State
| Parish City and Name | Street | City | State/Province | Diocese | Rite |
|---|---|---|---|---|---|
| Cedar Rapids, Iowa - St. George Church | 3650 Cottage Grove Ave., SE | Cedar Rapids | Iowa | Diocese of Toledo and the Midwest | Eastern Rite |
| Iowa City, Iowa - St. Raphael of Brooklyn Mission | 722 E. College St. | Iowa City | Iowa | Diocese of Toledo and the Midwest | Eastern Rite |
| Sioux City, Iowa - St. Thomas Church | 1100 Jones St. | Sioux City | Iowa | Diocese of Wichita and Mid-America | Eastern Rite |