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Religion in Montana

The United States has rich and diverse religious cultures, and the freedom to practice beliefs has helped give rise to a unique religious pluralism and freedom. Montana is a state in the Mountain West subregion of the Western United States. Christianity is the majority religion and Protestantism is its largest branch. 

Despite Protestants having the majority in Montana, it has a growing percentage of the irreligious population. Since the 1990s, the religious share of Christians has decreased, while Hinduism, Buddhism, Islam, Sikhism, and other religions have spread, mainly from immigration.

also read about Race and Ethnicity in Montana

Montana Religion Percentage

Christianity is the main religion followed by 65% of the population. The largest Christian denomination in Montana is Protestants (42%) followed by Roman Catholics (17%), Mormonism (4%), Eastern Orthodoxy (1%), Jehovah’s Witnesses (1%), and Other Christians.

Non-Christian faiths account for 5%, and the remaining 30% are classified as unaffiliated, which can mean agnostic, atheist, or “nothing in particular.”

Other Religions include Hinduism, Buddhism, Jews, Islam, and other smaller faiths.

Religion/AffiliationsPercentage
Christianity 65%
 – Protestantism – 42%
 – Roman Catholicism – 17%
 – Mormonism -4%
 – Eastern Orthodoxy – 1%
 – Jehovah’s Witnesses – 1%
 – Other Christian – <1%
Other Religion5%
  Judaism <1%
  Islam <1%
  Buddhism 1%
  Hinduism <1%
smaller faiths 4%
  No religion 30%
  Don’t know 1%

Source: Pew Research Center

read about Religion in United States

Christianity in Montana

Christianity with 65% followers is the largest religion in Montana. All Protestant denominations accounted for 42% of the population. Catholics are 17% of the population and are the largest individual denomination if Protestantism is divided into various denominations instead of being counted as a single category. 

Rest include Mormons,  Eastern Orthodoxy, Jehovah’s Witnesses, and other smaller denominations. 

Christianity AffiliationsPercentage
Protestantism 42%
– Evangelical Protestant– 28%
– Mainline Protestant– 14%
– Black church– <1%
Roman Catholicism 17%
Mormonism 4%
Eastern Orthodoxy 1%
Jehovah’s Witnesses 1%
Other Christians 1%
Protestantism in Montana

Among Christians in Montana, Protestantism is the largest group comprising about 42% of the state’s population. Protestantism in the United States has branched out into several branches, denominations, and various interdenominational and related movements. 

Protestants by tradition can be further classified into three main denominations. Evangelical is the largest and followed by 28% of the population, Next are Mainline Protestants (14%) and historically black protestants are at less than a percent.

Protestants Affiliation% of  population
Evangelical Protestant28%
Mainline Protestant14%
Black church<1%

Protestantism is also comprised of numerous denominational families (e.g., Baptist, Methodist, and Pentecostal) that fit into one or more of the traditions. According to the Association of Religion Data Archives (ARDA), the largest denominations by adherents in 2020 are as follows

Religious BodiesTraditionFamilyAdherents
Non-denominational Christian ChurchesEvangelical Other 54,540
Evangelical Lutheran Church in AmericaMainline Lutheran 26,883
Assemblies of God, General Council of theEvangelicalPentecostal 22,607
Southern Baptist ConventionEvangelicalBaptist 11,818
Lutheran Church-Missouri Synod (LCMS)Evangelical Lutheran 11,405

read about  Protestants in United States

Catholics in Montana

Catholic Church at 17% of the state population is the second largest religious grouping, after Protestantism. Catholics are the largest individual denomination if Protestantism is divided into various denominations instead of being counted as a single category. 

According to the Association of Religion Data Archives (ARDA), the largest denomination by adherents in 2010 is the Catholic Church with 112,389 adhere followed by the Church of Jesus Christ of Latter-day Saints (50,552)

Since the 1990s, the religious share of Christians has decreased, while Hinduism, Buddhism, Islam, Sikhism, and other religions have spread, mainly from immigration. 

The state is also known for a wide range of philosophical and spiritual belief systems. Eastern spiritual beliefs have been adopted by an unusually large number of people, and Tibetan Buddhism in particular has a strong local following. Some people in the state also embrace alternative religions, such as New Age spirituality and Neo-Paganis.

Other Religions include Hinduism, Buddhism, Jews, Islam, and other smaller faiths.

Other Religion5%
  Judaism <1%
  Islam <1%
  Buddhism 1%
  Hinduism <1%
 smaller faiths 4%

also read about religion in Washington State

Sources

Note: The US census does not contain questions about one’s religious affiliation. Our Article is based on surveys conducted by various institutions and agencies.

Religion in Montana 2024 | Christianity in Montana