| Bishop (2024.06.25 – ...): |  Bishop Dennis Gerard Walsh (60) |
Cities (Iowa)  | Churches (87) |
| Albia |  St. Mary  |
| Bettendorf | Our Lady of Lourdes |
| Bettendorf |  Regina Coeli Monastery |
| Bettendorf | St. John Vianney |
| Bloomfield | St. Mary Magdalen |
| Blue Grass | St. Andrew |
| Brooklyn | St. Patrick |
| Buffalo | St. Peter |
| Burlington | St. John the Baptist Sts. John and Paul Parish |
| Burlington | St. Paul Sts. John and Paul Parish |
| Camanche | Visitation |
| Centerville | St. Mary |
| Charlotte | Assumption and St. Patrick |
| Clinton | Jesus Christ, Prince of Peace (English, Spanish) |
| Colfax | Immaculate Conception |
| Columbus Junction | St. Joseph (English, Spanish) |
| Coralville | St. Thomas More |
| Cosgrove | St. Peter |
| Davenport |  Sacred Heart (Cathedral) |
| Davenport | Holy Family |
| Davenport | Our Lady of Victory |
| Davenport | St. Alphonsus (English, Latin) |
| Davenport |  St. Ambrose University Seminary (Seminary) |
| Davenport | St. Anthony |
| Davenport | St. Mary (English, Spanish) |
| Davenport | St. Paul the Apostle |
| Delmar | St. Patrick |
| Dewitt | St. Joseph |
| Dodgeville | St. Mary |
| East Pleasant Plain | St. Joseph Parish of Sts. Joseph and Cabrini |
| Fairfield | St. Mary |
| Farmington | St. Boniface |
| Fort Madison | Sacred Heart Parish of the Holy Family |
| Fort Madison | Sts. Mary and Joseph Parish of the Holy Family Church of St. Mary of the Assumption |
| Georgetown | St. Patrick |
| Grand Mound | Sts. Philip and James |
| Grinnell | St. Mary |
| Hills | St. Joseph |
| Houghton | St. John |
| Iowa City | St. Mary |
| Iowa City | St. Patrick (English, Spanish, Latin) |
| Iowa City | St. Wenceslaus |
| Iowa City | (Newman Catholic Student Center) |
| Keokuk | All Saints |
| Keota | Holy Trinity |
| Knoxville | St. Anthony |
| Leclaire | Our Lady of the River |
| Lone Tree | St. Mary |
| Long Grove | St. Ann |
| Lost Nation | Sacred Heart |
| Lovilia | St. Peter |
| Marengo | St. Patrick |
| Mechanicsville | St. Mary |
| Melcher | Sacred Heart |
| Melrose | St. Patrick |
| Montrose | St. Joseph |
| Mount Pleasant | St. Alphonsus |
| Muscatine | St. Mathias (English, Spanish) Parish of Sts. Mary and Mathias |
| Newton | Sacred Heart |
| Nichols | St. Mary |
| North English | St. Joseph |
| Oskaloosa | St. Mary |
| Ottumwa | St. Mary of the Visitation (English, Spanish) |
| Ottumwa | St. Patrick |
| Oxford | St. Mary |
| Pella | St. Mary |
| Petersville | Immaculate Conception |
| Richland | St. Frances Xavier Cabrini Parish of Sts. Joseph and Cabrini |
| Richmond | Holy Trinity |
| Riverside | St. Mary |
| St. Paul | St. James |
| Sigourney | St. Mary |
| Solon | St. Mary |
| Solon | Sts. Peter and Paul |
| Sugar Creek | Sts. Mary and Joseph |
| Tipton | St. Mary |
| Toronto | St. James |
| Victor | St. Bridget |
| Washington | St. James (English, Spanish) |
| Wellman | St. Joseph |
| Welton | St. Anne |
| West Branch | St. Bernadette |
| West Burlington | Sts. Mary and Patrick |
| West Liberty | St. Joseph (English, Spanish) |
| West Point | St. Mary |
| Williamsburg | St. Mary |
| Wilton | St. Mary |
Last updated on 2026.04.13
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