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Lake County (Illinois)

Religious Traditions, 2010

84,501 7,824 36,967 211,380 4,610 33,822 324,358
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]

Reports


Religious Bodies Tradition Family Congregations Adherents Adherence Rate
Non-denominational Evangelical Protestant
----
60 54,850 77.97
Catholic Church Catholic Catholicism 29 211,380 300.49
Southern Baptist Convention Evangelical Protestant Baptist 22 2,886 4.10
Evangelical Lutheran Church in America Mainline Protestant Lutheran 19 12,702 18.06
United Methodist Church, The Mainline Protestant Methodist/Pietist 18 6,375 9.06
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 13 3,069 4.36
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 12 3,120 4.44
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 12 5,877 8.35
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 10 5,277 7.50
United Church of Christ Mainline Protestant Presbyterian-Reformed 10 2,466 3.51
Assemblies of God Evangelical Protestant Pentecostal 9 1,912 2.72
Churches of Christ Evangelical Protestant Baptist 9 917 1.30
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 9 7,526 10.70
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 8 3,686 5.24
Jehovah's Witnesses Other Adventist 8 --- ---
Reform Judaism Other Judaism 8 10,919 15.52
Bahá'í Other Other Groups 7 391 0.56
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 7 602 0.86
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 7 2,580 3.67
National Baptist Convention, USA, Inc. Black Protestant Baptist 6 5,647 8.03
African Methodist Episcopal Church Black Protestant Methodist/Pietist 5 694 0.99
Church of Christ, Scientist Other Christian Science 5 --- ---
Church of the Nazarene Evangelical Protestant Holiness 5 540 0.77
Conservative Judaism Other Judaism 5 7,198 10.23
Orthodox Judaism Other Judaism 5 400 0.57
Seventh-day Adventist Church Evangelical Protestant Adventist 5 1,044 1.48
American Baptist Churches in the USA Mainline Protestant Baptist 4 674 0.96
Christian Churches and Churches of Christ Evangelical Protestant Baptist 4 1,502 2.14
Missionary Church, The Evangelical Protestant Holiness 4 1,600 2.27
Serbian Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) 4 2,820 4.01
Church of God in Christ Black Protestant Pentecostal 3 663 0.94
Evangelical Covenant Church, The Evangelical Protestant Methodist/Pietist 3 324 0.46
Hindu, Indian-American Hindu Temple Assoc. Other Other Groups 3 450 0.64
Independent Fundamental Churches of America Evangelical Protestant Ind. Fundamentalist 3 --- ---
Korean Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 3 --- ---
Korean-American Presbyterian Church Evangelical Protestant Presbyterian-Reformed 3 --- ---
Muslim Estimate Other Other Groups 3 9,894 14.06
Union of Messianic Jewish Congregations Other Judaism 3 --- ---
Anglican Church in North America Evangelical Protestant Episcopalianism/Anglicanism 2 --- ---
Calvary Chapel Fellowship Churches Evangelical Protestant Pentecostal 2 --- ---
Christian Church (Disciples of Christ) Mainline Protestant Baptist 2 525 0.75
Church of God of Prophecy Evangelical Protestant Pentecostal 2 169 0.24
Evangelical Congregational Church, The Evangelical Protestant Methodist/Pietist 2 49 0.07
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 2 90 0.13
General Association of Regular Baptist Churches Evangelical Protestant Baptist 2 --- ---
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 2 1,390 1.98
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 2 163 0.23
Unitarian Universalist Association of Congregations Other Liberal 2 732 1.04
Vineyard USA Evangelical Protestant Pentecostal 2 820 1.17
Armenian Apostolic Church of America (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) 1 100 0.14
Armenian Church of North America (Catholicosate of Etchmiadzin) Orthodox Eastern Liturgical (Orthodox) 1 300 0.43
Buddhism, Mahayana Other Other Groups 1 20 0.03
Christian and Missionary Alliance, The Evangelical Protestant Holiness 1 220 0.31
Church of God (Seventh Day) Evangelical Protestant Adventist 1 --- ---
Community of Christ Other Latter-day Saints 1 121 0.17
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian-Reformed 1 91 0.13
Evangelical Association of Reformed, and Congregational Christian Churches Evangelical Protestant Presbyterian-Reformed 1 --- ---
Evangelical Presbyterian Church Evangelical Protestant Presbyterian-Reformed 1 172 0.24
Free Methodist Church of North America Evangelical Protestant Holiness 1 148 0.21
Friends General Conference* Mainline Protestant European Free-Church 1 177 0.25
Korean Presbyterian Church Abroad Evangelical Protestant Presbyterian-Reformed 1 --- ---
Lutheran Congregations in Mission for Christ Evangelical Protestant Lutheran 1 1,895 2.69
Mennonite Church USA Evangelical Protestant European Free-Church 1 72 0.10
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed 1 645 0.92
National Baptist Convention of America, Inc. Black Protestant Baptist 1 189 0.27
National Missionary Baptist Convention, Inc. Black Protestant Baptist 1 631 0.90
New Apostolic Church of North America, National Organization of the Other Other Groups 1 --- ---
North American Baptist Conference Evangelical Protestant Baptist 1 50 0.07
Orthodox Presbyterian Church, The Evangelical Protestant Presbyterian-Reformed 1 56 0.08
Reformed Baptist Churches Evangelical Protestant Baptist 1 --- ---
Reformed Presbyterian Church of North America Evangelical Protestant Presbyterian-Reformed 1 30 0.04
Salvation Army Evangelical Protestant Holiness 1 158 0.22
Sikh Other Other Groups 1 --- ---
United Pentecostal Church International Evangelical Protestant Pentecostal 1 --- ---
Unity Churches, Association of Other Other Groups 1 --- ---
Wesleyan Church, The Evangelical Protestant Holiness 1 95 0.14
Zoroastrian Other Other Groups 0 11 0.02
Totals: 402 379,104  

The population of Lake County, Illinois was 703,462 in 2010; in 2000 it was 644,356. The total population changed 9.2%. The adherent totals of the religious groups listed above (379,104) included 53.9% 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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