Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/MT/HIGHEST-AVERAGE-INCOME

ZIP Codes With the Highest Average Income in Montana

What this measures. Total adjusted gross income divided by the number of tax returns filed. This is income per RETURN, not per person or per household — a return can be a single filer or a married couple. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Average AGI per return
1 59730 Gallatin Gateway Gallatin $193,251
2 59937 Whitefish Flathead $162,838
3 59720 Cameron Madison $157,500
4 59106 Billings Yellowstone $142,452
5 59715 Bozeman Gallatin $137,770
6 59910 Big Arm Lake $134,629
7 59634 Clancy Jefferson $129,182
8 59911 Bigfork Lake $121,885
9 59922 Lakeside Flathead $112,859
10 59803 Missoula Missoula $111,764
11 59804 Missoula Missoula $107,268
12 59729 Ennis Madison $107,126
13 59741 Manhattan Gallatin $105,783
14 59718 Bozeman Gallatin $105,036
15 59808 Missoula Missoula $99,125
16 59846 Huson Missoula $96,410
17 59932 Somers Flathead $96,228
18 59069 Reed Point Stillwater $94,941
19 59826 Condon Missoula $94,790
20 59868 Seeley Lake Missoula $92,539
21 59057 Molt Stillwater $92,206
22 59070 Roberts Carbon $91,642
23 59019 Columbus Stillwater $91,529
24 59068 Red Lodge Carbon $91,315
25 59063 Park City Stillwater $89,395
26 59833 Florence Ravalli $89,105
27 59834 Frenchtown Missoula $88,803
28 59828 Corvallis Ravalli $87,782
29 59714 Belgrade Gallatin $87,710
30 59262 Savage Richland $86,180
31 59752 Three Forks Gallatin $85,979
32 59047 Livingston Park $85,648
33 59758 West Yellowstone Gallatin $85,641
34 59223 Fort Peck McCone $85,477
35 59443 Fort Shaw Cascade $85,297
36 59270 Sidney Richland $84,969
37 59001 Absarokee Stillwater $84,947
38 59829 Darby Ravalli $84,920
39 59840 Hamilton Ravalli $84,816
40 59754 Twin Bridges Madison $84,504
41 59847 Lolo Missoula $84,128
42 59037 Huntley Yellowstone $83,529
43 59221 Fairview Richland $83,297
44 59212 Bainville Roosevelt $83,274
45 59404 Great Falls Cascade $83,240
46 59041 Joliet Carbon $82,875
47 59601 Helena Lewis and Clark $81,868
48 59870 Stevensville Ravalli $81,713
49 59602 Helena Lewis and Clark $81,303
50 59079 Shepherd Yellowstone $80,940

Showing the top 50 of 171 ZIP codes in Montana that have this figure and meet the threshold above. 59730 ranks 1st at $193,251, against $80,940 in 50th place.

Other rankings for Montana

Cite this page

zipcodes.pro. “ZIP Codes With the Highest Average Income in Montana.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/mt/highest-average-income

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