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Hardin County, Iowa - 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
United Methodist Church Mainline Protestant Methodist Family 8 2,077 123.06
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 5 1,513 89.64
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 5 1,466 86.86
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 5 700 41.47
Catholic Church Catholic Catholic Liturgical Family 2 634 37.56
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 1 611 36.20
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 2 304 18.01
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 2 303 17.95
Association of Free Lutheran Congregations Evangelical Protestant Lutheran Family 1 147 8.71
Friends United Meeting Mainline Protestant Friends/Brethren Family 1 129 7.64
Open Bible Churches Evangelical Protestant Pentecostal Family 1 126 7.47
Lutheran Congregations in Mission for Christ Evangelical Protestant Lutheran Family 2 120 7.11
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 1 76 4.50
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 1 70 4.15
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 1 30 1.78
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 1 28 1.66
Episcopal Church Mainline Protestant Anglican/Episcopal Family 1 15 0.89
Baha'i Faith Other Other Groups Family 0 5 0.30
United Pentecostal Church International Evangelical Protestant Pentecostal Family 1
Converge Worldwide Evangelical Protestant Baptist Family 1
Evangelical Free Church of America Evangelical Protestant Methodist Family 1
North American Baptist Conference Evangelical Protestant Baptist Family 1
North American Lutheran Church Evangelical Protestant Lutheran Family 1
General Association of Regular Baptist Churches Evangelical Protestant Baptist Family 3

Religious Traditions (1980 - 2020), Percent of Population

The population of this county was 16,878 in 2020. The adherent totals of the religious groups listed above (8,354) included 49.5% 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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