Illinois cities with the most churches
- Chicago: 2,823
- Rockford: 176
- Aurora: 150
- Peoria: 138
- Springfield: 131
- Joliet: 110
- Decatur: 106
- Elgin: 98
- Des Plaines: 92
- Naperville: 87
Most common denominations in Illinois
Counted from church names that include a denomination word.
- Baptist: 1,333
- Lutheran: 888
- Christian Church: 419
- Nondenominational/Community: 303
- Bible church: 239
- United Methodist: 227
- Assemblies of God: 199
- Church of God: 188
- Presbyterian: 151
- Apostolic: 149
Sample: churches in Chicago
| Church | Street address | Denomination (from name) |
|---|---|---|
| 1513 Church | 10425 S Forest Ave | Not stated |
| 16th Street Church Of God In Christ | 4315 W 16th St | Church of God in Christ |
| 1Faith Ministries | 1827 N Whipple St | Not stated |
| 1st Church Of Religious Science Chi | PO Box 5623 | Not stated |
| 1st Corinthian Missionary Baptist Church | 7500 S Halsted St | Baptist |
| 1st Holy Zion Missionary Baptist Church | 6110 S Ashland Ave | Baptist |
| 2 Mt Pleasant M B Church | 947 N Cicero Ave | Not stated |
| 2 New Mt Sinai Baptist Church | 310 N Laramie Ave | Baptist |
| 2820 Church | 8509 S Saginaw Ave | Not stated |
| 2nd City Church | 2141 N Clark St Apt 3 | Not stated |
| 5th Illinois Jurisdiction - East Churches Of God In Christ | 914 N Orleans St | Not stated |
| 87th Street Church Of Christ C/O Savant Financial Service | 1935 W 87th St | Church of Christ |
| A Voice For The Children Ministry | 2845 W 79th St Apt 2W | Not stated |
| A-Kar Bon Center | 6153 N Leader Ave | Not stated |
| Abba Church Of Renewed Faith | 10725 South Logwood Drive | Not stated |
| Abba Father Christian Center | 2056 N Tripp Ave | Not stated |
| Abiding Temple C O G I C | 534 E 47th St | Not stated |
| Abna E Islam Foundation | 6355 N Claremont Ave | Not stated |
| Abundance Of Life Faith Deliverance Ministries | 1741 N Linder Ave | Not stated |
| Abundant Blessings Church | 1316 W 63rd St | Not stated |
The full list includes all 11,062 Illinois churches with EIN, city, ZIP and ruling year, plus every other state.
Where does this data come from?
The IRS Exempt Organizations Business Master File, downloaded in October 2026. Figures are as reported on each organization's latest return on file with the IRS. Personal contact names are not included.