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Essex County, Massachusetts

Religious Traditions, 2010

20,925 376 33,710 11,590 341,970 15,882 318,706
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 89 329,929 492.4
United Church of Christ Mainline Protestant Presbyterian-Reformed 52 16,160 24.1
United Methodist Church, The Mainline Protestant Methodist/Pietist 34 10,478 15.6
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 28 18,456 27.5
American Baptist Churches in the USA Mainline Protestant Baptist 27 5,898 8.8
Jewish Other Judaism 22 45,007 67.2
Unitarian Universalist Association of Congregations Other Liberal 15 3,160 4.7
Assemblies of God Evangelical Protestant Pentecostal 14 1,989 3.0
Church of Christ, Scientist Other Christian Science 9 --- ---
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 7 --- ---
Seventh-day Adventist Church Evangelical Protestant Adventist 7 468 0.7
Evangelical Lutheran Church in America Mainline Protestant Lutheran 6 2,052 3.1
Church of the Nazarene Evangelical Protestant Holiness 5 672 1.0
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian-Reformed 5 928 1.4
Free Methodist Church of North America Evangelical Protestant Holiness 5 437 0.7
Salvation Army Evangelical Protestant Holiness 5 408 0.6
Christian Brethren Evangelical Protestant Ind. Fundamentalist 4 313 0.5
Friends (Quakers) Mainline Protestant European Free-Church 4 142 0.2
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 4 728 1.1
Primitive Methodist Church in the USA Evangelical Protestant Methodist/Pietist 4 295 0.4
Christian and Missionary Alliance, The Evangelical Protestant Holiness 3 709 1.1
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 3 366 0.5
Conservative Baptist Association of America Evangelical Protestant Baptist 3 --- ---
Advent Christian Church Evangelical Protestant Adventist 2 74 0.1
Christian Church (Disciples of Christ) Mainline Protestant Restoration Movement 2 124 0.2
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 2 477 0.7
Churches of Christ Evangelical Protestant Restoration Movement 2 145 0.2
Independent, Non-Charismatic Churches Evangelical Protestant
2 750 1.1
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 2 619 0.9
Southern Baptist Convention Evangelical Protestant Baptist 2 398 0.6
Armenian Apostolic Church of America (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) 1 800 1.2
Church of God of Prophecy Evangelical Protestant Pentecostal 1 35 0.1
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant Presbyterian-Reformed 1 499 0.7
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 1 339 0.5
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed 1 320 0.5
Orthodox Church in America Orthodox Eastern Liturgical (Orthodox) 1 --- ---
Black Baptists Estimate Evangelical Protestant Baptist --- 3,772 5.6
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal --- --- ---
Totals: 375 446,947  

The population of Essex County, Massachusetts was 670,080 in 1990; in 1980 it was 633,632. The total population changed 5.8%. The adherent totals of the religious groups listed above (446,947) included 66.7% of the total population in 1990.

* 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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