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Religion in Maryland

The United States had rich and diverse religious cultures, and the freedom to practice beliefs has helped give rise to a highly unique religious pluralism and freedom. Maryland is the US state with the 18th largest population, Christianity being the majority religion and Protestantism as its largest branch. 

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 Maryland 

Maryland Religion Percentage

Christianity is the main religion followed by 69% of the population. The largest Christian denomination in Maryland is Protestants (52%); Roman Catholics (15%); Mormonism (1%); Eastern Orthodoxy (1%).

About 23% of the population don’t follow or adhere to any faith or religion and the rest 8% follow other non-Christian-based religions. Other Religions include Jews (3%), Hinduism (1%), Buddhism (1%), Islam (1%), and other smaller faiths.

Christianity 69%
 – Protestantism – 52%
 – Roman Catholicism – 15%
 – Mormonism -1%
 – Eastern Orthodoxy – 1%
 – Jehovah’s Witnesses – <1%
 – Other Christian – 1%
Other Religion 
  Judaism 3%
  Islam 1%
  Buddhism 1%
  Hinduism 1%
  Other religion 2%
  No religion 23%
  Don’t know <1%

Source: Pew Research Center

read about Religion in United States

Christianity in Maryland

Christianity with 69% followers is the largest in Maryland. All Protestant denominations accounted for 52% of the population, Catholics are 15% 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 52%
– Evangelical Protestant– 18%
– Mainline Protestant– 18%
– Black church– 16%
Roman Catholicism 15%
Mormonism 1%
Eastern Orthodoxy 1%
Jehovah’s Witnesses <1%
Other Christians 1%
Protestantism in Maryland

Among Christians in Maryland Protestantism is the largest group comprising about 52% 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 18% of the population, Next are Mainline Protestants (18%) and Historically Black Protestants (16 %)

Protestants Affiliation% of  population
Evangelical Protestant18%
Mainline Protestant18%
Historically Black Protestants16%

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 Protestant denomination by the number of adherents in 2020 was the United Methodists Church, Southern Baptists, and African Methodist Episcopal Church.

List of top 10 Protestant denomination in Maryland in 2020

#Protestant ChurchesTraditionFamilyAdherents
1Non-denominational Christian ChurchesEvangelicalOther Groups 365,632
2United Methodist ChurchMainline Methodist207,179
3Southern Baptist ConventionEvangelicalBaptist 113,261
4African Methodist Episcopal ChurchBlack ProtestantMethodist 97,878
5Episcopal ChurchMainline Anglican/Episcopal Family59,618
6Evangelical Lutheran Church in AmericaMainline Lutheran 54,423
7Seventh-day Adventist ChurchEvangelicalAdventist 49,532
8American Baptist Churches in the U.S.A.Mainline Baptist 33,825
9Assemblies of God, General Council of theEvangelicalPentecostal 33,547
10Church of God (Cleveland, Tennessee)EvangelicalPentecostal28,720
11Presbyterian Church (U.S.A.)Mainline Presbyterian/Reformed 25,722

read about  Protestantism  in the United States


Catholics in Maryland

Catholic Church at 15 % of the state population is the second largest religious grouping, after Protestantism. According to the Association of Religion Data Archives (ARDA), In 2020 the Catholic Church has 907,317 adherents.

The Basilica of the National Shrine of the Assumption of the Virgin Mary in Baltimore was the first Roman Catholic cathedral built in the United States. Despite its historic relevance to the Catholic Church in the United States, the percentage of Catholics in the state of Maryland is below the national average of 20%. 

Since the 1990s, the religious share of Christians has decreased, while Hinduism, Buddhism, Islam, Sikhism, and other religions have spread, mainly from immigration. Other Religions include Hinduism (1%), Buddhism (1%), Jews (3%), Islam (1%), and other smaller faiths.

Jews in Maryland

Judaism is the largest non-Christian religion in Maryland, with 241,000 adherents, or 3%  of the total population.  Jews are numerous throughout Montgomery County and in Pikesville and Owings Mills northwest of Baltimore. An estimated 81,500 Jewish Americans live in Montgomery County, constituting approximately 10% of the total population. 

Hinduism in Maryland

Maryland has a sizeable Hindu community and most of them are Indian Americans. Many of the prominent Hindu temples include Sri Siva Vishnu Temple, The Hindu Temple of Metropolitan Washington, Sri Bhakta Anjaneya Temple, and ISKCON Baltimore.

also read about Population in Maryland


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 Maryland 2024 | Christianity in Maryland