protestant Adventist 206 52,944 7.9
Jehovah's Witnesses Other Adventist 166 --- ---
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 160 38,874 5.8
Church of the Nazarene Evangelical Protestant Holiness 154 36,477 5.4
Churches of Christ Evangelical Protestant Baptist 133 13,233 2.0
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 127 33,410 5.0
American Baptist Churches in the USA Mainline Protestant Baptist 119 26,638 4.0
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 117 32,807 4.9
Christian and Missionary Alliance, The Evangelical Protestant Holiness 85 18,843 2.8
Bahá'í Other Other Groups 82 7,087 1.1
United Church of Christ Mainline Protestant Presbyterian-Reformed 77 11,735 1.7
Buddhism, Mahayana Other Other Groups 70 31,254 4.6
Conservative Baptist Association of America Evangelical Protestant Baptist 64 --- ---
Christian Churches and Churches of Christ Evangelical Protestant Baptist 62 21,011 3.1
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 62 14,190 2.1
Calvary Chapel Fellowship Churches Evangelical Protestant Pentecostal 57 --- ---
United Pentecostal Church International Evangelical Protestant Pentecostal 55 --- ---
General Association of Regular Baptist Churches Evangelical Protestant Baptist 54 --- ---
Christian Church (Disciples of Christ) Mainline Protestant Baptist 53 7,697 1.1
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed 52 9,497 1.4
Evangelical Covenant Church, The Evangelical Protestant Methodist/Pietist 50 12,023 1.8
Free Methodist Church of North America Evangelical Protestant Holiness 49 10,057 1.5
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 47 7,228 1.1
Church of Christ, Scientist Other Christian Science 44 --- ---
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 41 5,342 0.8
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 38 4,859 0.7
Independent Fundamental Churches of America Evangelical Protestant Ind. Fundamentalist 38 --- ---
Muslim Estimate Other Other Groups 36 19,092 2.8
Buddhism, Vajrayana Other Other Groups 30 3,100 0.5
Church of God in Christ Black Protestant Pentecostal 30 6,838 1.0
Unitarian Universalist Association of Congregations Other Liberal 28 7,488 1.1
Community of Christ Other Latter-day Saints 26 4,147 0.6
Hindu, Post Renaissance Other Other Groups 25 903 0.1
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 25 3,887 0.6
Anglican Church in North America Evangelical Protestant Episcopalianism/Anglicanism 24 --- ---
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 24 3,149 0.5
Salvation Army Evangelical Protestant Holiness 24 7,390 1.1
Independent Yearly Meetings of Friends* Mainline Protestant European Free-Church 23 560 0.1
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal 23 3,118 0.5
Unity Churches, Association of Other Other Groups 23 --- ---
Lutheran Congregations in Mission for Christ Evangelical Protestant Lutheran 22 8,790 1.3
U.S. Mennonite Brethren Evangelical Protestant European Free-Church 22 8,819 1.3
Church of God of Prophecy Evangelical Protestant Pentecostal 21 1,121 0.2
International Pentecostal Holiness Church Evangelical Protestant Pentecostal 20 1,183 0.2
Korean Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 19 --- ---
Buddhism, Theravada Other Other Groups 18 14,711 2.2
Evangelical Friends Church International* Evangelical Protestant European Free-Church 18 1,348 0.2
North American Baptist Conference Evangelical Protestant Baptist 18 2,132 0.3
Pentecostal Church of God Evangelical Protestant Pentecostal 18 1,959 0.3
Reform Judaism Other Judaism 17 11,950 1.8
Evangelical Church, The Evangelical Protestant Holiness 14 --- ---
Orthodox Judaism Other Judaism 14 2,960 0.4
Vineyard USA Evangelical Protestant Pentecostal 14 2,696 0.4
American Baptist Association, The Evangelical Protestant Baptist 13 1,317 0.2
Church of the Brethren Evangelical Protestant European Free-Church 12 854 0.1
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran 12 1,858 0.3
Grace Brethren Churches, Fellowship of Mainline Protestant European Free-Church 11 --- ---
Korean Presbyterian Church Abroad Evangelical Protestant Presbyterian-Reformed 10 --- ---
Orthodox Presbyterian Church, The Evangelical Protestant Presbyterian-Reformed 10 933 0.1
Reformed Baptist Churches Evangelical Protestant Baptist 10 --- ---
African Methodist Episcopal Church Black Protestant Methodist/Pietist 9 2,969 0.4
Korean-American Presbyterian Church Evangelical Protestant Presbyterian-Reformed 9 --- ---
Orthodox Church in America Orthodox Eastern Liturgical (Orthodox) 9 1,496 0.2
Reformed Church in America Mainline Protestant Presbyterian-Reformed 9 2,735 0.4
Antiochian Orthodox Christian Archdiocese of North America, The Orthodox Eastern Liturgical (Orthodox) 8 1,232 0.2
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 8 6,017 0.9
Hindu, Indian-American Hindu Temple Assoc. Other Other Groups 8 3,263 0.5
Independent Baptist Fellowship International Evangelical Protestant Baptist 8 --- ---
Missionary Church, The Evangelical Protestant Holiness 8 268 0.0
Apostolic Lutheran Church of America Evangelical Protestant Lutheran 7 --- ---
Association of Free Lutheran Congregations Evangelical Protestant Lutheran 7 --- ---
Hindu, Renaissance Other Other Groups 7 520 0.1
Apostolic Faith Mission of Portland, OR Evangelical Protestant Pentecostal 6 254 0.0
Christian Methodist Episcopal Church Black Protestant Methodist/Pietist 6 944 0.1
Communion of Reformed Evangelical Churches Evangelical Protestant Presbyterian-Reformed 6 --- ---
Mennonite Church USA Evangelical Protestant European Free-Church 6 550 0.1
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups 6 233 0.0
Sikh Other Other Groups 6 --- ---
Wesleyan Church, The Evangelical Protestant Holiness 6 470 0.1
Church of the Lutheran Confession Evangelical Protestant Lutheran 5 --- ---
Conservative Judaism Other Judaism 5 3,856 0.6
Evangelical Lutheran Synod Evangelical Protestant Lutheran 5 1,347 0.2
Grace Gospel Fellowship Evangelical Protestant Ind. Fundamentalist 5 --- ---
Hutterian Brethren Evangelical Protestant Communal 5 --- ---
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed 5 537 0.1
National Baptist Convention, USA, Inc. Black Protestant Baptist 5 2,151 0.3
New Apostolic Church of North America, National Organization of the Other Other Groups 5 --- ---
United Reformed Churches in North America Evangelical Protestant Presbyterian-Reformed 5 --- ---
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 4 501 0.1
Church of God by Faith, Inc. Evangelical Protestant Pentecostal 4 --- ---
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian-Reformed 4 151 0.0
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist 4 --- ---
Evangelical Presbyterian Church Evangelical Protestant Presbyterian-Reformed 4 1,767 0.3
International Churches of Christ Evangelical Protestant Baptist 4 998 0.1
National Missionary Baptist Convention, Inc. Black Protestant Baptist 4 713 0.1
Bible Presbyterian Church (General Synod) Evangelical Protestant Presbyterian-Reformed 3 --- ---
Christian Brethren Evangelical Protestant Ind. Fundamentalist 3 --- ---
Church of God (Seventh Day) Evangelical Protestant Adventist 3 --- ---
Coptic Orthodox Church Orthodox Eastern Liturgical (Orthodox) 3 1,735 0.3
Eritrean Orthodox Orthodox Eastern Liturgical (Orthodox) 3 1,400 0.2
Holy Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) 3 160 0.0
National Spiritualist Association of Churches Other Spiritualist 3 --- ---
Russian Orthodox Church Outside of Russia Orthodox Eastern Liturgical (Orthodox) 3 525 0.1
American Association of Lutheran Churches Evangelical Protestant Lutheran 2 --- ---
Association of Reformed Baptist Churches of America Evangelical Protestant Baptist 2 --- ---
Church of God General Conference Evangelical Protestant Adventist 2 101 0.0
Church of God in Christ, Mennonite Evangelical Protestant European Free-Church 2 236 0.0
Ethiopian Orthodox Orthodox Eastern Liturgical (Orthodox) 2 --- ---
Hindu, Traditional Temples Other Other Groups 2 5,150 0.8
National Association of Free Will Baptists Evangelical Protestant Baptist 2 101 0.0
North American Lutheran Church Evangelical Protestant Lutheran 2 --- ---
Protestant Reformed Churches in America Evangelical Protestant Presbyterian-Reformed 2 117 0.0
Reconstructionist Judaism Other Judaism 2 685 0.1
Seventh Day Baptist General Conference, USA and Canada Evangelical Protestant Baptist 2 103 0.0
Tao Other Other Groups 2 --- ---
Union of Messianic Jewish Congregations Other Judaism 2 --- ---
Armenian Church of North America (Catholicosate of Etchmiadzin) Orthodox Eastern Liturgical (Orthodox) 1 2,500 0.4
Canadian and American Reformed Churches Evangelical Protestant Presbyterian-Reformed 1 --- ---
Church of the United Brethren in Christ Evangelical Protestant Methodist/Pietist 1 48 0.0
Conservative Lutheran Association Evangelical Protestant Lutheran 1 --- ---
Friends General Conference* Mainline Protestant European Free-Church 1 74 0.0
International Council of Community Churches Mainline Protestant Presbyterian-Reformed 1 --- ---
International Fellowship of Bible Churches Evangelical Protestant
----
1 --- ---
Malankara Archdiocese of the Syrian Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) 1 72 0.0
Malankara Orthodox Syrian Church Orthodox Eastern Liturgical (Orthodox) 1 75 0.0
National Baptist Convention of America, Inc. Black Protestant Baptist 1 173 0.0
Polish National Catholic Church Catholic Catholicism 1 --- ---
Reformed Presbyterian Church Hanover Presbytery Evangelical Protestant Presbyterian-Reformed 1 --- ---
Reformed Presbyterian Church of North America Evangelical Protestant Presbyterian-Reformed 1 83 0.0
Serbian Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) 1 1,500 0.2
Shinto Other Other Groups 1 --- ---
Swedenborgian Church Other Spiritualist 1 --- ---
Ukrainian Orthodox Church of the USA Orthodox Eastern Liturgical (Orthodox) 1 150 0.0
Vicariate for the Palestinian/Jordanian Orthodox Christian Communities Orthodox Eastern Liturgical (Orthodox) 1 125 0.0
Zoroastrian Other Other Groups 1 29 0.0
Totals: 6,114 2,328,005  

The population of Washington was 6,724,540 in 2010; in 2000 it was 5,894,121. The total population changed 14.1%. The adherent totals of the religious groups listed above (2,328,005) included 34.6% 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 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.