Churches List A Directory of American Churches
State statistics · updated June 2026

How many churches are in Illinois?

Illinois has 13,817 church listings in the Churches List directory, spread across 1,192 cities and towns. 694 listings are verified, 13,525 include a phone number, and 4,645 publish a website. The 2020 US Religion Census counted 12,150 congregations of 214 religious bodies in Illinois, with 6,509,613 reported adherents across 103 counties. 33 Illinois church buildings hold National Register of Historic Places listings@if ($wayback > 0), and 36 of the state's church websites were already archived by the Internet Archive before 2001@endif.

13,817
Directory listings
12,150
2020 Census congregations
6,509,613
2020 Census adherents
33
NRHP churches
IL capital N
№ 01

Largest religious bodies in Illinois (2020 US Religion Census)

Religious body Congregations Adherents
Catholic Church 991 3,099,544
Non-denominational Christian Churches 1,383 589,448
Muslim Estimate 127 473,792
United Methodist Church 1,121 235,045
Southern Baptist Convention 1,008 222,589
Lutheran Church--Missouri Synod 480 182,097
Evangelical Lutheran Church in America 439 162,063
National Missionary Baptist Convention, Inc. 456 161,734
Christian Churches and Churches of Christ 437 137,365
Assemblies of God 315 106,173
United Church of Christ 320 96,617
Jehovah's Witnesses 394 93,798
National Baptist Convention, USA, Inc. 119 83,856
Presbyterian Church (U.S.A.) 349 62,272
Church of God in Christ 214 59,740
№ 02

Largest traditions in the Illinois directory

Tradition Listings
Baptist Churches 2,123
Catholic 1,563
Non-Denominational 1,429
Lutheran 1,101
Methodist 978
United Methodist 734
Christian 656
Church of God 510
Presbyterian 394
Church of Christ 332
Church of the Nazarene 311
Evangelical 289
Community 268
Assemblies of God 266
Brethren 246
Where the churches are

Illinois cities with the most listings

Illinois counties

Sources and method

Directory figures are live counts from the Churches List database for Illinois (IL) as of June 2026. Congregations and adherents come from the 2020 US Religion Census, a county-level enumeration reported by religious bodies and aggregated here to the state; its methodology differs from a directory count and the two will not match. Historic-register counts join National Register of Historic Places listings to directory churches. Statistics for other states: Texas · California · Pennsylvania · North Carolina · Ohio · Florida · Georgia · New York · Michigan · Tennessee. See also the national statistics page, the Illinois directory, and dataset licensing.