Towns
| State | City/Town | Town Title |
|---|---|---|
| Iowa | Blanchard | Blanchard, IA |
| Iowa | Blencoe | Blencoe, IA |
| Iowa | Blockton | Blockton, IA |
| Iowa | Bloomfield | Bloomfield, IA |
| Iowa | Blue Grass | Blue Grass, IA |
| Iowa | Bode | Bode, IA |
| Iowa | Bonaparte | Bonaparte, IA |
| Iowa | Bondurant | Bondurant, IA |
| Iowa | Boone | Boone, IA |
| Iowa | Booneville | Booneville, IA |
| Iowa | Bouton | Bouton, IA |
| Iowa | Boxholm | Boxholm, IA |
| Iowa | Boyden | Boyden, IA |
| Iowa | Braddyville | Braddyville, IA |
| Iowa | Bradford | Bradford, IA |
| Iowa | Bradgate | Bradgate, IA |
| Iowa | Brandon | Brandon, IA |
| Iowa | Brayton | Brayton, IA |
| Iowa | Breda | Breda, IA |
| Iowa | Bridgewater | Bridgewater, IA |
| Iowa | Brighton | Brighton, IA |
| Iowa | Bristow | Bristow, IA |
| Iowa | Britt | Britt, IA |
| Iowa | Bronson | Bronson, IA |
| Iowa | Brooklyn | Brooklyn, IA |