Largest Christian Denominations In America

By Paul King •  Updated: 10/20/23 •  14 min read

Many may think that Christianity in America is dying out, yet there are still five of the largest Christian denominations in the country that remain devoted to the teachings of Jesus, belief in the power of prayer, and dedication to living a moral, ethical life. These denominations include the Roman Catholic Church, Southern Baptist Convention, United Methodist Church, Evangelical Lutheran Church in America, and Church of God in Christ.

The Roman Catholic Church, with its rich history dating back to the time of Jesus and the apostles, continues to be the largest Christian denomination in America. With over 70 million members, the Catholic Church emphasizes the sacraments, including baptism and the Eucharist, as essential for spiritual growth and salvation. As Jesus said in Matthew 28:19-20, ‘Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you.’

The Southern Baptist Convention, another prominent Christian denomination in America, has a strong emphasis on the authority of the Bible and personal faith in Jesus Christ. With more than 14 million members, the Southern Baptist Convention holds to the belief that salvation comes through faith alone, as stated in Ephesians 2:8-9, ‘For by grace you have been saved through faith. And this is not your own doing; it is the gift of God, not a result of works, so that no one may boast.’

The United Methodist Church, with its roots in the Wesleyan tradition, is known for its commitment to social justice and outreach. With approximately 6.8 million members, the United Methodist Church follows the teachings of John Wesley, who emphasized the importance of both personal holiness and social transformation. As Jesus said in Matthew 25:35-36, ‘For I was hungry and you gave me food, I was thirsty and you gave me drink, I was a stranger and you welcomed me, I was naked and you clothed me, I was sick and you visited me, I was in prison and you came to me.’

The Evangelical Lutheran Church in America (ELCA) is the largest Lutheran denomination in America, with over 3.3 million members. The ELCA places a strong emphasis on grace, faith, and the authority of Scripture. As Paul wrote in Ephesians 2:8, ‘For by grace you have been saved through faith. And this is not your own doing; it is the gift of God.’

The Church of God in Christ, with more than 6.5 million members, is one of the largest Pentecostal denominations in America. Known for its vibrant worship and belief in the power of the Holy Spirit, the Church of God in Christ follows the examples of the early church as described in Acts 2:42-43, ‘And they devoted themselves to the apostles’ teaching and the fellowship, to the breaking of bread and the prayers. And awe came upon every soul, and many wonders and signs were being done through the apostles.’

These are just a few examples of the largest Christian denominations in America, each with its own rich history, beliefs, and practices. While some may question the future of Christianity in America, these denominations continue to thrive and uphold the teachings of Jesus, providing spiritual guidance and support to millions of believers across the country.

Key Takeaways

Roman Catholic Church

The Roman Catholic Church, rooted in devotion to the teachings of Jesus and the power of prayer, holds a significant place in American society. As the largest Christian denomination in the United States, it has been a driving force for promoting moral and ethical living. In the words of 1 Peter 1:15-16, ‘But just as he who called you is holy, so be holy in all you do; for it is written: ‘Be holy, because I am holy.”

One cannot overlook the major social impact the Catholic Church has had across the United States. It has been a strong advocate for social inclusion and equitability among all members of society. In Galatians 3:28, we find the words, ‘There is neither Jew nor Gentile, neither slave nor free, nor is there male and female, for you are all one in Christ Jesus.’ This verse reminds us of the importance of unity and equality in our communities.

Additionally, the Catholic Church has been a significant cultural force, influencing the lives of many Americans through the establishment of Catholic schools and churches. These institutions have provided education, guidance, and a sense of community to countless individuals. As stated in Proverbs 22:6, ‘Start children off on the way they should go, and even when they are old they will not turn from it.’ Catholic schools have played a vital role in shaping the lives of young people, instilling values and faith that endure throughout their lives.

The presence of the Roman Catholic Church in American life spans centuries, and it continues to be a driving force in many communities today. Its influence can be seen in the way Americans interact with one another and how they view faith and religion. In Matthew 22:37-39, Jesus teaches, ‘Love the Lord your God with all your heart and with all your soul and with all your mind. This is the first and greatest commandment. And the second is like it: ‘Love your neighbor as yourself.’ The Catholic Church’s emphasis on love and compassion has undoubtedly shaped the way Americans strive to treat one another.

Transitioning to the second largest Christian denomination in the United States, the Southern Baptist Convention, we find a different but equally impactful presence. The Southern Baptist Convention emphasizes the importance of personal faith and a personal relationship with Jesus Christ. In John 3:16, we read, ‘For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life.’ This verse highlights the centrality of faith and belief in the teachings of Jesus.

Southern Baptist Convention

Founded in 1845, the Southern Baptist Convention is a Protestant Christian denomination in the United States. As followers of Jesus, we seek to live a life of moral and ethical integrity, guided by the teachings of the Bible and the power of prayer.

In Matthew 5:16, Jesus said, ‘Let your light shine before others, that they may see your good deeds and glorify your Father in heaven.’ This verse reminds us of our responsibility to be a shining example of Christ’s love and grace in our daily lives.

One powerful story from the Bible that illustrates the importance of moral and ethical living is the story of Joseph. In Genesis 39, Joseph was faced with a tempting situation when Potiphar’s wife tried to seduce him. Despite the potential consequences, Joseph remained committed to his faith and said, ‘How then could I do such a wicked thing and sin against God?’ (Genesis 39:9). Joseph’s unwavering commitment to righteousness is a powerful example for us to follow.

As the largest Protestant denomination in the United States, the Southern Baptist Convention values the autonomy of local churches. However, we also recognize the importance of unity in the body of Christ. In 1 Corinthians 1:10, the Apostle Paul urges believers to be ‘perfectly united in mind and thought.’ We strive to maintain this unity, while also respecting the diversity of opinions and beliefs within our denomination.

The Southern Baptist Convention is dedicated to the mission of spreading the Gospel both at home and abroad. In Matthew 28:19-20, Jesus commands his disciples to ‘go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, and teaching them to obey everything I have commanded you.’ We embrace this Great Commission and actively engage in various missionary endeavors, supporting and sending out missionaries to share the love of Christ with those who have not yet heard the Good News.

United Methodist Church

Rooted in the teachings of John Wesley and inspired by the holy scriptures, the United Methodist Church stands as a global Protestant denomination. As we delve into its core beliefs, we are reminded of the words of Jesus in Matthew 22:37-39, where he said, ‘Love the Lord your God with all your heart and with all your soul and with all your mind. This is the first and greatest commandment. And the second is like it: ‘Love your neighbor as yourself.’ These teachings of Jesus form the foundation of the United Methodist Church’s devotion to the teachings of Jesus.

The power of prayer is emphasized throughout the Bible, as in James 5:16, where it says, ‘The prayer of a righteous person is powerful and effective.’ The United Methodist Church believes in the transformative power of prayer and encourages its members to have a personal relationship with God through prayer.

Living a moral and ethical life is of utmost importance to the United Methodist Church. In Micah 6:8, we read, ‘He has shown you, O mortal, what is good. And what does the Lord require of you? To act justly and to love mercy and to walk humbly with your God.’ This verse highlights the call to pursue righteousness, justice, and humility in our daily lives. The United Methodist Church strives to live out these principles and encourages its members to do the same.

Exploring doctrine and interdenominational relationships is an integral part of the United Methodist Church’s commitment to growth and understanding. In 1 Peter 3:15, it says, ‘But in your hearts revere Christ as Lord. Always be prepared to give an answer to everyone who asks you to give the reason for the hope that you have. But do this with gentleness and respect.’ This verse reminds us of the importance of engaging in dialogue and seeking unity among different Christian denominations. The United Methodist Church actively seeks to build bridges and foster relationships with other Christian traditions.

A powerful story from the Bible that resonates with the mission of the United Methodist Church is the parable of the Good Samaritan found in Luke 10:25-37. This story exemplifies the call to love and serve others unconditionally, regardless of social or cultural differences. The United Methodist Church seeks to embody this spirit of compassion and service, reaching out to those in need and providing humanitarian aid.

As the United Methodist Church continues to grow, it does so with the mission of love and service as its guiding light. In Matthew 5:16, Jesus says, ‘In the same way, let your light shine before others, that they may see your good deeds and glorify your Father in heaven.’ The United Methodist Church strives to be a beacon of hope, spreading the love and teachings of Jesus Christ to all corners of the world.

Evangelical Lutheran Church in America

Formed in 1988, the Evangelical Lutheran Church in America (ELCA) is a mainline Protestant denomination with congregations in the United States, Canada, and Puerto Rico. Rooted in the Lutheran faith, the ELCA draws inspiration from the teachings of Jesus Christ and finds guidance in the Holy Bible.

One of the core beliefs of the ELCA is the power of prayer. As stated in the book of James 5:16, ‘The prayer of a righteous person is powerful and effective.’ The church encourages its members to have a deep devotion to prayer, recognizing that through communication with God, we can find strength, comfort, and guidance.

Living a moral and ethical life is another essential aspect of the ELCA’s faith practices. In Matthew 5:16, Jesus says, ‘Let your light shine before others, that they may see your good deeds and glorify your Father in heaven.’ The church emphasizes the importance of living out our faith through acts of kindness, compassion, and integrity. By doing so, we reflect the love of Christ and inspire others to do the same.

The ELCA is committed to promoting Lutheran social values, which include the protection of human rights, the pursuit of justice and peace, and the care for the environment. In Isaiah 1:17, it is written, ‘Learn to do right; seek justice. Defend the oppressed. Take up the cause of the fatherless; plead the case of the widow.’ These words remind us of our responsibility to advocate for justice and stand up for those who are marginalized and oppressed.

Furthermore, the ELCA seeks to fulfill the Gospel of Jesus Christ by providing both spiritual and material support to those in need. In Matthew 25:35-36, Jesus teaches, ‘For I was hungry and you gave me something to eat, I was thirsty and you gave me something to drink, I was a stranger and you invited me in, I needed clothes and you clothed me, I was sick and you looked after me, I was in prison and you came to visit me.’ Inspired by these words, the church actively engages in various charitable works and outreach programs, aiming to alleviate suffering and bring hope to the less fortunate.

One profound story from the Bible that exemplifies the ELCA’s mission is the parable of the Good Samaritan found in Luke 10:25-37. In this story, a man is robbed, beaten, and left on the roadside. While religious leaders pass by without offering assistance, a Samaritan, considered a social outcast, shows compassion and provides care for the wounded man. Through this parable, Jesus teaches us the importance of showing mercy and love to our neighbors, regardless of their background or circumstances.

As the Evangelical Lutheran Church in America, we strive to live out the teachings of Jesus Christ, following his example of love, compassion, and service. Guided by the scriptures and our faith, we remain steadfast in our mission to spread the Gospel and extend a helping hand to those in need.

Church of God in Christ

The Church of God in Christ (COGIC) is a Pentecostal Holiness Christian denomination established in 1897, guided by the teachings of Jesus and a deep belief in the power of prayer. As stated in Romans 12:12, ‘Be joyful in hope, patient in affliction, faithful in prayer.’ COGIC emphasizes the importance of living a moral and ethical life, as instructed in Micah 6:8, ‘He has shown you, O mortal, what is good. And what does the Lord require of you? To act justly and to love mercy and to walk humbly with your God.’

Through their weekly worship services, Sunday schools, and Bible studies, COGIC members gather to seek spiritual nourishment and grow in their faith. As it is written in Psalm 119:105, ‘Your word is a lamp for my feet, a light on my path.’ By studying the Word of God and meditating on His teachings, COGIC members strive to align their lives with His divine will.

In their dedication to education, COGIC offers scholarships to its members, encouraging them to pursue higher education. Proverbs 18:15 reminds us that ‘An intelligent heart acquires knowledge, and the ear of the wise seeks knowledge.’ COGIC recognizes the importance of equipping their members with the tools and resources needed to thrive in their academic pursuits.

Furthermore, COGIC stands alongside its members who may be facing food insecurity, providing them with essential resources and support. As Jesus said in Matthew 25:35, ‘For I was hungry and you gave me something to eat, I was thirsty and you gave me something to drink.’ COGIC understands the significance of meeting the physical needs of its community, mirroring the compassionate nature of Christ.

COGIC also plays an active role in connecting its members with community-based initiatives. Just as Jesus taught in Matthew 5:16, ‘Let your light shine before others, that they may see your good deeds and glorify your Father in heaven,’ COGIC seeks to be a beacon of hope and positive change in their local communities. By engaging with various outreach programs, COGIC exemplifies the love and compassion of Christ to those in need.

Throughout history, COGIC has made a significant impact on society. One such example is their involvement in supporting the Civil Rights movement. Inspired by the teachings of Jesus and the call for justice, COGIC stood alongside African Americans in their fight against discrimination and inequality. As it is written in Proverbs 31:8-9, ‘Speak up for those who cannot speak for themselves, for the rights of all who are destitute. Speak up and judge fairly; defend the rights of the poor and needy.’ COGIC’s commitment to justice and equality aligns with the principles found in the Holy Scriptures.

Paul King

I post written versions of my powerful sermons exploring topics like prayer, praise, biblical truths, and more expressions of faith. My church has a deeply spiritual culture, which I try to convey through vivid storytelling and applications in our everyday life. I spread the Good Word with lots of conviction and passion.