Churches in Calhoun County (organized by address)
Farnhamville
- First United Church
- Holy Trinity Lutheran Church, LCMS
Fonda (town located in Pocahontas County)
- Saint Paul's Church (in Knoke)
- Zion United Methodist Church
Knierim
Lake City
- Community Fellowship Christian Church
- First American Baptist Church
- Kingdom Hall of Jehovah's Witnesses
- Lake City Union Church
- Pilgrim Lutheran Church, LCMS
- Seventh Day Adventist Church
- Saint Joseph's Catholic Church
- St. Mary's Catholic Church
- Woodlawn Christian Church
Lohrville
- Christian Church
- Church of Christ
- Saint Joseph's Church
- Share Group Fellowship Church
- United Methodist Church
Manson
- Augustana Lutheran Church, ELCA
Grace United Methodist Church
- Manson Mennonite Church
- St. Paul Lutheran Church, ELCA
- St. Thomas Catholic CHurch
- United Church of Christ
Pomeroy
Rockwell City
- Church of Christ
- Evangelical Free Church
- Immanuel Lutheran Church (LCMS)
- First Presbyterian Church
- St. Francis Catholic Church
- St. Paul Lutheran Church (ELCA)
- United Methodist Church
Somers
- Somers United Methodist Church
