| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Baculis Mobile Home Park | city | Iowa | United States | 41.63 | -91.54 | 830 | |
| Badger | city | Iowa | United States | 42.61 | -94.15 | 1122 | |
| Bagley | city | Iowa | United States | 41.85 | -94.43 | 1115 | |
| Bailey | city | Iowa | United States | 43.46 | -92.61 | 1669 | |
| Baird | city | Iowa | United States | 41.80 | -95.65 | 1092 | |
| Baldwin | city | Iowa | United States | 42.07 | -90.84 | 830 | |
| Balfour | city | Iowa | United States | 41.05 | -95.67 | 1138 | |
| Bali Hai Estates Mobile Home Park | city | Iowa | United States | 42.05 | -91.67 | 830 | |
| Balltown | city | Iowa | United States | 42.64 | -90.87 | 1030 | |
| Ballyclough | city | Iowa | United States | 42.43 | -90.72 | 1020 | |
| Baltimore (historical) | city | Iowa | United States | 40.86 | -91.46 | 830 | |
| Bancroft | city | Iowa | United States | 43.29 | -94.22 | 1151 | |
| Bangor | city | Iowa | United States | 42.17 | -93.09 | 951 | |
| Bankston | city | Iowa | United States | 42.52 | -90.96 | 1158 | |
| Bar-Jac Mobile Estates | city | Iowa | United States | 41.86 | -94.11 | 997 | |
| Bard | city | Iowa | United States | 41.24 | -91.29 | 830 | |
| Barnes City | city | Iowa | United States | 41.51 | -92.47 | 869 | |
| Barney | city | Iowa | United States | 41.17 | -94.00 | 1069 | |
| Barnum | city | Iowa | United States | 42.51 | -94.37 | 1158 | |
| Barrell | city | Iowa | United States | 40.70 | -93.87 | 984 | |
| Bartlett | city | Iowa | United States | 40.89 | -95.80 | 954 | |
| Bassett | city | Iowa | United States | 43.06 | -92.52 | 1049 | |
| Batavia | city | Iowa | United States | 40.99 | -92.17 | 830 | |
| Battle Creek | city | Iowa | United States | 42.32 | -95.60 | 1184 | |
| Bauer | city | Iowa | United States | 41.20 | -93.31 | 898 | |
| Baxter | city | Iowa | United States | 41.83 | -93.15 | 1000 | |
| Bayard | city | Iowa | United States | 41.85 | -94.56 | 1118 | |
| Beaches Resort | city | Iowa | United States | 43.43 | -95.17 | 1669 | |
| Beacon | city | Iowa | United States | 41.28 | -92.68 | 830 | |
| Beaconsfield | city | Iowa | United States | 40.81 | -94.05 | 1227 | |
| Beaman | city | Iowa | United States | 42.22 | -92.82 | 1049 | |
| Beaver | city | Iowa | United States | 42.04 | -94.14 | 1023 | |
| Beaverdale | city | Iowa | United States | 40.85 | -91.21 | 830 | |
| Beckwith | city | Iowa | United States | 41.01 | -91.86 | 830 | |
| Bedford | city | Iowa | United States | 40.67 | -94.72 | 1108 | |
| Beebeetown | city | Iowa | United States | 41.52 | -95.76 | 1669 | |
| Beech | city | Iowa | United States | 41.37 | -93.35 | 856 | |
| Belfast (historical) | city | Iowa | United States | 40.99 | -91.69 | 830 | |
| Belinda | city | Iowa | United States | 41.14 | -93.19 | 977 | |
| Belknap | city | Iowa | United States | 40.82 | -92.43 | 856 | |
| Bell | city | Iowa | United States | 41.96 | -95.50 | 1148 | |
| Bellair (historical) | city | Iowa | United States | 40.69 | -92.98 | 1007 | |
| Belle Plaine | city | Iowa | United States | 41.90 | -92.28 | 843 | |
| Bellefountain | city | Iowa | United States | 41.28 | -92.86 | 830 | |
| Bellevue | city | Iowa | United States | 42.26 | -90.42 | 830 | |
| Belmond | city | Iowa | United States | 42.85 | -93.61 | 1197 | |
| Beloit | city | Iowa | United States | 43.28 | -96.57 | 1240 | |
| Ben Haven Mobile Home Park | city | Iowa | United States | 42.39 | -91.76 | 862 | |
| Benan (historical) | city | Iowa | United States | 42.12 | -94.65 | 1118 | |
| Bennett | city | Iowa | United States | 41.74 | -90.97 | 830 | |
| Bennettsville | city | Iowa | United States | 42.36 | -90.73 | 971 | |
| Benson | city | Iowa | United States | 42.54 | -92.54 | 898 | |
| Bentley | city | Iowa | United States | 41.38 | -95.62 | 1148 | |
| Benton | city | Iowa | United States | 40.70 | -94.36 | 1046 | |
| Benton City (historical) | city | Iowa | United States | 42.16 | -91.93 | 830 | |
| Benton Station (historical) | city | Iowa | United States | 42.15 | -92.14 | 882 | |
| Bentonsport | city | Iowa | United States | 40.73 | -91.85 | 830 | |
| Berea | city | Iowa | United States | 41.37 | -94.68 | 1669 | |
| Berkley | city | Iowa | United States | 41.94 | -94.11 | 994 | |
| Berlin | city | Iowa | United States | 42.42 | -93.16 | 1128 | |
| Bernard | city | Iowa | United States | 42.31 | -90.83 | 980 | |
| Berne | city | Iowa | United States | 42.08 | -95.65 | 1243 | |
| Bernhart | city | Iowa | United States | 41.01 | -92.07 | 830 | |
| Bernina | city | Iowa | United States | 41.41 | -92.77 | 830 | |
| Bertram | city | Iowa | United States | 41.95 | -91.54 | 830 | |
| Berwick | city | Iowa | United States | 41.66 | -93.54 | 882 | |
| Bethany Hall | city | Iowa | United States | 43.18 | -92.24 | 1210 | |
| Bethel | city | Iowa | United States | 41.37 | -91.48 | 830 | |
| Bethelhem | city | Iowa | United States | 40.84 | -93.21 | 1056 | |
| Bethesda | city | Iowa | United States | 40.84 | -95.10 | 1200 | |
| Bettendorf | city | Iowa | United States | 41.52 | -90.52 | 830 | |
| Beulah | city | Iowa | United States | 43.03 | -91.31 | 1099 | |
| Beverly Depot | city | Iowa | United States | 41.93 | -91.73 | 830 | |
| Bevington | city | Iowa | United States | 41.36 | -93.79 | 856 | |
| Biddick (historical) | city | Iowa | United States | 41.08 | -95.08 | 1669 | |
| Bidwell | city | Iowa | United States | 41.02 | -92.54 | 830 | |
| Big Mound | city | Iowa | United States | 40.76 | -91.70 | 830 | |
| Big Rock | city | Iowa | United States | 41.77 | -90.83 | 830 | |
| Big Rock | city | Iowa | United States | 42.55 | -92.30 | 895 | |
| Big Spring (historical) | city | Iowa | United States | 40.68 | -93.53 | 1049 | |
| Bingham | city | Iowa | United States | 40.73 | -95.29 | 1046 | |
| Birchwood Estates | city | Iowa | United States | 43.16 | -95.14 | 1669 | |
| Birmingham | city | Iowa | United States | 40.88 | -91.95 | 830 | |
| Black Corners | city | Iowa | United States | 41.69 | -94.02 | 997 | |
| Black Hawk | city | Iowa | United States | 41.52 | -90.64 | 830 | |
| Blackhawk | city | Iowa | United States | 40.83 | -92.59 | 875 | |
| Bladensburg | city | Iowa | United States | 41.05 | -92.24 | 830 | |
| Blairsburg | city | Iowa | United States | 42.48 | -93.64 | 1217 | |
| Blairstown | city | Iowa | United States | 41.91 | -92.08 | 849 | |
| Blakesburg | city | Iowa | United States | 40.96 | -92.63 | 898 | |
| Blanchard | city | Iowa | United States | 40.58 | -95.22 | 1036 | |
| Blanden | city | Iowa | United States | 42.58 | -94.56 | 1227 | |
| Blencoe | city | Iowa | United States | 41.93 | -96.08 | 1043 | |
| Blessing | city | Iowa | United States | 42.31 | -92.46 | 1000 | |
| Bliedorn | city | Iowa | United States | 41.90 | -90.68 | 830 | |
| Blockly | city | Iowa | United States | 40.66 | -93.75 | 1023 | |
| Blockton | city | Iowa | United States | 40.62 | -94.48 | 1148 | |
| Bloomfield | city | Iowa | United States | 40.75 | -92.41 | 862 | |
| Bloomington | city | Iowa | United States | 42.06 | -93.59 | 1000 | |
| Blue Bird Mobile Park | city | Iowa | United States | 41.62 | -93.71 | 951 | |
| Blue Grass | city | Iowa | United States | 41.51 | -90.77 | 830 | |
| Bluff Acres Mobile Home Park | city | Iowa | United States | 41.23 | -95.87 | 974 | |
| Bluff Creek | city | Iowa | United States | 41.15 | -92.85 | 830 | |
| Bluff Park | city | Iowa | United States | 40.53 | -91.40 | 830 | |
| Bluffton | city | Iowa | United States | 43.40 | -91.91 | 1122 | |
| Bode | city | Iowa | United States | 42.87 | -94.29 | 1122 | |
| Boies | city | Iowa | United States | 42.61 | -92.38 | 954 | |
| Bolan | city | Iowa | United States | 43.37 | -93.12 | 1223 | |
| Bolton | city | Iowa | United States | 41.26 | -92.74 | 830 | |
| Bon-Aire Mobile Home Lodge | city | Iowa | United States | 41.63 | -91.49 | 830 | |
| Bonair | city | Iowa | United States | 43.42 | -92.19 | 1669 | |
| Bonaparte | city | Iowa | United States | 40.70 | -91.80 | 830 | |
| Bondurant | city | Iowa | United States | 41.70 | -93.46 | 974 | |
| Boone | city | Iowa | United States | 42.06 | -93.88 | 1108 | |
| Booneville | city | Iowa | United States | 41.52 | -93.88 | 839 | |
| Border Plains | city | Iowa | United States | 42.40 | -94.05 | 1092 | |
| Botna | city | Iowa | United States | 41.86 | -95.13 | 1669 | |
| Bouton | city | Iowa | United States | 41.85 | -94.01 | 941 | |
| Bowsher | city | Iowa | United States | 41.64 | -93.54 | 849 | |
| Boxholm | city | Iowa | United States | 42.18 | -94.11 | 1135 | |
| Boyd | city | Iowa | United States | 43.01 | -92.26 | 1105 | |
| Boyden | city | Iowa | United States | 43.19 | -96.01 | 1669 | |
| Boyer | city | Iowa | United States | 42.18 | -95.24 | 1207 | |
| Boyer River | city | Iowa | United States | 42.19 | -95.20 | 1213 | |
| Braddyville | city | Iowa | United States | 40.58 | -95.03 | 954 | |
| Bradford | city | Iowa | United States | 42.63 | -93.24 | 1249 | |
| Bradford | city | Iowa | United States | 42.97 | -92.50 | 987 | |
| Bradgate | city | Iowa | United States | 42.80 | -94.42 | 1122 | |
| Brainard | city | Iowa | United States | 42.93 | -91.71 | 898 | |
| Brandon | city | Iowa | United States | 42.31 | -92.00 | 843 | |
| Brayton | city | Iowa | United States | 41.54 | -94.92 | 1190 | |
| Brazil | city | Iowa | United States | 40.76 | -92.95 | 935 | |
| Breckenridge Estates | city | Iowa | United States | 41.61 | -91.46 | 830 | |
| Breda | city | Iowa | United States | 42.18 | -94.98 | 1669 | |
| Bremer | city | Iowa | United States | 42.77 | -92.39 | 1053 | |
| Bricker | city | Iowa | United States | 40.58 | -91.46 | 830 | |
| Bridgeport | city | Iowa | United States | 41.15 | -92.65 | 830 | |
| Bridgeport | city | Iowa | United States | 40.75 | -93.23 | 997 | |
| Bridgeport | city | Iowa | United States | 42.09 | -90.63 | 830 | |
| Bridgewater | city | Iowa | United States | 41.24 | -94.67 | 1167 | |
| Brighton | city | Iowa | United States | 41.17 | -91.82 | 830 | |
| Bristol | city | Iowa | United States | 43.41 | -93.47 | 1669 | |
| Bristow | city | Iowa | United States | 42.77 | -92.91 | 1049 | |
| Britt | city | Iowa | United States | 43.10 | -93.80 | 1210 | |
| Brogan (historical) | city | Iowa | United States | 42.22 | -95.19 | 1243 | |
| Bromley | city | Iowa | United States | 42.12 | -93.13 | 948 | |
| Brompton | city | Iowa | United States | 40.93 | -92.73 | 967 | |
| Bronson | city | Iowa | United States | 42.41 | -96.21 | 1099 | |
| Brook Mount | city | Iowa | United States | 42.39 | -95.26 | 1669 | |
| Brookdale | city | Iowa | United States | 42.57 | -96.45 | 1669 | |
| Brooklyn | city | Iowa | United States | 41.73 | -92.45 | 839 | |
| Brooks | city | Iowa | United States | 40.97 | -94.80 | 1095 | |
| Brookville | city | Iowa | United States | 41.06 | -92.09 | 830 | |
| Browns | city | Iowa | United States | 42.03 | -90.50 | 830 | |
| Brownsville | city | Iowa | United States | 41.51 | -92.56 | 898 | |
| Brownville | city | Iowa | United States | 43.34 | -92.68 | 1145 | |
| Brucewell | city | Iowa | United States | 40.65 | -93.64 | 1053 | |
| Brunsville | city | Iowa | United States | 42.81 | -96.27 | 1669 | |
| Brushy | city | Iowa | United States | 42.43 | -94.01 | 1125 | |
| Bryant | city | Iowa | United States | 41.96 | -90.33 | 830 | |
| Bryantsburg | city | Iowa | United States | 42.57 | -91.91 | 997 | |
| Bubona (historical) | city | Iowa | United States | 43.33 | -94.66 | 1669 | |
| Buchanan | city | Iowa | United States | 41.77 | -91.25 | 830 | |
| Buck Creek | city | Iowa | United States | 42.76 | -92.14 | 1049 | |
| Buck Creek | city | Iowa | United States | 42.34 | -91.34 | 951 | |
| Buck Grove | city | Iowa | United States | 41.92 | -95.40 | 1669 | |
| Buck Grove | city | Iowa | United States | 42.51 | -92.85 | 944 | |
| Buckeye | city | Iowa | United States | 42.42 | -93.37 | 1174 | |
| Buckhorn | city | Iowa | United States | 42.06 | -90.75 | 830 | |
| Buckingham | city | Iowa | United States | 42.26 | -92.45 | 892 | |
| Buckingham (historical) | city | Iowa | United States | 42.21 | -92.48 | 944 | |
| Bucknell | city | Iowa | United States | 41.07 | -93.04 | 830 | |
| Budd | city | Iowa | United States | 42.53 | -90.82 | 839 | |
| Buena Vista | city | Iowa | United States | 41.74 | -90.74 | 830 | |
| Buena Vista (historical) | city | Iowa | United States | 40.39 | -91.43 | 830 | |
| Buffalo | city | Iowa | United States | 41.46 | -90.72 | 830 | |
| Buffalo (historical) | city | Iowa | United States | 41.31 | -94.00 | 1072 | |
| Buffalo Center | city | Iowa | United States | 43.39 | -93.95 | 1197 | |
| Buffalo Heights | city | Iowa | United States | 41.47 | -90.71 | 830 | |
| Bulgers Hollow | city | Iowa | United States | 41.94 | -90.18 | 830 | |
| Bullard | city | Iowa | United States | 40.62 | -91.41 | 830 | |
| Burchinal | city | Iowa | United States | 43.07 | -93.28 | 1227 | |
| Burdette | city | Iowa | United States | 42.57 | -93.36 | 1190 | |
| Burlington | city | Iowa | United States | 40.81 | -91.11 | 830 | |
| Burnside | city | Iowa | United States | 42.35 | -94.11 | 1128 | |
| Burr Oak | city | Iowa | United States | 43.46 | -91.87 | 1253 | |
| Burr Oak | city | Iowa | United States | 40.94 | -95.79 | 974 | |
| Burt | city | Iowa | United States | 43.20 | -94.22 | 1197 | |
| Bushville | city | Iowa | United States | 40.86 | -94.74 | 1210 | |
| Business Corners (historical) | city | Iowa | United States | 40.85 | -92.24 | 830 | |
| Bussey | city | Iowa | United States | 41.20 | -92.88 | 849 | |
| Butler Center | city | Iowa | United States | 42.70 | -92.78 | 1007 | |
| Buxton | city | Iowa | United States | 41.16 | -92.82 | 830 |