| Rank | City | 2003 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Des Moines | 198,652 | -0.2% |
| 2 | Cedar Rapids | 123,346 | 0.6% |
| 3 | Davenport | 97,430 | -0.4% |
| 4 | Sioux City | 83,865 | -0.6% |
| 5 | Waterloo | 67,667 | -0.8% |
| 6 | Iowa City | 63,936 | 0.8% |
| 7 | Council Bluffs | 58,450 | 0.1% |
| 8 | Dubuque | 56,946 | -0.7% |
| 9 | Ames | 51,990 | 1.0% |
| 10 | West Des Moines | 50,295 | 3.2% |
| 11 | Cedar Falls | 36,061 | -0.2% |
| 12 | Urbandale | 31,975 | 4.1% |
| 13 | Bettendorf | 31,399 | 0.2% |
| 14 | Ankeny | 29,521 | 3.5% |
| 15 | Mason City | 28,411 | -1.3% |
| 16 | Marion | 27,729 | 2.2% |
| 17 | Clinton | 27,360 | -0.6% |
| 18 | Fort Dodge | 25,984 | -0.6% |
| 19 | Burlington | 25,979 | -1.5% |
| 20 | Marshalltown | 25,772 | -0.5% |
| 21 | Ottumwa | 24,680 | -0.5% |
| 22 | Muscatine | 22,511 | -0.4% |
| 23 | Coralville | 16,764 | 5.0% |
| 24 | Newton | 15,692 | 0.3% |
| 25 | Clive | 13,653 | 2.5% |
| 26 | Indianola | 13,132 | -0.2% |
| 27 | Boone | 12,725 | -0.3% |
| 28 | Fort Madison | 11,215 | -1.8% |
| 29 | Spencer | 11,182 | -0.7% |
| 30 | Oskaloosa | 11,091 | 0.5% |
| 31 | Keokuk | 10,999 | -1.7% |
| 32 | Altoona | 10,997 | 2.6% |
| 33 | Johnston | 10,237 | 6.7% |
| 34 | Pella | 10,232 | 1.4% |
| 35 | Carroll | 9,971 | -0.5% |
| 36 | Storm Lake | 9,935 | -0.6% |
| 37 | Fairfield | 9,418 | -0.9% |
| 38 | Le Mars | 9,173 | -0.4% |
| 39 | Grinnell | 9,053 | -0.3% |
| 40 | Waverly | 9,037 | 0.3% |
| 41 | Mount Pleasant | 8,492 | -1.4% |
| 42 | Perry | 8,077 | 2.6% |
| 43 | Webster City | 8,047 | -0.7% |
| 44 | Decorah | 8,033 | -0.8% |
| 45 | Clear Lake | 8,021 | -1.0% |
| 46 | Charles City | 7,652 | -0.9% |
| 47 | Knoxville | 7,641 | -0.6% |
| 48 | Norwalk | 7,634 | 4.0% |
| 49 | Creston | 7,418 | -1.0% |
| 50 | Denison | 7,348 | 0.1% |
| 51 | Washington | 7,145 | 0.6% |
| 52 | Atlantic | 7,036 | -1.5% |
| 53 | Nevada | 6,694 | 0.0% |
| 54 | Waukee | 6,650 | 9.1% |
| 55 | Hiawatha | 6,573 | 0.4% |
| 56 | Estherville | 6,530 | -0.7% |
| 57 | Oelwein | 6,461 | -1.7% |
| 58 | Sioux Center | 6,371 | 2.4% |
| 59 | North Liberty | 6,268 | 6.9% |
| 60 | Maquoketa | 6,060 | -0.6% |
| 61 | Independence | 5,961 | -0.8% |
| 62 | Red Oak | 5,941 | -2.2% |
| 63 | Centerville | 5,734 | -1.5% |
| 64 | Pleasant Hill | 5,677 | 4.0% |
| 65 | Orange City | 5,643 | 0.1% |
| 66 | Clarinda | 5,570 | -0.9% |
| 67 | Algona | 5,566 | -1.5% |
| 68 | Anamosa | 5,515 | 0.1% |
| 69 | Glenwood | 5,364 | -0.3% |
| 70 | Shenandoah | 5,317 | -1.9% |
| 71 | Grimes | 5,309 | 1.8% |
| 72 | Harlan | 5,218 | -0.6% |
| 73 | Vinton | 5,215 | 1.1% |
| 74 | Manchester | 5,167 | -1.0% |
| 75 | Cherokee | 5,148 | -1.9% |
| 76 | Iowa Falls | 5,101 | -0.9% |
| 77 | Sheldon | 5,023 | 0.0% |
| 78 | De Witt | 5,021 | -0.2% |
| 79 | Osceola | 4,763 | -0.1% |
| 80 | Eldridge | 4,734 | 5.9% |
| 81 | Winterset | 4,720 | -0.4% |
| 82 | Windsor Heights | 4,716 | -0.6% |
| 83 | Chariton | 4,563 | -0.2% |
| 84 | Jefferson | 4,470 | -1.6% |
| 85 | Evansdale | 4,456 | -0.7% |
| 86 | Humboldt | 4,391 | -0.8% |
| 87 | Spirit Lake | 4,281 | 0.1% |
| 88 | Forest City | 4,202 | -2.2% |
| 89 | Camanche | 4,187 | -0.3% |
| 90 | Hampton | 4,185 | -0.3% |
| 91 | Dyersville | 4,119 | 0.8% |
| 92 | Waukon | 3,978 | -1.8% |
| 93 | Mount Vernon | 3,937 | 1.5% |
| 94 | Cresco | 3,843 | -0.7% |
| 95 | Emmetsburg | 3,805 | -1.2% |
| 96 | Albia | 3,657 | -1.4% |
| 97 | Monticello | 3,636 | -0.2% |
| 98 | Adel | 3,624 | 2.4% |
| 99 | New Hampton | 3,585 | -1.4% |
| 100 | Eagle Grove | 3,571 | -1.8% |
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