Religious Denominations in the United States

There is no shortage of religious denominations in America. According to most estimates, there are upwards of 200 reasonably sized Christian denominations alone in America.

The Association of Religion Data Archives (ARDA) website contains an impressive amount of information about the religious makeup of the United States. Despite the increasing influence of secularism in America, Christians still make up about 70-80% of the American population, with the exact number depending on how “Christian” is defined. Here’s a chart of how other religions stack up:

 

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Percent of American population that adheres to each religion

American Christianity can typically be divided into smaller groups based on common beliefs. Most broadly, Christians can be thought of as being either Catholic or Protestant. Based on fairly recent estimates, there are about twice as many Protestant Christians in America than there are Catholics. Using information from ARDA, I created a map of the United States that shows if there are more Catholic or Protestant Christians in each state:

1. Prot Cat Map

 

As you can see, the vast majority of states (42 of them) have more Protestant Christians than Catholics. Only 8 states, all situated on the upper East Coast, have more Catholics than Protestants.

The Protestant Christian category can be further subdivided into Mainline Protestants and Evangelical Protestants. The Mainline Protestant category would include, for example, certain Reformed churches like the United Methodist Church, the Presbyterian Church (U.S.A.), and the Episcopal Church. This category also includes the Evangelical Lutheran Church in America. Many of these churches are more theologically liberal than their Evangelical Protestant counterparts.

The other category, Evangelical Protestant, is typically composed of various Baptist, Pentecostal, Anglican, and some Reformed churches. This category would also include the Lutheran Church – Missouri Synod (LCMS) and the Wisconsin Evangelical Lutheran Synod. Most churches in the Evangelical category are known for being theologically and socially conservative.

Broken down into percentage, about 60% of Protestants belong to Evangelical churches, while the other 40% belong to Mainline churches.

There are a few other religious groups that have a strong showing in America, such as the Church of Jesus Christ of Latter-day Saints (Mormons), Judaism, and Islam. Using information from ARDA, I created another two maps that show the largest and second largest denominations in each state:

2. Largest Denomination.png

3. Second Largest.png

Only two non-Christian religious groups show up on these maps –

  1. The Church of Jesus Christ of Latter-day Saints, also known as Mormons (although they are widely considered by many to be just another Christian group, their vast theological differences from historical Christianity are enough, in my mind, to consider them far outside of the Christian Church.) Looking between both of the above maps, it’s obvious that the Mormon Church has a great foothold in the Westernmost states, and, interestingly, Hawaii.
  2. Orthodox Judaism, which is the second largest religious denomination in New York

You might note that even in many states that have more Protestants than Catholics, the Catholic Church is still the largest single denomination. This is because Protestantism is so divided into different denominations and the number is split between them.

On the first map, it can be easily seen that the Southern Baptist Convention is the most prominent religious group in states around the “Bible Belt,” a region that is well-known for Evangelical Protestants with social conservatism.

On the second map, it’s also apparent that Lutheranism has a good showing within the Northeastern Midwest in the states of Wisconsin, Minnesota, North Dakota, South Dakota, and Nebraska. The Evangelical Lutheran Church in America is very prominent in these states, and the Lutheran Church – Missouri Synod is the second largest denomination in Nebraska, only behind the Catholic Church.

The United Methodist Church has an impressive number of adherents in the middle of the Eastern portion of America, and is actually the denomination with the most adherents in West Virginia.

In Maryland, Alaska, and New Jersey, non-denominational Christians were the second largest “group.” I put them on the map because I thought it was very interesting that there were that many Christians without a denomination. If non-denominational Christians aren’t considered for this map (due to the fact that they are, as per their name, not a denomination), then the second largest group in Alaska is the Mormon Church, the second largest in Maryland is the United Methodist Church, and the second largest in New Jersey is Islam.

Here’s an interesting factoid: During the process of gathering information for these maps, I visited all 50 states’ Wikipedia pages to look for summaries of their religious demographics. Out of all of the 50 states, Vermont’s page was the only one that did not contain a section on religious demographics. In fact, the words “religion” and “Christian” do not even appear at all on Vermont’s Wikipedia page.


 

Although many of the more mainstream groups within American Christianity have abandoned some of the most basic Christian Biblical principles, we still ought to be thankful that the vast majority of Americans at least identify themselves as Christians. It is our mission as followers of Christ to live out our vocations and contribute to the things that make this nation great.

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Why are There So Many Denominations?

(Check out my previous article with a similar theme, “Why are There So Many Bible Translations?“)

Take a good look at this “family tree” of Christian denominations here. Confusing, isn’t it? And that doesn’t nearly include all of them.

Why can’t there just be one label on there, titled “The Christian Church” founded by Jesus Christ in 33 AD? Why can’t that single Church have a line drawn from it all the way up to 2016 AD, with no other branches? Why can’t it look like this?

Denominations

Actually, in a sense, it is that way, but it doesn’t look that way. More on that in a bit.

The vast number of Christian denominations is something I’ve heard atheists cite as evidence against the Christian faith. As the argument goes, if Christianity is the truth and the only way to salvation, why are there so many divisions within it? Why would Christians be arguing among themselves? Surely, if Christianity were true, Christians would be in agreement concerning their faith.

Now, this argument mostly ignores that fact that historically, Christians across the entire spectrum of denominations have affirmed many of the same central truths – the importance of Scripture, the work and person of Jesus Christ, the doctrine of the Trinity, etc.

More importantly, this argument presents a bit of a strawman picture of Christianity. The claim that “Christianity must be false, because its own followers can’t completely agree on everything” makes a strange assumption about the nature of religion. In essence, it is saying that “if a religion is the truth, all of its adherents will be in complete unity concerning that religion.” This assertion does not have any foundation. It certainly isn’t an assumption that historical and orthodox Christianity has ever held.

In fact, the New Testament writers anticipated divisions within the Church. The Apostle Paul instructed the Christians in Rome to “watch out for those who cause divisions and create obstacles contrary to the doctrine that you have been taught; avoid them” (Romans 16:17). There were even apparent divisions in the Church within a few years of Jesus’ ministry. The entire book of Galatians was written in order to refute the teachings of those known as the “Judaizers,” a sect of Jewish Christians who taught that all Christians must observe Old Testament Jewish customs in order to be saved. IMG_2976

Whenever talking about “the Christian Church,” it is helpful to make a distinction concerning what we regard the church to mean. Christian theologians have typically described the church in a twofold manner: the invisible church and the visible church.  The invisible church consists of all those who have been called by the gospel and justified by Christ. It is termed “invisible” because we as humans cannot see into people’s hearts to discern who has faith and who doesn’t. In this sense, the invisible church is the “true” church due to the fact that all of its members have true faith. The visible church, on the other hand, is a manifestation of the invisible church. We cannot see into men’s hearts to discern their faith, but we can get an idea of who our fellow believers are due to their confession of faith and their works before us. Charles Porterfield Krauth, a great Lutheran theologian of the 19th century, summarized this by saying: “Faith makes men Christians; but Confession alone marks them as Christians… By our faith, we are known to the Lord as his; by our Confession, we are known to each other as His children.”[1]

Even though Christians belonging to different denominations can vary in their beliefs about the Christian faith, true believers in Christ can be found throughout the visible church, even with all of its divisions and debates. The invisible church, that is, those who have saving faith in Christ, can be found all throughout the visible church, in all manner of denominations. This does not mean, however, that every individual denomination is correct in its teachings. Edward Koehler describes this well in A Summary of Christian Doctrine:

The visible church is divided into many denominations or confessions, also called churches. There are three large branches of the visible church: the Roman Catholic Church, both Greek and Roman; the Reformed Church, comprising a large number of denominations; and the Lutheran Church, which is also divided into a number of bodies.

These denominations or confessions differ from one another in points of doctrine, and each asserts that its teachings are true. It is absurd to assume that all these churches have the true and right teachings. There is but one truth. A doctrine is either true or false. It cannot be both. . . There is only one true doctrine concerning the creation of the world, the Holy Trinity, the person of Christ, the redemption of the world, the conversion of man, etc. Whatever does not agree with this doctrine is false (323).[2]

So while we recognize that there are true believers (members of the invisible church) throughout various denominations, we also acknowledge that not every denomination can be correct in its public confession of doctrine, due to the exclusive nature of true doctrine. Additionally, there may be those who appear to confess true faith in Christ, yet still do not actually believe it in their hearts. Jesus tells us in Matthew 7:21 that “not everyone who says to me, ‘Lord, Lord,’ will enter the kingdom of heaven.” These individuals would belong to the visible church due to their confession, but not the invisible church, due to their actual lack of belief. Again, Koehler states:

Unbelievers and hypocrites may be active and affiliated with a congregation. However, they do not belong to the [true] church because the terms used in the Scriptures to describe the church indicate that there exists an inner relation and spiritual communion between her members and God. . . All true believers, no matter to which denominational body they belong, are members of this church. However, if one does not have faith, then one is not a member of the church, though he is a priest, minister, or the pope himself (314).[3]

There is only one true and invisible church established by Christ. Anyone who has true faith in Jesus Christ for salvation is a member of this true church, regardless of denominational affiliation. Regardless, denominations are important because they allow Christians of similar conviction and confession to engage in fellowship. We are not to ignore these doctrinal differences, especially those that are blatantly false and harmful. We are told countless times throughout Scripture to avoid false teachers and those teach destructive doctrines.

Why are there so many denominations? It is simply due to the sinfulness of humans. We have a tendency replace God’s words with our own and, in some cases, ignore Him completely. Splits occur because division and disagreement arises along with false teaching. Regardless, God is faithful to His children. The large number of divisions within Christianity are not divisions within the true invisible church, but rather are divisions within the visible church, the imperfect manifestation of the true church.

If you feel troubled by the apparent divisions within Christianity, take heart in the fact that there are true believers throughout many different confessions. Take to heart the words of Jesus in Matthew 16:18 – “And I tell you, you are Peter, and on this rock I will build my church, and the gates of hell shall not prevail against it.

 


 

[1] Charles Porterfield Krauth, The Conservative Reformation and Its Theology. Philadelphia: United Lutheran Publishing House, 1913: 166.

[2][3] Edward W. A. Koehler, A Summary of Christian Doctrine. St. Louis: Concordia Publishing House, 2006.