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Marin County (California)

Religious Traditions, 2010

8,817 775 9,458 77,114 1,525 12,119 142,601
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 Adherence Rate
Catholic Church Catholic Catholicism 14 42,163 170.50
Jewish Other Judaism 5 18,500 74.81
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 11 3,570 14.44
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 16 3,505 14.17
Southern Baptist Convention Evangelical Protestant Baptist 12 1,878 7.59
Evangelical Lutheran Church in America Mainline Protestant Lutheran 6 1,514 6.12
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 3 1,496 6.05
American Baptist Churches in the USA Mainline Protestant Baptist 7 1,332 5.39
Assemblies of God Evangelical Protestant Pentecostal 5 1,179 4.77
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 1 783 3.17
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 3 757 3.06
United Methodist Church, The Mainline Protestant Methodist/Pietist 4 730 2.95
United Church of Christ Mainline Protestant Presbyterian-Reformed 4 523 2.11
Evangelical Covenant Church, The Evangelical Protestant Methodist/Pietist 1 406 1.64
Bahá'í Other Other Groups 4 244 0.99
Unitarian Universalist Association of Congregations Other Liberal 1 229 0.93
Muslim Estimate Other Other Groups 1 200 0.81
Church of the Nazarene Evangelical Protestant Holiness 1 170 0.69
Seventh-day Adventist Church Evangelical Protestant Adventist 1 168 0.68
Conservative Baptist Association of America Evangelical Protestant Baptist 1 150 0.61
Churches of Christ Evangelical Protestant Baptist 3 149 0.60
Salvation Army Evangelical Protestant Holiness 1 144 0.58
Christian Churches and Churches of Christ Evangelical Protestant Baptist 1 119 0.48
Vineyard USA Evangelical Protestant Pentecostal 1 114 0.46
Orthodox Church in America Orthodox Eastern Liturgical (Orthodox) 1 103 0.42
New Testament Association of Independent Baptist Churches and other Fundamental Bapti Evangelical Protestant Baptist 1 89 0.36
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 1 75 0.30
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 1 54 0.22
Orthodox Presbyterian Church, The Evangelical Protestant Presbyterian-Reformed 1 44 0.18
Friends (Quakers) Mainline Protestant European Free-Church 1 38 0.15
Community of Christ Other Latter-day Saints 1 22 0.09
Buddhists Other Other Groups 12 --- ---
Calvary Chapel Fellowship Churches Evangelical Protestant Pentecostal 1 --- ---
Hindus Other Other Groups 1 --- ---
Totals: 128 80,448  

The population of Marin County, California was 247,289 in 2000; in 1990 it was 230,096. The total population changed 7.5%. The adherent totals of the religious groups listed above (80,448) included 32.5% of the total population in 2000.

* 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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