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Waukesha County, Wisconsin - County Membership Report (2020)

Exact definitions of "congregations" and "adherents" vary by religious body. Congregations may be parishes, churches, synagogues, mosques, temples, or another site where a religious body has regularly scheduled worship services. Adherents generally are members, children who are not members, and others who are not members but are considered participants in the congregation.

[More information on the data sources]

Religious Bodies Tradition Family Congregations Adherents Adherence Rate
Catholic Church Catholic Catholic Liturgical Family 29 127,861 314.17
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 38 23,880 58.68
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 17 19,475 47.85
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 26 18,074 44.41
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 18 14,969 36.78
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 9 6,348 15.60
Hindu, Traditional Temples Hinduism Hinduism Family 3 5,731 14.08
Muslim Estimate Islam Islam Family 1 4,114 10.11
United Methodist Church Mainline Protestant Methodist Family 15 4,084 10.03
Christian and Missionary Alliance Evangelical Protestant Holiness Family 2 4,059 9.97
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 12 2,576 6.33
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 5 2,315 5.69
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 4 2,224 5.46
Buddhism, Theravada Buddhism Buddhism Family 3 1,877 4.61
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 7 1,738 4.27
Episcopal Church Mainline Protestant Anglican/Episcopal Family 9 1,269 3.12
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 13 1,232 3.03
Christian Reformed Church in North America Evangelical Protestant Presbyterian/Reformed Family 1 676 1.66
Unitarian Universalist Association Other Christians Liberal Family 3 619 1.52
Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 1 407 1.00
Seventh-day Adventist Church Evangelical Protestant Adventist Family 2 382 0.94
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 5 296 0.73
Presbyterian Church in America Evangelical Protestant Presbyterian/Reformed Family 4 277 0.68
National Association of Congregational Christian Churches Mainline Protestant Congregationalists (United Church of Christ) Family 2 199 0.49
Baha'i Faith Other Other Groups Family 3 184 0.45
Wesleyan Church Evangelical Protestant Holiness Family 2 158 0.39
Churches of Christ Evangelical Protestant Restorationists Family 1 65 0.16
Church of the Nazarene Evangelical Protestant Holiness Family 1 51 0.13
Mennonite Church, USA Evangelical Protestant Mennonite/Amish Family 1 48 0.12
Free Methodist Church – USA Evangelical Protestant Holiness Family 1 40 0.10
Salvation Army Evangelical Protestant Holiness Family 1 38 0.09
Southern Baptist Convention Evangelical Protestant Baptist Family 1 32 0.08
Evangelical Free Church of America Evangelical Protestant Methodist Family 2
Evangelical Presbyterian Church (1981) Evangelical Protestant Presbyterian/Reformed Family 1
Grace Gospel Fellowship Evangelical Protestant Independent Fundamentalist Family 1
Jain Other Other Groups Family 1
Elim Fellowship Evangelical Protestant Pentecostal Family 1
Chabad Judaism Judaism 1
Anglican Catholic Church Other Christians Anglican/Episcopal Family 1
New Testament Association of Independent Baptist Churches Evangelical Protestant Baptist Family 1
North American Baptist Conference Evangelical Protestant Baptist Family 2
North American Lutheran Church Evangelical Protestant Lutheran Family 2
Orthodox Presbyterian Church Evangelical Protestant Presbyterian/Reformed Family 1
Anglican Church in America Mainline Protestant Anglican/Episcopal Family 1
General Conference of the Church of God (Seventh Day) Evangelical Protestant Adventist Family 1
General Association of Regular Baptist Churches Evangelical Protestant Baptist Family 4
International Communion of the Charismatic Episcopal Church Evangelical Protestant Anglican/Episcopal Family 1
Christian Brethren (Plymouth Brethren) Evangelical Protestant Independent Fundamentalist Family 1
American Sikh Council Other Other Groups Family 1
Anglican Church in North America Evangelical Protestant Anglican/Episcopal Family 3
Converge Worldwide Evangelical Protestant Baptist Family 4
Brethren in Christ Church Evangelical Protestant Friends/Brethren Family 1
Christian Congregation in North America Evangelical Protestant Pentecostal Family 1
United Pentecostal Church International Evangelical Protestant Pentecostal Family 7
Church of Christ, Scientist Other Christians Christian Science Family 1
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this county was 406,978 in 2020. The adherent totals of the religious groups listed above (245,298) included 60.3% of the total population in 2020. The adherence rate is the number of adherents of a given group per 1,000 people in the general population.

Note that data collection methods for religious bodies change over time, affecting the comparability of statistics. For further information, see the U.S. Religion Census website at https://www.usreligioncensus.org/.

The 2020 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include data for 372 religious bodies or groups. Of these, the ASARB was able to gather data on congregations and adherents for 217 and on congregations only for 155.

[More information on the data sources]

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