| Zip code | City | State | Number of returns | Total income ($1000) | Avg income/return |
| 59106 | Billings | Montana | 6,920 | $818,043 | $118,214 |
| 59212 | Bainville | Montana | 240 | $23,772 | $99,050 |
| 59243 | Lambert | Montana | 210 | $20,491 | $97,576 |
| 59275 | Westby | Montana | 170 | $14,227 | $83,688 |
| 59270 | Sidney | Montana | 4,620 | $380,592 | $82,379 |
| 59313 | Baker | Montana | 1,330 | $108,632 | $81,678 |
| 59634 | Clancy | Montana | 2,360 | $186,248 | $78,919 |
| 59219 | Dagmar | Montana | 100 | $7,617 | $76,170 |
| 59221 | Fairview | Montana | 840 | $63,316 | $75,376 |
| 59937 | Whitefish | Montana | 6,680 | $498,168 | $74,576 |
| 59223 | Fort Peck | Montana | 210 | $15,035 | $71,595 |
| 59057 | Molt | Montana | 300 | $21,378 | $71,260 |
| 59715 | Bozeman | Montana | 14,710 | $1,036,618 | $70,470 |
| 59218 | Culbertson | Montana | 670 | $46,857 | $69,936 |
| 59344 | Plevna | Montana | 150 | $10,459 | $69,727 |
| 59226 | Froid | Montana | 200 | $13,695 | $68,475 |
| 59803 | Missoula | Montana | 7,640 | $515,664 | $67,495 |
| 59804 | Missoula | Montana | 3,640 | $237,871 | $65,349 |
| 59730 | Gallatin Gateway | Montana | 870 | $56,782 | $65,267 |
| 59068 | Red Lodge | Montana | 1,890 | $122,395 | $64,759 |
| 59336 | Ismay | Montana | 110 | $7,053 | $64,118 |
| 59019 | Columbus | Montana | 1,870 | $119,522 | $63,916 |
| 59720 | Cameron | Montana | 120 | $7,565 | $63,042 |
| 59911 | Bigfork | Montana | 3,740 | $235,404 | $62,942 |
| 59037 | Huntley | Montana | 880 | $54,464 | $61,891 |
| 59762 | Wise River | Montana | 110 | $6,784 | $61,673 |
| 59213 | Brockton | Montana | 230 | $14,184 | $61,670 |
| 59922 | Lakeside | Montana | 1,130 | $69,611 | $61,603 |
| 59254 | Plentywood | Montana | 1,190 | $72,510 | $60,933 |
| 59846 | Huson | Montana | 570 | $34,443 | $60,426 |
| 59061 | Nye | Montana | 110 | $6,637 | $60,336 |
| 59718 | Bozeman | Montana | 15,020 | $895,427 | $59,616 |
| 59262 | Savage | Montana | 330 | $19,643 | $59,524 |
| 59741 | Manhattan | Montana | 2,150 | $127,578 | $59,339 |
| 59001 | Absarokee | Montana | 750 | $44,407 | $59,209 |
| 59404 | Great Falls | Montana | 12,610 | $746,173 | $59,173 |
| 59854 | Ovando | Montana | 110 | $6,508 | $59,164 |
| 59833 | Florence | Montana | 2,470 | $146,041 | $59,126 |
| 59330 | Glendive | Montana | 4,070 | $240,366 | $59,058 |
| 59041 | Joliet | Montana | 880 | $51,945 | $59,028 |
| 59452 | Hobson | Montana | 230 | $13,572 | $59,009 |
| 59063 | Park City | Montana | 940 | $55,400 | $58,936 |
| 59028 | Fishtail | Montana | 160 | $9,419 | $58,869 |
| 59102 | Billings | Montana | 23,750 | $1,394,962 | $58,735 |
| 59079 | Shepherd | Montana | 1,530 | $89,561 | $58,537 |
| 59808 | Missoula | Montana | 9,310 | $544,482 | $58,484 |
| 59729 | Ennis | Montana | 1,180 | $68,461 | $58,018 |
| 59105 | Billings | Montana | 14,720 | $852,968 | $57,946 |
| 59834 | Frenchtown | Montana | 1,220 | $70,403 | $57,707 |
| 59259 | Richey | Montana | 200 | $11,531 | $57,655 |
| 59263 | Scobey | Montana | 710 | $40,922 | $57,637 |
| 59070 | Roberts | Montana | 500 | $28,751 | $57,502 |
| 59602 | Helena | Montana | 11,530 | $662,430 | $57,453 |
| 59931 | Rollins | Montana | 130 | $7,427 | $57,131 |
| 59601 | Helena | Montana | 14,080 | $803,197 | $57,045 |
| 59011 | Big Timber | Montana | 1,450 | $81,674 | $56,327 |
| 59301 | Miles City | Montana | 5,510 | $308,652 | $56,017 |
| 59847 | Lolo | Montana | 2,680 | $149,044 | $55,613 |
| 59044 | Laurel | Montana | 5,590 | $310,692 | $55,580 |
| 59868 | Seeley Lake | Montana | 950 | $52,780 | $55,558 |
| 59430 | Denton | Montana | 220 | $12,190 | $55,409 |
| 59910 | Big Arm | Montana | 180 | $9,881 | $54,894 |
| 59436 | Fairfield | Montana | 860 | $47,128 | $54,800 |
| 59468 | Power | Montana | 270 | $14,793 | $54,789 |
| 59754 | Twin Bridges | Montana | 460 | $25,116 | $54,600 |
| 59750 | Butte | Montana | 170 | $9,258 | $54,459 |
| 59875 | Victor | Montana | 1,550 | $84,401 | $54,452 |
| 59761 | Wisdom | Montana | 110 | $5,959 | $54,173 |
| 59088 | Worden | Montana | 570 | $30,651 | $53,774 |
| 59443 | Fort Shaw | Montana | 300 | $16,088 | $53,627 |
| 59932 | Somers | Montana | 690 | $36,895 | $53,471 |
| 59353 | Wibaux | Montana | 520 | $27,792 | $53,446 |
| 59837 | Hall | Montana | 130 | $6,932 | $53,323 |
| 59326 | Fallon | Montana | 110 | $5,861 | $53,282 |
| 59230 | Glasgow | Montana | 2,350 | $125,030 | $53,204 |
| 59053 | Martinsdale | Montana | 90 | $4,760 | $52,889 |
| 59222 | Flaxville | Montana | 110 | $5,804 | $52,764 |
| 59327 | Forsyth | Montana | 1,300 | $68,455 | $52,658 |
| 59416 | Brady | Montana | 190 | $9,981 | $52,532 |
| 59832 | Drummond | Montana | 320 | $16,661 | $52,066 |
| 59474 | Shelby | Montana | 1,480 | $76,951 | $51,994 |
| 59826 | Condon | Montana | 240 | $12,441 | $51,838 |
| 59072 | Roundup | Montana | 1,690 | $87,556 | $51,808 |
| 59828 | Corvallis | Montana | 2,460 | $127,405 | $51,791 |
| 59523 | Chinook | Montana | 1,000 | $51,372 | $51,372 |
| 59714 | Belgrade | Montana | 8,940 | $456,329 | $51,044 |
| 59901 | Kalispell | Montana | 21,900 | $1,110,720 | $50,718 |
| 59065 | Pray | Montana | 120 | $6,081 | $50,675 |
| 59644 | Townsend | Montana | 1,800 | $91,063 | $50,591 |
| 59349 | Terry | Montana | 400 | $20,227 | $50,568 |
| 59752 | Three Forks | Montana | 1,680 | $84,717 | $50,427 |
| 59451 | Hilger | Montana | 140 | $7,057 | $50,407 |
| 59870 | Stevensville | Montana | 4,380 | $220,468 | $50,335 |
| 59450 | Highwood | Montana | 180 | $9,056 | $50,311 |
| 59840 | Hamilton | Montana | 6,410 | $322,158 | $50,259 |
| 59721 | Cardwell | Montana | 160 | $8,040 | $50,250 |
| 59247 | Medicine Lake | Montana | 190 | $9,545 | $50,237 |
| 59317 | Broadus | Montana | 570 | $28,593 | $50,163 |
| 59064 | Pompeys Pillar | Montana | 100 | $5,012 | $50,120 |
| 59421 | Cascade | Montana | 850 | $42,520 | $50,024 |
| 59038 | Hysham | Montana | 290 | $14,485 | $49,948 |
| 59047 | Livingston | Montana | 6,070 | $302,950 | $49,909 |
| 59337 | Jordan | Montana | 360 | $17,926 | $49,794 |
| 59520 | Big Sandy | Montana | 520 | $25,789 | $49,594 |
| 59858 | Philipsburg | Montana | 680 | $33,670 | $49,515 |
| 59701 | Butte | Montana | 15,040 | $742,593 | $49,375 |
| 59528 | Hingham | Montana | 120 | $5,905 | $49,208 |
| 59248 | Nashua | Montana | 320 | $15,741 | $49,191 |
| 59920 | Kila | Montana | 730 | $35,853 | $49,114 |
| 59823 | Bonner | Montana | 770 | $37,575 | $48,799 |
| 59442 | Fort Benton | Montana | 880 | $42,882 | $48,730 |
| 59457 | Lewistown | Montana | 4,380 | $212,847 | $48,595 |
| 59825 | Clinton | Montana | 1,020 | $49,478 | $48,508 |
| 59802 | Missoula | Montana | 8,900 | $430,818 | $48,407 |
| 59034 | Hardin | Montana | 1,900 | $91,324 | $48,065 |
| 59446 | Geraldine | Montana | 250 | $11,990 | $47,960 |
| 59725 | Dillon | Montana | 3,650 | $174,775 | $47,884 |
| 59860 | Polson | Montana | 4,730 | $225,658 | $47,708 |
| 59914 | Dayton | Montana | 150 | $7,144 | $47,627 |
| 59648 | Wolf Creek | Montana | 280 | $13,329 | $47,604 |
| 59829 | Darby | Montana | 1,030 | $48,933 | $47,508 |
| 59501 | Havre | Montana | 6,190 | $293,862 | $47,474 |
| 59029 | Fromberg | Montana | 290 | $13,718 | $47,303 |
| 59749 | Sheridan | Montana | 770 | $36,398 | $47,270 |
| 59759 | Whitehall | Montana | 1,560 | $73,544 | $47,144 |
| 59046 | Lavina | Montana | 230 | $10,843 | $47,143 |
| 59014 | Bridger | Montana | 650 | $30,616 | $47,102 |
| 59635 | East Helena | Montana | 3,750 | $176,163 | $46,977 |
| 59261 | Saco | Montana | 210 | $9,852 | $46,914 |
| 59917 | Eureka | Montana | 1,760 | $82,524 | $46,889 |
| 59471 | Roy | Montana | 110 | $5,149 | $46,809 |
| 59433 | Dutton | Montana | 280 | $13,101 | $46,789 |
| 59069 | Reed Point | Montana | 240 | $11,228 | $46,783 |
| 59540 | Rudyard | Montana | 190 | $8,884 | $46,758 |
| 59086 | Wilsall | Montana | 370 | $17,259 | $46,646 |
| 59731 | Garrison | Montana | 110 | $5,129 | $46,627 |
| 59479 | Stanford | Montana | 340 | $15,754 | $46,335 |
| 59531 | Joplin | Montana | 120 | $5,554 | $46,283 |
| 59912 | Columbia Falls | Montana | 6,440 | $297,923 | $46,261 |
| 59422 | Choteau | Montana | 1,330 | $60,746 | $45,674 |
| 59024 | Custer | Montana | 170 | $7,762 | $45,659 |
| 59525 | Gildford | Montana | 170 | $7,760 | $45,647 |
| 59925 | Marion | Montana | 540 | $24,499 | $45,369 |
| 59538 | Malta | Montana | 1,410 | $63,799 | $45,248 |
| 59711 | Anaconda | Montana | 4,140 | $186,488 | $45,045 |
| 59487 | Vaughn | Montana | 550 | $24,745 | $44,991 |
| 59215 | Circle | Montana | 590 | $26,523 | $44,954 |
| 59324 | Ekalaka | Montana | 380 | $17,068 | $44,916 |
| 59030 | Gardiner | Montana | 670 | $30,083 | $44,900 |
| 59873 | Thompson Falls | Montana | 1,310 | $58,775 | $44,866 |
| 59859 | Plains | Montana | 1,370 | $61,460 | $44,861 |
| 59241 | Hinsdale | Montana | 170 | $7,617 | $44,806 |
| 59820 | Alberton | Montana | 610 | $27,320 | $44,787 |
| 59008 | Belfry | Montana | 150 | $6,711 | $44,740 |
| 59935 | Troy | Montana | 1,410 | $63,075 | $44,734 |
| 59632 | Boulder | Montana | 870 | $38,798 | $44,595 |
| 59930 | Rexford | Montana | 280 | $12,478 | $44,564 |
| 59101 | Billings | Montana | 18,090 | $805,988 | $44,554 |
| 59075 | Saint Xavier | Montana | 110 | $4,884 | $44,400 |
| 59923 | Libby | Montana | 3,850 | $170,054 | $44,170 |
| 59482 | Sunburst | Montana | 350 | $15,450 | $44,143 |
| 59874 | Trout Creek | Montana | 620 | $27,223 | $43,908 |
| 59412 | Belt | Montana | 830 | $36,404 | $43,860 |
| 59464 | Moore | Montana | 250 | $10,946 | $43,784 |
| 59006 | Ballantine | Montana | 390 | $17,050 | $43,718 |
| 59460 | Loma | Montana | 120 | $5,240 | $43,667 |
| 59405 | Great Falls | Montana | 14,790 | $643,200 | $43,489 |
| 59645 | White Sulphur Springs | Montana | 640 | $27,825 | $43,477 |
| 59758 | West Yellowstone | Montana | 1,130 | $49,080 | $43,434 |
| 59447 | Geyser | Montana | 110 | $4,772 | $43,382 |
| 59639 | Lincoln | Montana | 550 | $23,653 | $43,005 |
| 59201 | Wolf Point | Montana | 1,990 | $85,275 | $42,852 |
| 59032 | Grass Range | Montana | 200 | $8,538 | $42,690 |
| 59425 | Conrad | Montana | 1,770 | $75,276 | $42,529 |
| 59872 | Superior | Montana | 990 | $41,984 | $42,408 |
| 59003 | Ashland | Montana | 430 | $18,149 | $42,207 |
| 59824 | Charlo | Montana | 630 | $26,585 | $42,198 |
| 59480 | Stockett | Montana | 170 | $7,165 | $42,147 |
| 59489 | Winifred | Montana | 180 | $7,584 | $42,133 |
| 59027 | Emigrant | Montana | 500 | $20,940 | $41,880 |
| 59821 | Arlee | Montana | 970 | $40,354 | $41,602 |
| 59542 | Turner | Montana | 120 | $4,979 | $41,492 |
| 59427 | Cut Bank | Montana | 2,250 | $92,952 | $41,312 |
| 59853 | Noxon | Montana | 310 | $12,790 | $41,258 |
| 59866 | Saint Regis | Montana | 390 | $16,052 | $41,159 |
| 59522 | Chester | Montana | 760 | $30,823 | $40,557 |
| 59643 | Toston | Montana | 180 | $7,247 | $40,261 |
| 59722 | Deer Lodge | Montana | 2,030 | $80,798 | $39,802 |
| 59865 | Saint Ignatius | Montana | 1,250 | $49,359 | $39,487 |
| 59225 | Frazer | Montana | 190 | $7,489 | $39,416 |
| 59801 | Missoula | Montana | 14,050 | $552,604 | $39,331 |
| 59087 | Winnett | Montana | 180 | $7,042 | $39,122 |
| 59472 | Sand Coulee | Montana | 380 | $14,839 | $39,050 |
| 59484 | Sweet Grass | Montana | 130 | $5,062 | $38,938 |
| 59420 | Carter | Montana | 150 | $5,812 | $38,747 |
| 59401 | Great Falls | Montana | 6,230 | $240,528 | $38,608 |
| 59926 | Martin City | Montana | 180 | $6,944 | $38,578 |
| 59453 | Judith Gap | Montana | 140 | $5,382 | $38,443 |
| 59483 | Sun River | Montana | 290 | $11,147 | $38,438 |
| 59347 | Rosebud | Montana | 140 | $5,354 | $38,243 |
| 59739 | Lima | Montana | 130 | $4,963 | $38,177 |
| 59864 | Ronan | Montana | 2,480 | $94,222 | $37,993 |
| 59031 | Garryowen | Montana | 140 | $5,188 | $37,057 |
| 59016 | Busby | Montana | 280 | $10,179 | $36,354 |
| 59015 | Broadview | Montana | 280 | $10,084 | $36,014 |
| 59074 | Ryegate | Montana | 250 | $8,947 | $35,788 |
| 59521 | Box Elder | Montana | 950 | $32,729 | $34,452 |
| 59414 | Black Eagle | Montana | 570 | $19,555 | $34,307 |
| 59486 | Valier | Montana | 750 | $25,728 | $34,304 |
| 59255 | Poplar | Montana | 1,230 | $42,109 | $34,235 |
| 59844 | Heron | Montana | 250 | $8,474 | $33,896 |
| 59526 | Harlem | Montana | 940 | $31,699 | $33,722 |
| 59831 | Dixon | Montana | 130 | $4,257 | $32,746 |
| 59845 | Hot Springs | Montana | 400 | $12,848 | $32,120 |
| 59022 | Crow Agency | Montana | 1,050 | $33,126 | $31,549 |
| 59827 | Conner | Montana | 170 | $5,338 | $31,400 |
| 59050 | Lodge Grass | Montana | 650 | $20,192 | $31,065 |
| 59915 | Elmo | Montana | 130 | $3,980 | $30,615 |
| 59417 | Browning | Montana | 2,580 | $77,680 | $30,109 |
| 59524 | Dodson | Montana | 200 | $5,967 | $29,835 |
| 59444 | Galata | Montana | 160 | $4,518 | $28,238 |
| 59089 | Wyola | Montana | 140 | $3,816 | $27,257 |
| 59456 | Ledger | Montana | 140 | $3,774 | $26,957 | $2,050 | $49,320 | $24,059 |
| 64128 | Kansas City | Missouri | 4,290 | $101,970 | $23,769 |
| 63113 | Saint Louis | Missouri | 5,060 | $118,915 | $23,501 |
| 63115 | Saint Louis | Missouri | 8,260 | $193,575 | $23,435 |
| 63107 | Saint Louis | Missouri | 4,140 | $93,520 | $22,589 |
| 63133 | Saint Louis | Missouri | 3,240 | $70,527 | $21,768 |
| 63120 | Saint Louis | Missouri | 3,600 | $75,498 | $20,972 |
| 63106 | Saint Louis | Missouri | 3,820 | $78,538 | $20,560 |
| 63140 | Saint Louis | Missouri | 100 | $1,520 | $15,200 |
| 64147 | Kansas City | Missouri | 200 | $2,484 | $12,420 |