Towns
| State | City/Town | Town Title |
|---|---|---|
| Iowa | Brunsville | Brunsville, IA |
| Iowa | Bryant | Bryant, IA |
| Iowa | Buckeye | Buckeye, IA |
| Iowa | Buckingham | Buckingham, IA |
| Iowa | Buffalo | Buffalo, IA |
| Iowa | Buffalo Center | Buffalo Center, IA |
| Iowa | Burlington | Burlington, IA |
| Iowa | Burnside | Burnside, IA |
| Iowa | Burt | Burt, IA |
| Iowa | Bussey | Bussey, IA |
| Iowa | Calamus | Calamus, IA |
| Iowa | Callender | Callender, IA |
| Iowa | Calmar | Calmar, IA |
| Iowa | Calumet | Calumet, IA |
| Iowa | Camanche | Camanche, IA |
| Iowa | Cambridge | Cambridge, IA |
| Iowa | Cantril | Cantril, IA |
| Iowa | Carbon | Carbon, IA |
| Iowa | Carl | Carl, IA |
| Iowa | Carlisle | Carlisle, IA |
| Iowa | Carpenter | Carpenter, IA |
| Iowa | Carroll | Carroll, IA |
| Iowa | Carson | Carson, IA |
| Iowa | Carter Lake | Carter Lake, IA |
| Iowa | Cascade | Cascade, IA |