| Zip Code | City / Town | State | Returns | Total ($1000) | Avg/return |
| 51101 | Sioux City | Iowa | 250 | $5,952 | $23,808 |
| 50570 | Ottosen | Iowa | 90 | $2,334 | $25,933 |
| 51105 | Sioux City | Iowa | 3,850 | $100,623 | $26,136 |
| 50556 | Ledyard | Iowa | 90 | $2,416 | $26,844 |
| 50314 | Des Moines | Iowa | 4,450 | $119,605 | $26,878 |
| 50065 | Davis City | Iowa | 140 | $3,818 | $27,271 |
| 52802 | Davenport | Iowa | 4,190 | $116,340 | $27,766 |
| 50860 | Redding | Iowa | 70 | $1,945 | $27,786 |
| 52542 | Cantril | Iowa | 130 | $3,840 | $29,538 |
| 50843 | Cumberland | Iowa | 200 | $5,961 | $29,805 |
| 51343 | Greenville | Iowa | 110 | $3,280 | $29,818 |
| 50316 | Des Moines | Iowa | 6,020 | $180,546 | $29,991 |
| 52555 | Exline | Iowa | 120 | $3,646 | $30,383 |
| 50470 | Rowan | Iowa | 90 | $2,737 | $30,411 |
| 50451 | Lakota | Iowa | 210 | $6,387 | $30,414 |
| 50586 | Somers | Iowa | 130 | $3,964 | $30,492 |
| 50703 | Waterloo | Iowa | 7,410 | $226,682 | $30,591 |
| 52232 | Hartwick | Iowa | 90 | $2,755 | $30,611 |
| 50582 | Rutland | Iowa | 100 | $3,065 | $30,650 |
| 50271 | Williams | Iowa | 230 | $7,089 | $30,822 |
| 50133 | Kellerton | Iowa | 180 | $5,555 | $30,861 |
| 51441 | Deloit | Iowa | 140 | $4,347 | $31,050 |
| 51364 | Terril | Iowa | 270 | $8,385 | $31,056 |
| 50515 | Ayrshire | Iowa | 100 | $3,108 | $31,080 |
| 50484 | Woden | Iowa | 150 | $4,674 | $31,160 |
| 51523 | Blencoe | Iowa | 140 | $4,363 | $31,164 |
| 52212 | Center Junction | Iowa | 130 | $4,108 | $31,600 |
| 51528 | Dow City | Iowa | 350 | $11,097 | $31,706 |
| 51103 | Sioux City | Iowa | 6,700 | $212,479 | $31,713 |
| 50565 | Marathon | Iowa | 170 | $5,404 | $31,788 |
| 52147 | Hawkeye | Iowa | 390 | $12,400 | $31,795 |
| 50050 | Churdan | Iowa | 240 | $7,638 | $31,825 |
| 50590 | Swea City | Iowa | 340 | $10,825 | $31,838 |
| 51545 | Little Sioux | Iowa | 140 | $4,473 | $31,950 |
| 50628 | Elma | Iowa | 420 | $13,436 | $31,990 |
| 52077 | Volga | Iowa | 140 | $4,479 | $31,993 |
| 52574 | Mystic | Iowa | 300 | $9,607 | $32,023 |
| 50581 | Rolfe | Iowa | 340 | $10,930 | $32,147 |
| 50591 | Thor | Iowa | 120 | $3,866 | $32,217 |
| 51060 | Ute | Iowa | 210 | $6,793 | $32,348 |
| 52584 | Pulaski | Iowa | 140 | $4,542 | $32,443 |
| 50528 | Cylinder | Iowa | 140 | $4,554 | $32,529 |
| 50519 | Bode | Iowa | 260 | $8,460 | $32,538 |
| 51558 | Moorhead | Iowa | 170 | $5,532 | $32,541 |
| 50603 | Alta Vista | Iowa | 190 | $6,183 | $32,542 |
| 50076 | Exira | Iowa | 520 | $16,947 | $32,590 |
| 50264 | Weldon | Iowa | 160 | $5,227 | $32,669 |
| 50042 | Brayton | Iowa | 110 | $3,594 | $32,673 |
| 51543 | Kimballton | Iowa | 170 | $5,560 | $32,706 |
| 51439 | Charter Oak | Iowa | 320 | $10,484 | $32,763 |
| 50262 | Van Wert | Iowa | 170 | $5,575 | $32,794 |
| 50836 | Blockton | Iowa | 130 | $4,271 | $32,854 |
| 50132 | Kamrar | Iowa | 160 | $5,258 | $32,863 |
| 52162 | Postville | Iowa | 1,300 | $42,764 | $32,895 |
| 51358 | Ruthven | Iowa | 530 | $17,450 | $32,925 |
| 51029 | Larrabee | Iowa | 130 | $4,282 | $32,938 |
| 50861 | Shannon City | Iowa | 90 | $2,965 | $32,944 |
| 50848 | Gravity | Iowa | 120 | $3,954 | $32,950 |
| 52590 | Seymour | Iowa | 310 | $10,238 | $33,026 |
| 52254 | Lost Nation | Iowa | 360 | $11,908 | $33,078 |
| 52217 | Clutier | Iowa | 210 | $6,981 | $33,243 |
| 52339 | Tama | Iowa | 1,710 | $56,877 | $33,261 |
| 50560 | Lu Verne | Iowa | 200 | $6,665 | $33,325 |
| 51019 | Danbury | Iowa | 290 | $9,694 | $33,428 |
| 51631 | Braddyville | Iowa | 120 | $4,016 | $33,467 |
| 50457 | Meservey | Iowa | 150 | $5,026 | $33,507 |
| 50430 | Corwith | Iowa | 200 | $6,712 | $33,560 |
| 50071 | Dows | Iowa | 340 | $11,411 | $33,562 |
| 50027 | Barnes City | Iowa | 100 | $3,359 | $33,590 |
| 51453 | Lohrville | Iowa | 250 | $8,423 | $33,692 |
| 52569 | Melrose | Iowa | 180 | $6,075 | $33,750 |
| 50539 | Fenton | Iowa | 190 | $6,413 | $33,753 |
| 50840 | Clearfield | Iowa | 180 | $6,078 | $33,767 |
| 52554 | Eldon | Iowa | 470 | $15,892 | $33,813 |
| 50606 | Arlington | Iowa | 310 | $10,485 | $33,823 |
| 51048 | Pierson | Iowa | 210 | $7,126 | $33,933 |
| 50449 | Klemme | Iowa | 280 | $9,507 | $33,954 |
| 50466 | Riceville | Iowa | 560 | $19,051 | $34,020 |
| 50650 | Lamont | Iowa | 290 | $9,866 | $34,021 |
| 50067 | Decatur | Iowa | 100 | $3,404 | $34,040 |
| 52739 | Conesville | Iowa | 310 | $10,583 | $34,139 |
| 51243 | Little Rock | Iowa | 290 | $9,903 | $34,148 |
| 50477 | Swaledale | Iowa | 120 | $4,101 | $34,175 |
| 51501 | Council Bluffs | Iowa | 13,810 | $472,040 | $34,181 |
| 52635 | Lockridge | Iowa | 270 | $9,232 | $34,193 |
| 52309 | Monmouth | Iowa | 180 | $6,171 | $34,283 |
| 52801 | Davenport | Iowa | 450 | $15,440 | $34,311 |
| 52581 | Plano | Iowa | 110 | $3,777 | $34,336 |
| 51649 | Randolph | Iowa | 140 | $4,818 | $34,414 |
| 52737 | Columbus City | Iowa | 160 | $5,510 | $34,438 |
| 51333 | Dickens | Iowa | 220 | $7,579 | $34,450 |
| 51365 | Wallingford | Iowa | 130 | $4,480 | $34,462 |
| 52570 | Milton | Iowa | 210 | $7,237 | $34,462 |
| 52335 | South English | Iowa | 240 | $8,271 | $34,463 |
| 51465 | Vail | Iowa | 270 | $9,313 | $34,493 |
| 51433 | Auburn | Iowa | 240 | $8,292 | $34,550 |
| 50242 | Searsboro | Iowa | 160 | $5,531 | $34,569 |
| 52133 | Castalia | Iowa | 200 | $6,918 | $34,590 |
| 51650 | Riverton | Iowa | 140 | $4,845 | $34,607 |
| 51231 | Archer | Iowa | 100 | $3,462 | $34,620 |
| 52626 | Farmington | Iowa | 420 | $14,547 | $34,636 |
| 51345 | Harris | Iowa | 150 | $5,198 | $34,653 |
| 50108 | Grand River | Iowa | 130 | $4,505 | $34,654 |
| 52586 | Rose Hill | Iowa | 190 | $6,587 | $34,668 |
| 51061 | Washta | Iowa | 160 | $5,550 | $34,688 |
| 50471 | Rudd | Iowa | 290 | $10,071 | $34,728 |
| 51033 | Linn Grove | Iowa | 180 | $6,252 | $34,733 |
| 51034 | Mapleton | Iowa | 660 | $22,928 | $34,739 |
| 50662 | Oelwein | Iowa | 2,530 | $87,924 | $34,753 |
| 51010 | Castana | Iowa | 180 | $6,260 | $34,778 |
| 50478 | Thompson | Iowa | 330 | $11,477 | $34,779 |
| 50452 | Latimer | Iowa | 280 | $9,743 | $34,796 |
| 52323 | Oxford Junction | Iowa | 260 | $9,049 | $34,804 |
| 50005 | Albion | Iowa | 270 | $9,398 | $34,807 |
| 50140 | Lamoni | Iowa | 750 | $26,109 | $34,812 |
| 52630 | Hillsboro | Iowa | 150 | $5,228 | $34,853 |
| 50575 | Pomeroy | Iowa | 300 | $10,457 | $34,857 |
| 50480 | Titonka | Iowa | 360 | $12,565 | $34,903 |
| 51049 | Quimby | Iowa | 190 | $6,634 | $34,916 |
| 52549 | Cincinnati | Iowa | 210 | $7,335 | $34,929 |
| 52550 | Delta | Iowa | 180 | $6,289 | $34,939 |
| 52544 | Centerville | Iowa | 2,690 | $94,115 | $34,987 |
| 50476 | Stacyville | Iowa | 280 | $9,798 | $34,993 |
| 50103 | Garden Grove | Iowa | 150 | $5,250 | $35,000 |
| 50578 | Ringsted | Iowa | 220 | $7,702 | $35,009 |
| 51037 | Meriden | Iowa | 140 | $4,908 | $35,057 |
| 52572 | Moulton | Iowa | 340 | $11,926 | $35,076 |
| 50837 | Bridgewater | Iowa | 120 | $4,210 | $35,083 |
| 52540 | Brighton | Iowa | 550 | $19,317 | $35,122 |
| 51357 | Royal | Iowa | 270 | $9,485 | $35,130 |
| 52644 | Mount Union | Iowa | 160 | $5,623 | $35,144 |
| 50456 | Manly | Iowa | 670 | $23,570 | $35,179 |
| 50433 | Dougherty | Iowa | 110 | $3,874 | $35,218 |
| 52583 | Promise City | Iowa | 110 | $3,880 | $35,273 |
| 51440 | Dedham | Iowa | 140 | $4,942 | $35,300 |
| 50554 | Laurens | Iowa | 640 | $22,593 | $35,302 |
| 50144 | Leon | Iowa | 940 | $33,201 | $35,320 |
| 50522 | Burt | Iowa | 330 | $11,658 | $35,327 |
| 51036 | Maurice | Iowa | 270 | $9,546 | $35,356 |
| 50123 | Humeston | Iowa | 260 | $9,194 | $35,362 |
| 51448 | Kiron | Iowa | 190 | $6,724 | $35,389 |
| 52065 | New Vienna | Iowa | 370 | $13,108 | $35,427 |
| 51014 | Cleghorn | Iowa | 200 | $7,087 | $35,435 |
| 50448 | Kensett | Iowa | 260 | $9,222 | $35,469 |
| 50268 | What Cheer | Iowa | 300 | $10,644 | $35,480 |
| 50447 | Kanawha | Iowa | 400 | $14,212 | $35,530 |
| 51044 | Oto | Iowa | 80 | $2,843 | $35,538 |
| 50538 | Farnhamville | Iowa | 220 | $7,822 | $35,555 |
| 51645 | Imogene | Iowa | 90 | $3,201 | $35,567 |
| 52632 | Keokuk | Iowa | 4,670 | $166,561 | $35,666 |
| 51430 | Arcadia | Iowa | 310 | $11,079 | $35,739 |
| 50066 | Dawson | Iowa | 120 | $4,289 | $35,742 |
| 50851 | Lenox | Iowa | 730 | $26,096 | $35,748 |
| 51058 | Sutherland | Iowa | 360 | $12,881 | $35,781 |
| 52576 | Ollie | Iowa | 200 | $7,158 | $35,790 |
| 50588 | Storm Lake | Iowa | 5,440 | $194,940 | $35,835 |
| 51350 | Melvin | Iowa | 170 | $6,092 | $35,835 |
| 52646 | Oakville | Iowa | 140 | $5,018 | $35,843 |
| 50611 | Bristow | Iowa | 130 | $4,660 | $35,846 |
| 50607 | Aurora | Iowa | 190 | $6,819 | $35,889 |
| 50559 | Lone Rock | Iowa | 150 | $5,386 | $35,907 |
| 51431 | Arthur | Iowa | 150 | $5,386 | $35,907 |
| 51342 | Graettinger | Iowa | 460 | $16,520 | $35,913 |
| 50315 | Des Moines | Iowa | 15,230 | $547,087 | $35,922 |
| 50625 | Dumont | Iowa | 350 | $12,575 | $35,929 |
| 50008 | Allerton | Iowa | 270 | $9,705 | $35,944 |
| 50654 | Masonville | Iowa | 200 | $7,193 | $35,965 |
| 50540 | Fonda | Iowa | 390 | $14,027 | $35,967 |
| 51006 | Battle Creek | Iowa | 370 | $13,308 | $35,968 |
| 51018 | Cushing | Iowa | 150 | $5,400 | $36,000 |
| 51541 | Henderson | Iowa | 130 | $4,680 | $36,000 |
| 52207 | Baldwin | Iowa | 120 | $4,322 | $36,017 |
| 50235 | Rippey | Iowa | 160 | $5,764 | $36,025 |
| 51354 | Ocheyedan | Iowa | 390 | $14,054 | $36,036 |
| 52585 | Richland | Iowa | 370 | $13,350 | $36,081 |
| 50562 | Mallard | Iowa | 170 | $6,140 | $36,118 |
| 50048 | Casey | Iowa | 320 | $11,578 | $36,181 |
| 50254 | Thayer | Iowa | 110 | $3,985 | $36,227 |
| 50571 | Palmer | Iowa | 140 | $5,074 | $36,243 |
| 51462 | Scranton | Iowa | 400 | $14,501 | $36,253 |
| 50026 | Bagley | Iowa | 200 | $7,257 | $36,285 |
| 50317 | Des Moines | Iowa | 14,980 | $543,734 | $36,297 |
| 50420 | Alexander | Iowa | 120 | $4,359 | $36,325 |
| 52171 | Waucoma | Iowa | 370 | $13,454 | $36,362 |
| 51046 | Paullina | Iowa | 610 | $22,189 | $36,375 |
| 52050 | Greeley | Iowa | 220 | $8,005 | $36,386 |
| 50853 | Massena | Iowa | 220 | $8,016 | $36,436 |
| 52359 | West Chester | Iowa | 110 | $4,010 | $36,455 |
| 50833 | Bedford | Iowa | 780 | $28,443 | $36,465 |
| 50459 | Northwood | Iowa | 1,230 | $44,859 | $36,471 |
| 50517 | Bancroft | Iowa | 350 | $12,765 | $36,471 |
| 50702 | Waterloo | Iowa | 8,410 | $306,932 | $36,496 |
| 50864 | Villisca | Iowa | 720 | $26,282 | $36,503 |
| 50859 | Prescott | Iowa | 200 | $7,301 | $36,505 |
| 52222 | Deep River | Iowa | 250 | $9,136 | $36,544 |
| 52229 | Garrison | Iowa | 260 | $9,502 | $36,546 |
| 52651 | Stockport | Iowa | 220 | $8,057 | $36,623 |
| 52154 | Lawler | Iowa | 390 | $14,292 | $36,646 |
| 51053 | Schaller | Iowa | 460 | $16,862 | $36,657 |
| 51449 | Lake City | Iowa | 750 | $27,498 | $36,664 |
| 50641 | Hazleton | Iowa | 470 | $17,237 | $36,674 |
| 52048 | Garber | Iowa | 120 | $4,403 | $36,692 |
| 50577 | Renwick | Iowa | 150 | $5,505 | $36,700 |
| 52649 | Salem | Iowa | 390 | $14,324 | $36,728 |
| 50277 | Yale | Iowa | 190 | $6,979 | $36,732 |
| 52142 | Fayette | Iowa | 490 | $18,001 | $36,737 |
| 50423 | Britt | Iowa | 1,080 | $39,678 | $36,739 |
| 50541 | Gilmore City | Iowa | 310 | $11,417 | $36,829 |
| 51109 | Sioux City | Iowa | 1,330 | $48,984 | $36,830 |
| 51552 | Marne | Iowa | 100 | $3,683 | $36,830 |
| 52237 | Hopkinton | Iowa | 610 | $22,507 | $36,897 |
| 50510 | Albert City | Iowa | 410 | $15,128 | $36,898 |
| 50157 | Malcom | Iowa | 290 | $10,704 | $36,910 |
| 51463 | Templeton | Iowa | 240 | $8,868 | $36,950 |
| 50051 | Clemons | Iowa | 110 | $4,067 | $36,973 |
| 52146 | Harpers Ferry | Iowa | 320 | $11,836 | $36,988 |
| 52169 | Wadena | Iowa | 160 | $5,919 | $36,994 |
| 50020 | Anita | Iowa | 520 | $19,261 | $37,040 |
| 50453 | Leland | Iowa | 230 | $8,530 | $37,087 |
| 50598 | Whittemore | Iowa | 420 | $15,584 | $37,105 |
| 50107 | Grand Junction | Iowa | 410 | $15,215 | $37,110 |
| 50424 | Buffalo Center | Iowa | 540 | $20,044 | $37,119 |
| 51047 | Peterson | Iowa | 220 | $8,168 | $37,127 |
| 50029 | Bayard | Iowa | 240 | $8,911 | $37,129 |
| 50707 | Evansdale | Iowa | 3,310 | $122,921 | $37,136 |
| 52151 | Lansing | Iowa | 740 | $27,488 | $37,146 |
| 50841 | Corning | Iowa | 1,020 | $37,901 | $37,158 |
| 51063 | Whiting | Iowa | 410 | $15,238 | $37,166 |
| 51532 | Elliott | Iowa | 230 | $8,552 | $37,183 |
| 50313 | Des Moines | Iowa | 6,860 | $255,185 | $37,199 |
| 51450 | Lake View | Iowa | 620 | $23,072 | $37,213 |
| 52216 | Clarence | Iowa | 550 | $20,475 | $37,227 |
| 52535 | Birmingham | Iowa | 330 | $12,288 | $37,236 |
| 50627 | Eldora | Iowa | 1,190 | $44,320 | $37,244 |
| 51334 | Estherville | Iowa | 2,890 | $107,648 | $37,248 |
| 51577 | Walnut | Iowa | 410 | $15,285 | $37,280 |
| 50148 | Liscomb | Iowa | 160 | $5,969 | $37,306 |
| 50025 | Audubon | Iowa | 1,130 | $42,163 | $37,312 |
| 52047 | Farmersburg | Iowa | 210 | $7,839 | $37,329 |
| 52035 | Colesburg | Iowa | 380 | $14,186 | $37,332 |
| 52064 | Miles | Iowa | 340 | $12,705 | $37,368 |
| 52060 | Maquoketa | Iowa | 3,340 | $124,820 | $37,371 |
| 50655 | Maynard | Iowa | 310 | $11,597 | $37,410 |
| 52342 | Toledo | Iowa | 1,240 | $46,390 | $37,411 |
| 51023 | Hawarden | Iowa | 1,140 | $42,676 | $37,435 |
| 52620 | Bonaparte | Iowa | 280 | $10,484 | $37,443 |
| 50561 | Lytton | Iowa | 200 | $7,495 | $37,475 |
| 50633 | Geneva | Iowa | 120 | $4,499 | $37,492 |
| 50681 | Westgate | Iowa | 170 | $6,380 | $37,529 |
| 50533 | Eagle Grove | Iowa | 1,400 | $52,555 | $37,539 |