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Arlington County, Virginia - 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 7 37,351 156.51
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 8 7,340 30.76
United Methodist Church Mainline Protestant Methodist Family 12 6,783 28.42
National Baptist Convention, USA, Inc. Black Protestant Baptist Family 3 5,200 21.79
Episcopal Church Mainline Protestant Anglican/Episcopal Family 9 4,348 18.22
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 6 2,952 12.37
Muslim Estimate Islam Islam Family 1 2,216 9.29
Progressive National Baptist Convention, Inc. Black Protestant Baptist Family 3 2,160 9.05
Southern Baptist Convention Evangelical Protestant Baptist Family 20 2,085 8.74
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 7 1,546 6.48
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 6 1,391 5.83
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 2 1,160 4.86
Unitarian Universalist Association Other Christians Liberal Family 1 1,123 4.71
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 3 1,027 4.30
Ethiopian Orthodox Church Orthodox Eastern Liturgical (Orthodox) Family 2 1,000 4.19
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 2 702 2.94
African Methodist Episcopal Zion Church Black Protestant Methodist Family 2 550 2.30
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 1 481 2.02
Conservative Judaism Judaism Judaism Family 1 464 1.94
Coptic Orthodox Church Orthodox Eastern Liturgical (Orthodox) Family 1 450 1.89
Salvation Army Evangelical Protestant Holiness Family 1 416 1.74
Presbyterian Church in America Evangelical Protestant Presbyterian/Reformed Family 2 324 1.36
Church of the Nazarene Evangelical Protestant Holiness Family 2 293 1.23
Seventh-day Adventist Church Evangelical Protestant Adventist Family 1 253 1.06
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 1 244 1.02
Churches of Christ Evangelical Protestant Restorationists Family 1 229 0.96
Reconstructionist Judaism Judaism Judaism Family 1 216 0.91
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 2 160 0.67
Baha'i Faith Other Other Groups Family 1 158 0.66
Wesleyan Church Evangelical Protestant Holiness Family 1 133 0.56
Church of the Brethren Evangelical Protestant Friends/Brethren Family 1 105 0.44
Christian and Missionary Alliance Evangelical Protestant Holiness Family 1 100 0.42
National Association of Free Will Baptists Evangelical Protestant Baptist Family 1 56 0.23
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 1 32 0.13
Chabad Judaism Judaism 1
Christian Brethren (Plymouth Brethren) Evangelical Protestant Independent Fundamentalist Family 1
Church of Christ, Scientist Other Christians Christian Science Family 1
Anglican Church in North America Evangelical Protestant Anglican/Episcopal Family 2
Christadelphians Other Christians Other Groups Family 1

Religious Traditions (1980 - 2020), Percent of Population

The population of this county was 238,643 in 2020. The adherent totals of the religious groups listed above (83,048) included 34.8% 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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