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Fairfield, IA Micro Area - Metro Area 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 1 1,009 64.42
United Methodist Church Mainline Protestant Methodist Family 4 772 49.29
Friends United Meeting Mainline Protestant Friends/Brethren Family 3 449 28.67
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 2 337 21.52
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 1 334 21.32
Muslim Estimate Islam Islam Family 1 302 19.28
Hindu Yoga and Meditation Hinduism 1 274 17.49
Lutheran Congregations in Mission for Christ Evangelical Protestant Lutheran Family 1 202 12.90
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 1 200 12.77
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 4 200 12.77
Amish Groups, undifferentiated Evangelical Protestant Mennonite/Amish Family 1 149 9.51
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 1 144 9.19
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 1 110 7.02
Church of the Brethren Evangelical Protestant Friends/Brethren Family 1 64 4.09
International Church of the Foursquare Gospel Evangelical Protestant Pentecostal Family 1 58 3.70
Church of the Nazarene Evangelical Protestant Holiness Family 1 54 3.45
Baha'i Faith Other Other Groups Family 1 33 2.11
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 2 0 0.00
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 1 0 0.00
Free Methodist Church – USA Evangelical Protestant Holiness Family 1 0 0.00
Hindu, Traditional Temples Hinduism Hinduism Family 1
Liberal Catholic Church, Province of the United States of America Other Christians Other Groups Family 1
General Association of Regular Baptist Churches Evangelical Protestant Baptist Family 1
American Association of Lutheran Churches Evangelical Protestant Lutheran Family 1
United Pentecostal Church International Evangelical Protestant Pentecostal Family 1

Religious Traditions (1980 - 2020), Percent of Population

The population of this metro area was 15,663 in 2020. The adherent totals of the religious groups listed above (4,691) included 29.9% 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

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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