| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Dahlonega | city | Iowa | United States | 41.05861 | -92.36972 | 849 | 6703 |
| Dairyville | city | Iowa | United States | 42.48472 | -92.6525 | 980 | 1109 |
| Dakota City | city | Iowa | United States | 42.72222 | -94.19694 | 1151 | 4854 |
| Dalby | city | Iowa | United States | 43.26417 | -91.27389 | 1213 | 591 |
| Dale | city | Iowa | United States | 41.59583 | -94.34167 | 1049 | 1316 |
| Dales Ford | city | Iowa | United States | 42.21444 | -91.06667 | 810 | 708 |
| Dallas Center | city | Iowa | United States | 41.68444 | -93.96083 | 1049 | 1767 |
| Dana | city | Iowa | United States | 42.1075 | -94.24056 | 1125 | 712 |
| Danbury | city | Iowa | United States | 42.23417 | -95.72194 | 1161 | 728 |
| Danville | city | Iowa | United States | 40.86444 | -91.31444 | 711 | 1312 |
| Danville Center | city | Iowa | United States | 40.85694 | -91.31333 | 702 | 1312 |
| Darbyville | city | Iowa | United States | 40.81611 | -92.87306 | 889 | 1618 |
| Davenport | city | Iowa | United States | 41.52361 | -90.5775 | 574 | 123553 |
| Davis City | city | Iowa | United States | 40.63917 | -93.81139 | 905 | 397 |
| Davis Corners | city | Iowa | United States | 43.37083 | -92.2975 | 1302 | 550 |
| Dawson | city | Iowa | United States | 41.84278 | -94.22222 | 1007 | 665 |
| Dayfield | city | Iowa | United States | 41.465 | -91.15111 | 698 | 3038 |
| Dayton | city | Iowa | United States | 42.26139 | -94.06833 | 1099 | 946 |
| Dayton | city | Iowa | United States | 41.85167 | -92.18583 | 748 | 1560 |
| Dayton historical | city | Iowa | United States | 40.72861 | -94.92556 | 1148 | 512 |
| Daytonville | city | Iowa | United States | 41.47611 | -91.82889 | 751 | 1105 |
| De Soto | city | Iowa | United States | 41.53167 | -94.00944 | 895 | 2825 |
| De Witt | city | Iowa | United States | 41.82333 | -90.53806 | 698 | 3812 |
| Dean | city | Iowa | United States | 40.6275 | -92.71389 | 830 | 562 |
| Decatur City | city | Iowa | United States | 40.74194 | -93.83361 | 1115 | 687 |
| Decorah | city | Iowa | United States | 43.30333 | -91.78556 | 925 | 7189 |
| Dedham | city | Iowa | United States | 41.90611 | -94.82194 | 1302 | 1117 |
| Deep River | city | Iowa | United States | 41.58028 | -92.37472 | 892 | 913 |
| Deer Creek | city | Iowa | United States | 43.49944 | -93.12667 | 1230 | 1269 |
| Deerfield | city | Iowa | United States | 43.16361 | -92.49528 | 1167 | 588 |
| Defiance | city | Iowa | United States | 41.82417 | -95.3425 | 1259 | 632 |
| Delaware | city | Iowa | United States | 42.47528 | -91.34528 | 1049 | 1488 |
| Delhi | city | Iowa | United States | 42.42972 | -91.33083 | 1049 | 960 |
| Delmar | city | Iowa | United States | 42.00222 | -90.60694 | 793 | 2045 |
| Deloit | city | Iowa | United States | 42.09778 | -95.32222 | 1249 | 982 |
| Delphos | city | Iowa | United States | 40.66361 | -94.33917 | 1151 | 481 |
| Delta | city | Iowa | United States | 41.32278 | -92.33 | 823 | 1869 |
| Denhart | city | Iowa | United States | 42.96611 | -93.87194 | 1177 | 551 |
| Denison | city | Iowa | United States | 42.01778 | -95.355 | 1197 | 6699 |
| Denmark | city | Iowa | United States | 40.74167 | -91.33722 | 731 | 1419 |
| Denova | city | Iowa | United States | 40.90833 | -91.63694 | 659 | 896 |
| Denver | city | Iowa | United States | 42.67139 | -92.33722 | 964 | 2613 |
| Depew | city | Iowa | United States | 43.18417 | -94.54222 | 1302 | 392 |
| Derby | city | Iowa | United States | 40.93167 | -93.45611 | 1066 | 400 |
| Des Moines | city | Iowa | United States | 41.60056 | -93.60889 | 879 | 120985 |
| Devon | city | Iowa | United States | 43.11972 | -92.3575 | 1207 | 2620 |
| Dewar | city | Iowa | United States | 42.52556 | -92.21889 | 928 | 5107 |
| Dewey | city | Iowa | United States | 41.18694 | -94.7575 | 1322 | 398 |
| Dexter | city | Iowa | United States | 41.51833 | -94.22611 | 1135 | 1403 |
| Diagonal | city | Iowa | United States | 40.80944 | -94.34194 | 1092 | 294 |
| Diamond | city | Iowa | United States | 40.76306 | -92.96556 | 902 | 599 |
| Dickens | city | Iowa | United States | 43.13139 | -95.02333 | 1325 | 420 |
| Dickieville | city | Iowa | United States | 41.00111 | -94.89583 | 1184 | 466 |
| Dike | city | Iowa | United States | 42.46417 | -92.62806 | 967 | 1109 |
| Dillon | city | Iowa | United States | 41.97694 | -92.82389 | 951 | 2871 |
| Dinsdale | city | Iowa | United States | 42.25917 | -92.54472 | 948 | 1042 |
| Dixie | city | Iowa | United States | 43.26972 | -92.99444 | 1171 | 754 |
| Dixon | city | Iowa | United States | 41.74278 | -90.78222 | 692 | 955 |
| Dodgeville | city | Iowa | United States | 40.94306 | -91.18056 | 705 | 1123 |
| Dolliver | city | Iowa | United States | 43.46444 | -94.625 | 1253 | 467 |
| Donahue | city | Iowa | United States | 41.69472 | -90.67528 | 751 | 1962 |
| Donley Station historical | city | Iowa | United States | 41.33417 | -93.175 | 800 | 2451 |
| Donnan | city | Iowa | United States | 42.89611 | -91.87778 | 1128 | 746 |
| Donnelley | city | Iowa | United States | 41.335 | -93.17667 | 800 | 2451 |
| Donnellson | city | Iowa | United States | 40.64278 | -91.56444 | 702 | 1013 |
| Doon | city | Iowa | United States | 43.27944 | -96.2325 | 1345 | 1137 |
| Dorchester | city | Iowa | United States | 43.46972 | -91.51083 | 928 | 600 |
| Doris | city | Iowa | United States | 42.48028 | -91.81417 | 1003 | 2525 |
| Doubleday | city | Iowa | United States | 43.08639 | -92.63333 | 1099 | 5987 |
| Douds | city | Iowa | United States | 40.83944 | -92.08639 | 636 | 719 |
| Dougherty | city | Iowa | United States | 42.92222 | -93.04194 | 1092 | 744 |
| Douglass | city | Iowa | United States | 43.5 | -91.87111 | 1305 | 632 |
| Dover | city | Iowa | United States | 41.84806 | -92.29306 | 797 | 2046 |
| Dover Mills | city | Iowa | United States | 43.01944 | -91.72917 | 977 | 1034 |
| Dover historical | city | Iowa | United States | 40.73111 | -92.20694 | 784 | 671 |
| Dow City | city | Iowa | United States | 41.92889 | -95.49361 | 1210 | 577 |
| Downers Grove | city | Iowa | United States | 42.245 | -91.28083 | 951 | 1503 |
| Downey | city | Iowa | United States | 41.61611 | -91.34833 | 731 | 1508 |
| Dows | city | Iowa | United States | 42.65667 | -93.50083 | 1148 | 468 |
| Drakesville | city | Iowa | United States | 40.79833 | -92.48139 | 853 | 789 |
| Dresden | city | Iowa | United States | 41.57778 | -92.35556 | 905 | 913 |
| Dresden | city | Iowa | United States | 42.97917 | -92.31833 | 1102 | 1420 |
| Drew | city | Iowa | United States | 42.84722 | -93.80583 | 1158 | 925 |
| Dubuque | city | Iowa | United States | 42.50056 | -90.66444 | 600 | 40229 |
| Dudley | city | Iowa | United States | 41.08778 | -92.59167 | 688 | 928 |
| Dumfries | city | Iowa | United States | 41.18694 | -95.73778 | 1174 | 1751 |
| Dumont | city | Iowa | United States | 42.75194 | -92.97528 | 1020 | 652 |
| Dunbar | city | Iowa | United States | 41.94083 | -92.79639 | 948 | 1800 |
| Duncan | city | Iowa | United States | 43.10472 | -93.71111 | 1249 | 921 |
| Duncombe | city | Iowa | United States | 42.47056 | -93.99333 | 1105 | 803 |
| Dundee | city | Iowa | United States | 42.57917 | -91.54639 | 1007 | 985 |
| Dunkerton | city | Iowa | United States | 42.57 | -92.16028 | 951 | 991 |
| Dunlap | city | Iowa | United States | 41.85444 | -95.60028 | 1148 | 656 |
| Dunnville historical | city | Iowa | United States | 40.82778 | -92.37917 | 843 | 747 |
| Durango | city | Iowa | United States | 42.56028 | -90.77556 | 738 | 8343 |
| Durant | city | Iowa | United States | 41.59972 | -90.91056 | 698 | 1347 |
| Durham | city | Iowa | United States | 41.32028 | -92.95556 | 800 | 1336 |
| Dutchtown | city | Iowa | United States | 42.55222 | -91.41083 | 1030 | 1226 |
| Dyersville | city | Iowa | United States | 42.48444 | -91.12278 | 944 | 4799 |
| Dysart | city | Iowa | United States | 42.17167 | -92.30611 | 1000 | 656 |
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