| Zip code | City | State | Number of returns | Total income ($1000) | Avg income/return |
| 83340 | Ketchum | Idaho | 3,530 | $425,246 | $120,466 |
| 83616 | Eagle | Idaho | 10,830 | $1,285,861 | $118,731 |
| 83712 | Boise | Idaho | 4,050 | $479,941 | $118,504 |
| 83702 | Boise | Idaho | 10,950 | $1,083,049 | $98,909 |
| 83716 | Boise | Idaho | 7,100 | $628,157 | $88,473 |
| 83333 | Hailey | Idaho | 4,570 | $326,709 | $71,490 |
| 83404 | Idaho Falls | Idaho | 9,730 | $682,693 | $70,164 |
| 83872 | Viola | Idaho | 310 | $21,519 | $69,416 |
| 83669 | Star | Idaho | 3,800 | $261,319 | $68,768 |
| 83714 | Garden City | Idaho | 10,090 | $678,312 | $67,226 |
| 83449 | Swan Valley | Idaho | 140 | $9,368 | $66,914 |
| 83706 | Boise | Idaho | 14,310 | $943,530 | $65,935 |
| 83287 | Fish Haven | Idaho | 90 | $5,928 | $65,867 |
| 83646 | Meridian | Idaho | 21,580 | $1,411,414 | $65,404 |
| 83642 | Meridian | Idaho | 17,130 | $1,104,849 | $64,498 |
| 83832 | Genesee | Idaho | 700 | $44,602 | $63,717 |
| 83833 | Harrison | Idaho | 590 | $37,367 | $63,334 |
| 83406 | Idaho Falls | Idaho | 6,190 | $382,184 | $61,742 |
| 83619 | Fruitland | Idaho | 3,140 | $193,385 | $61,588 |
| 83276 | Soda Springs | Idaho | 1,710 | $104,822 | $61,299 |
| 83638 | McCall | Idaho | 3,050 | $185,411 | $60,790 |
| 83835 | Hayden | Idaho | 10,260 | $622,780 | $60,700 |
| 83313 | Bellevue | Idaho | 1,330 | $80,199 | $60,300 |
| 83836 | Hope | Idaho | 490 | $29,217 | $59,627 |
| 83703 | Boise | Idaho | 8,050 | $476,789 | $59,228 |
| 83341 | Kimberly | Idaho | 2,910 | $171,363 | $58,888 |
| 83535 | Juliaetta | Idaho | 470 | $27,412 | $58,323 |
| 83226 | Challis | Idaho | 1,030 | $59,995 | $58,248 |
| 83311 | Albion | Idaho | 240 | $13,875 | $57,813 |
| 83871 | Troy | Idaho | 890 | $51,019 | $57,325 |
| 83709 | Boise | Idaho | 23,990 | $1,366,238 | $56,950 |
| 83455 | Victor | Idaho | 1,850 | $104,459 | $56,464 |
| 83860 | Sagle | Idaho | 2,630 | $148,445 | $56,443 |
| 83814 | Coeur D Alene | Idaho | 11,040 | $622,226 | $56,361 |
| 83429 | Island Park | Idaho | 410 | $23,021 | $56,149 |
| 83245 | Inkom | Idaho | 930 | $51,978 | $55,890 |
| 83821 | Coolin | Idaho | 140 | $7,799 | $55,707 |
| 83622 | Garden Valley | Idaho | 760 | $42,186 | $55,508 |
| 83713 | Boise | Idaho | 12,930 | $716,517 | $55,415 |
| 83541 | Lenore | Idaho | 410 | $22,575 | $55,061 |
| 83848 | Nordman | Idaho | 100 | $5,475 | $54,750 |
| 83442 | Rigby | Idaho | 7,110 | $389,066 | $54,721 |
| 83810 | Cataldo | Idaho | 480 | $25,929 | $54,019 |
| 83644 | Middleton | Idaho | 4,360 | $234,694 | $53,829 |
| 83344 | Murtaugh | Idaho | 400 | $21,457 | $53,643 |
| 83255 | Moore | Idaho | 380 | $20,329 | $53,497 |
| 83864 | Sandpoint | Idaho | 7,800 | $416,942 | $53,454 |
| 83271 | Rockland | Idaho | 190 | $10,130 | $53,316 |
| 83803 | Bayview | Idaho | 320 | $16,967 | $53,022 |
| 83323 | Declo | Idaho | 770 | $40,804 | $52,992 |
| 83210 | Aberdeen | Idaho | 1,330 | $69,918 | $52,570 |
| 83543 | Nezperce | Idaho | 310 | $16,282 | $52,523 |
| 83530 | Grangeville | Idaho | 2,340 | $122,498 | $52,350 |
| 83633 | King Hill | Idaho | 140 | $7,303 | $52,164 |
| 83843 | Moscow | Idaho | 10,550 | $543,687 | $51,534 |
| 83217 | Bancroft | Idaho | 300 | $15,455 | $51,517 |
| 83327 | Fairfield | Idaho | 370 | $18,963 | $51,251 |
| 83813 | Cocolalla | Idaho | 490 | $25,077 | $51,178 |
| 83501 | Lewiston | Idaho | 15,900 | $812,383 | $51,093 |
| 83241 | Grace | Idaho | 720 | $36,783 | $51,088 |
| 83320 | Carey | Idaho | 380 | $19,361 | $50,950 |
| 83801 | Athol | Idaho | 2,580 | $131,054 | $50,796 |
| 83452 | Tetonia | Idaho | 550 | $27,897 | $50,722 |
| 83858 | Rathdrum | Idaho | 6,150 | $309,937 | $50,396 |
| 83236 | Firth | Idaho | 880 | $44,224 | $50,255 |
| 83634 | Kuna | Idaho | 8,360 | $419,101 | $50,132 |
| 83522 | Cottonwood | Idaho | 820 | $41,087 | $50,106 |
| 83815 | Coeur D Alene | Idaho | 14,800 | $737,979 | $49,863 |
| 83274 | Shelley | Idaho | 3,760 | $187,364 | $49,831 |
| 83660 | Parma | Idaho | 2,290 | $114,083 | $49,818 |
| 83876 | Worley | Idaho | 650 | $32,347 | $49,765 |
| 83462 | Carmen | Idaho | 200 | $9,923 | $49,615 |
| 83204 | Pocatello | Idaho | 7,200 | $355,635 | $49,394 |
| 83347 | Paul | Idaho | 1,350 | $66,597 | $49,331 |
| 83641 | Melba | Idaho | 1,290 | $63,576 | $49,284 |
| 83873 | Wallace | Idaho | 630 | $30,916 | $49,073 |
| 83402 | Idaho Falls | Idaho | 10,690 | $523,508 | $48,972 |
| 83611 | Cascade | Idaho | 980 | $47,686 | $48,659 |
| 83262 | Pingree | Idaho | 560 | $27,208 | $48,586 |
| 83624 | Grand View | Idaho | 470 | $22,803 | $48,517 |
| 83607 | Caldwell | Idaho | 11,000 | $533,012 | $48,456 |
| 83214 | Arimo | Idaho | 230 | $11,139 | $48,430 |
| 83854 | Post Falls | Idaho | 16,540 | $797,073 | $48,191 |
| 83434 | Menan | Idaho | 710 | $34,171 | $48,128 |
| 83318 | Burley | Idaho | 6,990 | $335,865 | $48,049 |
| 83346 | Oakley | Idaho | 650 | $31,229 | $48,045 |
| 83237 | Franklin | Idaho | 490 | $23,536 | $48,033 |
| 83286 | Weston | Idaho | 440 | $21,103 | $47,961 |
| 83246 | Lava Hot Springs | Idaho | 450 | $21,556 | $47,902 |
| 83537 | Kendrick | Idaho | 490 | $23,468 | $47,894 |
| 83629 | Horseshoe Bend | Idaho | 710 | $33,932 | $47,792 |
| 83524 | Culdesac | Idaho | 440 | $20,982 | $47,686 |
| 83544 | Orofino | Idaho | 2,390 | $113,863 | $47,641 |
| 83422 | Driggs | Idaho | 1,740 | $82,812 | $47,593 |
| 83654 | New Meadows | Idaho | 680 | $32,265 | $47,449 |
| 83211 | American Falls | Idaho | 2,610 | $123,709 | $47,398 |
| 83401 | Idaho Falls | Idaho | 15,200 | $717,974 | $47,235 |
| 83545 | Peck | Idaho | 210 | $9,913 | $47,205 |
| 83686 | Nampa | Idaho | 18,810 | $887,285 | $47,171 |
| 83221 | Blackfoot | Idaho | 10,300 | $484,843 | $47,072 |
| 83427 | Iona | Idaho | 780 | $36,636 | $46,969 |
| 83448 | Sugar City | Idaho | 920 | $43,182 | $46,937 |
| 83645 | Midvale | Idaho | 250 | $11,728 | $46,912 |
| 83615 | Donnelly | Idaho | 610 | $28,593 | $46,874 |
| 83244 | Howe | Idaho | 120 | $5,612 | $46,767 |
| 83857 | Princeton | Idaho | 330 | $15,410 | $46,697 |
| 83350 | Rupert | Idaho | 5,080 | $236,191 | $46,494 |
| 83839 | Kingston | Idaho | 530 | $24,608 | $46,430 |
| 83523 | Craigmont | Idaho | 320 | $14,849 | $46,403 |
| 83250 | McCammon | Idaho | 650 | $30,040 | $46,215 |
| 83201 | Pocatello | Idaho | 14,870 | $685,977 | $46,132 |
| 83202 | Pocatello | Idaho | 8,200 | $377,635 | $46,053 |
| 83263 | Preston | Idaho | 3,460 | $159,270 | $46,032 |
| 83301 | Twin Falls | Idaho | 22,330 | $1,027,472 | $46,013 |
| 83328 | Filer | Idaho | 2,350 | $108,083 | $45,993 |
| 83823 | Deary | Idaho | 590 | $27,122 | $45,969 |
| 83617 | Emmett | Idaho | 6,430 | $293,933 | $45,713 |
| 83251 | Mackay | Idaho | 450 | $20,560 | $45,689 |
| 83855 | Potlatch | Idaho | 940 | $42,907 | $45,646 |
| 83861 | Saint Maries | Idaho | 2,640 | $120,368 | $45,594 |
| 83805 | Bonners Ferry | Idaho | 3,350 | $152,395 | $45,491 |
| 83676 | Wilder | Idaho | 1,620 | $73,435 | $45,330 |
| 83316 | Buhl | Idaho | 3,930 | $177,959 | $45,282 |
| 83670 | Sweet | Idaho | 200 | $9,041 | $45,205 |
| 83869 | Spirit Lake | Idaho | 1,730 | $78,091 | $45,139 |
| 83425 | Hamer | Idaho | 200 | $8,974 | $44,870 |
| 83809 | Careywood | Idaho | 200 | $8,948 | $44,740 |
| 83467 | Salmon | Idaho | 2,620 | $116,569 | $44,492 |
| 83526 | Ferdinand | Idaho | 120 | $5,335 | $44,458 |
| 83856 | Priest River | Idaho | 2,340 | $103,750 | $44,338 |
| 83650 | Murphy | Idaho | 160 | $7,061 | $44,131 |
| 83252 | Malad City | Idaho | 1,570 | $69,192 | $44,071 |
| 83687 | Nampa | Idaho | 12,070 | $531,703 | $44,052 |
| 83655 | New Plymouth | Idaho | 1,760 | $77,501 | $44,035 |
| 83850 | Pinehurst | Idaho | 970 | $42,697 | $44,018 |
| 83626 | Greenleaf | Idaho | 530 | $23,296 | $43,955 |
| 83612 | Council | Idaho | 690 | $30,251 | $43,842 |
| 83554 | White Bird | Idaho | 250 | $10,946 | $43,784 |
| 83704 | Boise | Idaho | 18,350 | $802,890 | $43,754 |
| 83335 | Hazelton | Idaho | 760 | $33,126 | $43,587 |
| 83631 | Idaho City | Idaho | 480 | $20,901 | $43,544 |
| 83213 | Arco | Idaho | 570 | $24,779 | $43,472 |
| 83647 | Mountain Home | Idaho | 8,600 | $373,625 | $43,445 |
| 83632 | Indian Valley | Idaho | 110 | $4,771 | $43,373 |
| 83325 | Eden | Idaho | 420 | $18,185 | $43,298 |
| 83431 | Lewisville | Idaho | 350 | $15,126 | $43,217 |
| 83332 | Hagerman | Idaho | 980 | $42,233 | $43,095 |
| 83330 | Gooding | Idaho | 2,630 | $113,333 | $43,092 |
| 83254 | Montpelier | Idaho | 1,480 | $63,517 | $42,917 |
| 83804 | Blanchard | Idaho | 520 | $22,306 | $42,896 |
| 83450 | Terreton | Idaho | 410 | $17,477 | $42,627 |
| 83338 | Jerome | Idaho | 7,980 | $339,254 | $42,513 |
| 83349 | Richfield | Idaho | 390 | $16,535 | $42,397 |
| 83811 | Clark Fork | Idaho | 540 | $22,617 | $41,883 |
| 83672 | Weiser | Idaho | 3,320 | $138,827 | $41,815 |
| 83342 | Malta | Idaho | 420 | $17,498 | $41,662 |
| 83440 | Rexburg | Idaho | 10,570 | $440,352 | $41,661 |
| 83435 | Monteview | Idaho | 200 | $8,330 | $41,650 |
| 83610 | Cambridge | Idaho | 390 | $16,231 | $41,618 |
| 83443 | Ririe | Idaho | 550 | $22,750 | $41,364 |
| 83445 | Saint Anthony | Idaho | 2,640 | $109,138 | $41,340 |
| 83355 | Wendell | Idaho | 2,110 | $87,047 | $41,255 |
| 83466 | North Fork | Idaho | 170 | $7,005 | $41,206 |
| 83847 | Naples | Idaho | 650 | $26,635 | $40,977 |
| 83846 | Mullan | Idaho | 300 | $12,248 | $40,827 |
| 83278 | Stanley | Idaho | 170 | $6,916 | $40,682 |
| 83845 | Moyie Springs | Idaho | 570 | $23,165 | $40,640 |
| 83336 | Heyburn | Idaho | 2,200 | $89,311 | $40,596 |
| 83627 | Hammett | Idaho | 280 | $11,359 | $40,568 |
| 83837 | Kellogg | Idaho | 1,290 | $52,117 | $40,401 |
| 83324 | Dietrich | Idaho | 230 | $9,248 | $40,209 |
| 83536 | Kamiah | Idaho | 1,490 | $59,685 | $40,057 |
| 83420 | Ashton | Idaho | 1,040 | $41,656 | $40,054 |
| 83539 | Kooskia | Idaho | 760 | $30,390 | $39,987 |
| 83604 | Bruneau | Idaho | 270 | $10,793 | $39,974 |
| 83705 | Boise | Idaho | 13,300 | $524,875 | $39,464 |
| 83639 | Marsing | Idaho | 1,250 | $49,327 | $39,462 |
| 83428 | Irwin | Idaho | 190 | $7,485 | $39,395 |
| 83444 | Roberts | Idaho | 500 | $19,652 | $39,304 |
| 83546 | Pierce | Idaho | 230 | $9,011 | $39,178 |
| 83232 | Dayton | Idaho | 200 | $7,812 | $39,060 |
| 83234 | Downey | Idaho | 430 | $16,621 | $38,653 |
| 83436 | Newdale | Idaho | 230 | $8,883 | $38,622 |
| 83661 | Payette | Idaho | 3,980 | $153,519 | $38,573 |
| 83314 | Bliss | Idaho | 320 | $12,311 | $38,472 |
| 83628 | Homedale | Idaho | 1,730 | $66,299 | $38,323 |
| 83540 | Lapwai | Idaho | 890 | $34,099 | $38,313 |
| 83352 | Shoshone | Idaho | 1,370 | $52,471 | $38,300 |
| 83870 | Tensed | Idaho | 120 | $4,580 | $38,167 |
| 83228 | Clifton | Idaho | 190 | $7,228 | $38,042 |
| 83623 | Glenns Ferry | Idaho | 610 | $22,913 | $37,562 |
| 83822 | Oldtown | Idaho | 600 | $22,535 | $37,558 |
| 83552 | Stites | Idaho | 390 | $14,629 | $37,510 |
| 83553 | Weippe | Idaho | 380 | $14,168 | $37,284 |
| 83334 | Hansen | Idaho | 830 | $30,894 | $37,222 |
| 83852 | Ponderay | Idaho | 770 | $28,494 | $37,005 |
| 83555 | Winchester | Idaho | 190 | $6,994 | $36,811 |
| 83321 | Castleford | Idaho | 240 | $8,722 | $36,342 |
| 83451 | Teton | Idaho | 350 | $12,696 | $36,274 |
| 83525 | Elk City | Idaho | 140 | $5,021 | $35,864 |
| 83549 | Riggins | Idaho | 360 | $12,715 | $35,319 |
| 83651 | Nampa | Idaho | 11,820 | $417,406 | $35,314 |
| 83605 | Caldwell | Idaho | 12,740 | $439,793 | $34,521 |
| 83423 | Dubois | Idaho | 300 | $10,347 | $34,490 |
| 83851 | Plummer | Idaho | 700 | $24,131 | $34,473 |
| 83464 | Leadore | Idaho | 120 | $4,131 | $34,425 |
| 83830 | Fernwood | Idaho | 260 | $8,734 | $33,592 |
| 83824 | Desmet | Idaho | 110 | $3,637 | $33,064 |
| 83648 | Mountain Home A F B | Idaho | 1,070 | $34,279 | $32,036 |
| 83868 | Smelterville | Idaho | 370 | $11,117 | $30,046 |