| Zip Code | City / Town | State | Returns | Total ($1000) | Avg/return |
| 50323 | Urbandale | Iowa | 700 | $16,744 | $23,920 |
| 50321 | Des Moines | Iowa | 460 | $10,341 | $22,480 |
| 52246 | Iowa City | Iowa | 860 | $18,376 | $21,367 |
| 52411 | Cedar Rapids | Iowa | 500 | $10,000 | $20,000 |
| 50074 | Ellston | Iowa | 30 | $597 | $19,900 |
| 50325 | Clive | Iowa | 1,130 | $22,340 | $19,770 |
| 50266 | West Des Moines | Iowa | 1,550 | $30,593 | $19,737 |
| 50265 | West Des Moines | Iowa | 1,910 | $37,577 | $19,674 |
| 50312 | Des Moines | Iowa | 1,060 | $20,103 | $18,965 |
| 50131 | Johnston | Iowa | 1,080 | $20,268 | $18,767 |
| 50309 | Des Moines | Iowa | 130 | $2,381 | $18,315 |
| 52240 | Iowa City | Iowa | 1,250 | $22,051 | $17,641 |
| 52403 | Cedar Rapids | Iowa | 1,470 | $25,801 | $17,552 |
| 52333 | Solon | Iowa | 450 | $7,612 | $16,916 |
| 52338 | Swisher | Iowa | 220 | $3,714 | $16,882 |
| 50014 | Ames | Iowa | 910 | $15,151 | $16,649 |
| 50263 | Waukee | Iowa | 790 | $13,144 | $16,638 |
| 52761 | Muscatine | Iowa | 1,600 | $25,893 | $16,183 |
| 52245 | Iowa City | Iowa | 1,180 | $18,896 | $16,014 |
| 52241 | Coralville | Iowa | 700 | $10,998 | $15,711 |
| 52755 | Lone Tree | Iowa | 100 | $1,538 | $15,380 |
| 52738 | Columbus Junction | Iowa | 140 | $2,152 | $15,371 |
| 51355 | Okoboji | Iowa | 130 | $1,989 | $15,300 |
| 52807 | Davenport | Iowa | 920 | $14,021 | $15,240 |
| 52328 | Robins | Iowa | 180 | $2,739 | $15,217 |
| 50073 | Elkhart | Iowa | 40 | $601 | $15,025 |
| 50324 | Windsor Heights | Iowa | 420 | $6,275 | $14,940 |
| 50322 | Urbandale | Iowa | 2,150 | $32,066 | $14,914 |
| 50216 | Panora | Iowa | 230 | $3,429 | $14,909 |
| 50261 | Van Meter | Iowa | 110 | $1,612 | $14,655 |
| 50229 | Prole | Iowa | 60 | $871 | $14,517 |
| 50061 | Cumming | Iowa | 120 | $1,732 | $14,433 |
| 50010 | Ames | Iowa | 1,570 | $22,510 | $14,338 |
| 51503 | Council Bluffs | Iowa | 2,050 | $29,261 | $14,274 |
| 52632 | Keokuk | Iowa | 600 | $8,553 | $14,255 |
| 51575 | Treynor | Iowa | 80 | $1,135 | $14,188 |
| 52556 | Fairfield | Iowa | 700 | $9,912 | $14,160 |
| 52317 | North Liberty | Iowa | 580 | $8,203 | $14,143 |
| 50023 | Ankeny | Iowa | 1,420 | $20,045 | $14,116 |
| 52227 | Ely | Iowa | 120 | $1,692 | $14,100 |
| 50237 | Runnells | Iowa | 190 | $2,678 | $14,095 |
| 52722 | Bettendorf | Iowa | 2,540 | $35,800 | $14,094 |
| 52003 | Dubuque | Iowa | 1,000 | $13,976 | $13,976 |
| 50111 | Grimes | Iowa | 410 | $5,719 | $13,949 |
| 50125 | Indianola | Iowa | 1,130 | $15,734 | $13,924 |
| 50021 | Ankeny | Iowa | 1,320 | $18,357 | $13,907 |
| 50226 | Polk City | Iowa | 230 | $3,198 | $13,904 |
| 52233 | Hiawatha | Iowa | 380 | $5,270 | $13,868 |
| 51331 | Arnolds Park | Iowa | 150 | $2,078 | $13,853 |
| 50112 | Grinnell | Iowa | 730 | $10,043 | $13,758 |
| 51360 | Spirit Lake | Iowa | 720 | $9,897 | $13,746 |
| 52346 | Van Horne | Iowa | 60 | $823 | $13,717 |
| 52402 | Cedar Rapids | Iowa | 2,490 | $33,939 | $13,630 |
| 52749 | Fruitland | Iowa | 40 | $543 | $13,575 |
| 52726 | Blue Grass | Iowa | 330 | $4,478 | $13,570 |
| 52778 | Wilton | Iowa | 200 | $2,714 | $13,570 |
| 50047 | Carlisle | Iowa | 330 | $4,476 | $13,564 |
| 51640 | Hamburg | Iowa | 60 | $813 | $13,550 |
| 52314 | Mount Vernon | Iowa | 280 | $3,793 | $13,546 |
| 51104 | Sioux City | Iowa | 1,080 | $14,581 | $13,501 |
| 52302 | Marion | Iowa | 2,420 | $32,264 | $13,332 |
| 50660 | New Hartford | Iowa | 50 | $666 | $13,320 |
| 52753 | Le Claire | Iowa | 330 | $4,392 | $13,309 |
| 50211 | Norwalk | Iowa | 580 | $7,714 | $13,300 |
| 50044 | Bussey | Iowa | 30 | $397 | $13,233 |
| 50003 | Adel | Iowa | 390 | $5,134 | $13,164 |
| 50219 | Pella | Iowa | 940 | $12,372 | $13,162 |
| 50701 | Waterloo | Iowa | 1,770 | $23,223 | $13,120 |
| 50327 | Des Moines | Iowa | 620 | $8,122 | $13,100 |
| 52653 | Wapello | Iowa | 190 | $2,479 | $13,047 |
| 52766 | Nichols | Iowa | 40 | $518 | $12,950 |
| 50049 | Chariton | Iowa | 310 | $3,980 | $12,839 |
| 52358 | West Branch | Iowa | 180 | $2,304 | $12,800 |
| 52601 | Burlington | Iowa | 1,610 | $20,578 | $12,781 |
| 52327 | Riverside | Iowa | 160 | $2,043 | $12,769 |
| 50168 | Mingo | Iowa | 40 | $509 | $12,725 |
| 50428 | Clear Lake | Iowa | 710 | $8,989 | $12,661 |
| 50210 | New Virginia | Iowa | 80 | $1,006 | $12,575 |
| 52324 | Palo | Iowa | 90 | $1,126 | $12,511 |
| 50143 | Leighton | Iowa | 40 | $499 | $12,475 |
| 50613 | Cedar Falls | Iowa | 2,320 | $28,889 | $12,452 |
| 50009 | Altoona | Iowa | 830 | $10,304 | $12,414 |
| 52754 | Letts | Iowa | 80 | $993 | $12,413 |
| 50240 | Saint Charles | Iowa | 130 | $1,598 | $12,292 |
| 50124 | Huxley | Iowa | 170 | $2,077 | $12,218 |
| 52803 | Davenport | Iowa | 840 | $10,253 | $12,206 |
| 51546 | Logan | Iowa | 110 | $1,340 | $12,182 |
| 50257 | Truro | Iowa | 40 | $485 | $12,125 |
| 50677 | Waverly | Iowa | 770 | $9,306 | $12,086 |
| 51301 | Spencer | Iowa | 780 | $9,393 | $12,042 |
| 50310 | Des Moines | Iowa | 1,520 | $18,296 | $12,037 |
| 50244 | Slater | Iowa | 90 | $1,082 | $12,022 |
| 52768 | Princeton | Iowa | 80 | $959 | $11,988 |
| 50525 | Clarion | Iowa | 190 | $2,277 | $11,984 |
| 50158 | Marshalltown | Iowa | 1,650 | $19,730 | $11,958 |
| 51646 | New Market | Iowa | 40 | $477 | $11,925 |
| 52345 | Urbana | Iowa | 40 | $475 | $11,875 |
| 50320 | Des Moines | Iowa | 680 | $8,056 | $11,847 |
| 52401 | Cedar Rapids | Iowa | 50 | $592 | $11,840 |
| 50501 | Fort Dodge | Iowa | 1,470 | $17,388 | $11,829 |
| 52748 | Eldridge | Iowa | 490 | $5,792 | $11,820 |
| 50315 | Des Moines | Iowa | 1,250 | $14,771 | $11,817 |
| 52806 | Davenport | Iowa | 1,440 | $17,010 | $11,813 |
| 52203 | Amana | Iowa | 170 | $2,006 | $11,800 |
| 51526 | Crescent | Iowa | 110 | $1,297 | $11,791 |
| 52641 | Mount Pleasant | Iowa | 640 | $7,545 | $11,789 |
| 51108 | Sioux City | Iowa | 260 | $3,065 | $11,788 |
| 52405 | Cedar Rapids | Iowa | 1,480 | $17,359 | $11,729 |
| 50105 | Gilbert | Iowa | 50 | $586 | $11,720 |
| 52732 | Clinton | Iowa | 1,360 | $15,929 | $11,713 |
| 52332 | Shellsburg | Iowa | 110 | $1,286 | $11,691 |
| 52101 | Decorah | Iowa | 970 | $11,330 | $11,680 |
| 50054 | Colfax | Iowa | 140 | $1,630 | $11,643 |
| 52070 | Sabula | Iowa | 60 | $698 | $11,633 |
| 50072 | Earlham | Iowa | 130 | $1,511 | $11,623 |
| 52002 | Dubuque | Iowa | 1,060 | $12,315 | $11,618 |
| 50225 | Pleasantville | Iowa | 160 | $1,858 | $11,613 |
| 52341 | Toddville | Iowa | 80 | $929 | $11,613 |
| 52253 | Lisbon | Iowa | 140 | $1,625 | $11,607 |
| 52658 | Wever | Iowa | 80 | $920 | $11,500 |
| 50247 | State Center | Iowa | 120 | $1,376 | $11,467 |
| 52322 | Oxford | Iowa | 120 | $1,374 | $11,450 |
| 50311 | Des Moines | Iowa | 430 | $4,919 | $11,440 |
| 50313 | Des Moines | Iowa | 620 | $7,086 | $11,429 |
| 50450 | Lake Mills | Iowa | 250 | $2,844 | $11,376 |
| 51449 | Lake City | Iowa | 140 | $1,589 | $11,350 |
| 52637 | Mediapolis | Iowa | 130 | $1,474 | $11,338 |
| 52747 | Durant | Iowa | 150 | $1,697 | $11,313 |
| 51351 | Milford | Iowa | 310 | $3,506 | $11,310 |
| 50208 | Newton | Iowa | 1,210 | $13,642 | $11,274 |
| 52205 | Anamosa | Iowa | 450 | $5,060 | $11,244 |
| 51054 | Sergeant Bluff | Iowa | 230 | $2,586 | $11,243 |
| 52211 | Brooklyn | Iowa | 120 | $1,345 | $11,208 |
| 52645 | New London | Iowa | 200 | $2,241 | $11,205 |
| 52247 | Kalona | Iowa | 270 | $3,025 | $11,204 |
| 50214 | Otley | Iowa | 40 | $448 | $11,200 |
| 50256 | Tracy | Iowa | 20 | $224 | $11,200 |
| 52501 | Ottumwa | Iowa | 1,190 | $13,271 | $11,152 |
| 52577 | Oskaloosa | Iowa | 780 | $8,695 | $11,147 |
| 50006 | Alden | Iowa | 70 | $780 | $11,143 |
| 50482 | Ventura | Iowa | 50 | $557 | $11,140 |
| 50169 | Mitchellville | Iowa | 130 | $1,447 | $11,131 |
| 51501 | Council Bluffs | Iowa | 990 | $11,009 | $11,120 |
| 52039 | Durango | Iowa | 70 | $778 | $11,114 |
| 52228 | Fairfax | Iowa | 210 | $2,333 | $11,110 |
| 50401 | Mason City | Iowa | 1,700 | $18,873 | $11,102 |
| 50514 | Armstrong | Iowa | 80 | $888 | $11,100 |
| 50548 | Humboldt | Iowa | 450 | $4,992 | $11,093 |
| 52742 | De Witt | Iowa | 480 | $5,294 | $11,029 |
| 51334 | Estherville | Iowa | 350 | $3,844 | $10,983 |
| 51601 | Shenandoah | Iowa | 380 | $4,149 | $10,918 |
| 52213 | Center Point | Iowa | 210 | $2,288 | $10,895 |
| 51566 | Red Oak | Iowa | 390 | $4,247 | $10,890 |
| 52553 | Eddyville | Iowa | 70 | $761 | $10,871 |
| 51534 | Glenwood | Iowa | 390 | $4,236 | $10,862 |
| 52655 | West Burlington | Iowa | 290 | $3,146 | $10,848 |
| 50109 | Granger | Iowa | 130 | $1,410 | $10,846 |
| 50201 | Nevada | Iowa | 460 | $4,987 | $10,841 |
| 52160 | New Albin | Iowa | 50 | $538 | $10,760 |
| 50123 | Humeston | Iowa | 20 | $215 | $10,750 |
| 52619 | Argyle | Iowa | 20 | $215 | $10,750 |
| 52336 | Springville | Iowa | 140 | $1,504 | $10,743 |
| 52640 | Morning Sun | Iowa | 60 | $644 | $10,733 |
| 50511 | Algona | Iowa | 510 | $5,454 | $10,694 |
| 50273 | Winterset | Iowa | 420 | $4,481 | $10,669 |
| 50317 | Des Moines | Iowa | 1,360 | $14,486 | $10,651 |
| 50478 | Thompson | Iowa | 40 | $426 | $10,650 |
| 50035 | Bondurant | Iowa | 220 | $2,339 | $10,632 |
| 52720 | Atalissa | Iowa | 40 | $425 | $10,625 |
| 50036 | Boone | Iowa | 920 | $9,771 | $10,621 |
| 52301 | Marengo | Iowa | 230 | $2,442 | $10,617 |
| 52639 | Montrose | Iowa | 120 | $1,274 | $10,617 |
| 51006 | Battle Creek | Iowa | 40 | $423 | $10,575 |
| 50436 | Forest City | Iowa | 370 | $3,896 | $10,530 |
| 50588 | Storm Lake | Iowa | 500 | $5,256 | $10,512 |
| 50135 | Kellogg | Iowa | 90 | $946 | $10,511 |
| 51106 | Sioux City | Iowa | 1,470 | $15,435 | $10,500 |
| 50138 | Knoxville | Iowa | 640 | $6,711 | $10,486 |
| 50007 | Alleman | Iowa | 20 | $209 | $10,450 |
| 50028 | Baxter | Iowa | 80 | $836 | $10,450 |
| 52146 | Harpers Ferry | Iowa | 100 | $1,045 | $10,450 |
| 50579 | Rockwell City | Iowa | 140 | $1,462 | $10,443 |
| 52255 | Lowden | Iowa | 70 | $730 | $10,429 |
| 52361 | Williamsburg | Iowa | 320 | $3,331 | $10,409 |
| 50063 | Dallas Center | Iowa | 150 | $1,556 | $10,373 |
| 52804 | Davenport | Iowa | 1,250 | $12,955 | $10,364 |
| 51555 | Missouri Valley | Iowa | 270 | $2,797 | $10,359 |
| 52151 | Lansing | Iowa | 170 | $1,757 | $10,335 |
| 50207 | New Sharon | Iowa | 120 | $1,238 | $10,317 |
| 51560 | Oakland | Iowa | 90 | $928 | $10,311 |
| 52627 | Fort Madison | Iowa | 680 | $7,003 | $10,299 |
| 50616 | Charles City | Iowa | 670 | $6,877 | $10,264 |
| 52001 | Dubuque | Iowa | 2,250 | $23,076 | $10,256 |
| 52068 | Peosta | Iowa | 200 | $2,048 | $10,240 |
| 52746 | Donahue | Iowa | 50 | $512 | $10,240 |
| 50662 | Oelwein | Iowa | 400 | $4,094 | $10,235 |
| 52404 | Cedar Rapids | Iowa | 1,620 | $16,571 | $10,229 |
| 52310 | Monticello | Iowa | 390 | $3,961 | $10,156 |
| 52216 | Clarence | Iowa | 100 | $1,015 | $10,150 |
| 52214 | Central City | Iowa | 180 | $1,825 | $10,139 |
| 52551 | Douds | Iowa | 30 | $304 | $10,133 |
| 51031 | Le Mars | Iowa | 710 | $7,191 | $10,128 |
| 52730 | Camanche | Iowa | 300 | $3,037 | $10,123 |
| 50595 | Webster City | Iowa | 570 | $5,760 | $10,105 |
| 50557 | Lehigh | Iowa | 20 | $202 | $10,100 |
| 52040 | Dyersville | Iowa | 350 | $3,533 | $10,094 |
| 50638 | Grundy Center | Iowa | 260 | $2,624 | $10,092 |
| 52208 | Belle Plaine | Iowa | 150 | $1,513 | $10,087 |
| 50234 | Rhodes | Iowa | 30 | $301 | $10,033 |
| 50421 | Belmond | Iowa | 230 | $2,307 | $10,030 |
| 52659 | Winfield | Iowa | 70 | $701 | $10,014 |
| 50622 | Denver | Iowa | 190 | $1,902 | $10,011 |
| 51576 | Underwood | Iowa | 70 | $699 | $9,986 |
| 52356 | Wellman | Iowa | 120 | $1,197 | $9,975 |
| 51401 | Carroll | Iowa | 780 | $7,751 | $9,937 |
| 50644 | Independence | Iowa | 480 | $4,757 | $9,910 |
| 52625 | Donnellson | Iowa | 170 | $1,684 | $9,906 |
| 52623 | Danville | Iowa | 110 | $1,089 | $9,900 |
| 52537 | Bloomfield | Iowa | 290 | $2,868 | $9,890 |
| 50171 | Montezuma | Iowa | 160 | $1,576 | $9,850 |
| 50629 | Fairbank | Iowa | 90 | $886 | $9,844 |
| 50170 | Monroe | Iowa | 150 | $1,470 | $9,800 |
| 51632 | Clarinda | Iowa | 370 | $3,626 | $9,800 |
| 52569 | Melrose | Iowa | 40 | $390 | $9,750 |
| 52571 | Moravia | Iowa | 80 | $775 | $9,688 |
| 52650 | Sperry | Iowa | 60 | $581 | $9,683 |
| 52031 | Bellevue | Iowa | 310 | $3,001 | $9,681 |
| 51652 | Sidney | Iowa | 70 | $677 | $9,671 |
| 50648 | Jesup | Iowa | 210 | $2,028 | $9,657 |
| 50022 | Atlantic | Iowa | 520 | $5,016 | $9,646 |
| 52340 | Tiffin | Iowa | 100 | $962 | $9,620 |
| 52057 | Manchester | Iowa | 460 | $4,423 | $9,615 |
| 50316 | Des Moines | Iowa | 350 | $3,364 | $9,611 |
| 52777 | Wheatland | Iowa | 70 | $672 | $9,600 |
| 50212 | Ogden | Iowa | 200 | $1,914 | $9,570 |
| 50516 | Badger | Iowa | 30 | $287 | $9,567 |
| 50458 | Nora Springs | Iowa | 110 | $1,052 | $9,564 |
| 52353 | Washington | Iowa | 600 | $5,706 | $9,510 |
| 50070 | Dexter | Iowa | 70 | $665 | $9,500 |
| 51055 | Sloan | Iowa | 80 | $758 | $9,475 |
| 50156 | Madrid | Iowa | 240 | $2,272 | $9,467 |
| 52776 | West Liberty | Iowa | 220 | $2,081 | $9,459 |
| 50228 | Prairie City | Iowa | 140 | $1,319 | $9,421 |
| 50220 | Perry | Iowa | 320 | $3,014 | $9,419 |
| 52544 | Centerville | Iowa | 350 | $3,292 | $9,406 |
| 50438 | Garner | Iowa | 270 | $2,538 | $9,400 |
| 52069 | Preston | Iowa | 90 | $845 | $9,389 |
| 50046 | Cambridge | Iowa | 70 | $657 | $9,386 |
| 50647 | Janesville | Iowa | 130 | $1,220 | $9,385 |
| 50248 | Story City | Iowa | 290 | $2,720 | $9,379 |