2026 Rankings

ZIP Codes with Highest Flood Risk in Montana — 2026

Last updated: August 31, 2026

166 ZIP codes ranked by Historical NFIP Claims #1: ZIP 59230 (Glasgow, MT) - 211 claims

Out of 166 ZIP codes with data in Montana, these are the highest-ranked areas for historical nfip claims. See also: National ZIP Codes with the Most Historical NFIP Claims | All Montana Rankings

Statistic Value
ZIP codes ranked 166
Highest value 211 claims
Median value 4 claims
State Montana

Top 100 Worst ZIP Codes

Rank ZIP Code City State Historical NFIP Claims Safety Score
1 59230 Glasgow MT 211 claims
2 59301 Miles City MT 155 claims 65/100
3 59404 Great Falls MT 135 claims
4 59047 Livingston MT 121 claims
5 59101 Billings MT 101 claims 72/100
6 59602 Helena MT 76 claims 50/100
7 59804 Missoula MT 65 claims
8 59072 Roundup MT 60 claims
9 59044 Laurel MT 53 claims 82/100
10 59911 Bigfork MT 53 claims 67/100
11 59901 Kalispell MT 48 claims 35/100
12 59715 Bozeman MT 35 claims 66/100
13 59102 Billings MT 34 claims 83/100
14 59248 Nashua MT 34 claims
15 59923 Libby MT 33 claims 57/100
16 59405 Great Falls MT 31 claims
17 59526 Harlem MT 29 claims
18 59105 Billings MT 26 claims 80/100
19 59068 Red Lodge MT 25 claims
20 59912 Columbia Falls MT 22 claims 59/100
21 59483 Sun River MT 21 claims
22 59847 Lolo MT 21 claims
23 59868 Seeley Lake MT 21 claims
24 59001 Absarokee MT 20 claims
25 59401 Great Falls MT 20 claims
26 59412 Belt MT 20 claims
27 59457 Lewistown MT 19 claims 66/100
28 59538 Malta MT 19 claims
29 59037 Huntley MT 18 claims
30 59722 Deer Lodge MT 18 claims
31 59523 Chinook MT 17 claims
32 59036 Harlowton MT 16 claims
33 59501 Havre MT 16 claims 65/100
34 59808 Missoula MT 16 claims 60/100
35 59088 Worden MT 15 claims
36 59802 Missoula MT 15 claims 66/100
37 59069 Reed Point MT 14 claims
38 59601 Helena MT 14 claims 51/100
39 59803 Missoula MT 14 claims 66/100
40 59718 Bozeman MT 13 claims 66/100
41 59937 Whitefish MT 13 claims 50/100
42 59041 Joliet MT 12 claims
43 59106 Billings MT 12 claims 73/100
44 59019 Columbus MT 11 claims
45 59050 Lodge Grass MT 10 claims
46 59711 Anaconda MT 10 claims
47 59833 Florence MT 10 claims
48 59011 Big Timber MT 9 claims
49 59327 Forsyth MT 9 claims
50 59524 Dodson MT 9 claims
51 59701 Butte MT 9 claims 66/100
52 59859 Plains MT 8 claims
53 59870 Stevensville MT 8 claims
54 59064 Pompeys Pillar MT 7 claims
55 59270 Sidney MT 7 claims 67/100
56 59330 Glendive MT 7 claims 66/100
57 59714 Belgrade MT 7 claims 63/100
58 59725 Dillon MT 7 claims 67/100
59 59801 Missoula MT 7 claims 65/100
60 59936 West Glacier MT 7 claims
61 59063 Park City MT 6 claims
62 59086 Wilsall MT 6 claims
63 59241 Hinsdale MT 6 claims
64 59261 Saco MT 6 claims
65 59317 Broadus MT 6 claims
66 59443 Fort Shaw MT 6 claims
67 59487 Vaughn MT 6 claims
68 59741 Manhattan MT 6 claims
69 59752 Three Forks MT 6 claims
70 59771 Bozeman MT 6 claims
71 59829 Darby MT 6 claims
72 59027 Emigrant MT 5 claims
73 59029 Fromberg MT 5 claims
74 59061 Nye MT 5 claims
75 59070 Roberts MT 5 claims
76 59337 Jordan MT 5 claims
77 59410 Augusta MT 5 claims
78 59417 Browning MT 5 claims
79 59422 Choteau MT 5 claims
80 59430 Denton MT 5 claims
81 59635 East Helena MT 5 claims
82 59875 Victor MT 5 claims
83 59014 Bridger MT 4 claims
84 59028 Fishtail MT 4 claims
85 59034 Hardin MT 4 claims
86 59080 Carbon County MT 4 claims
87 59522 Chester MT 4 claims
88 59645 White Sulphur Springs MT 4 claims
89 59724 Dell MT 4 claims
90 59754 Twin Bridges MT 4 claims
91 59827 Conner MT 4 claims
92 59832 Drummond MT 4 claims
93 59866 Saint Regis MT 4 claims
94 59018 Clyde Park MT 3 claims
95 59201 Wolf Point MT 3 claims
96 59255 Poplar MT 3 claims
97 59353 Wibaux MT 3 claims
98 59421 Cascade MT 3 claims
99 59547 Zurich MT 3 claims
100 59759 Whitehall MT 3 claims

Methodology

This ranking uses historical FEMA National Flood Insurance Program claim records. The entity is not a complete inventory of properties, flood events, uninsured losses, or current FEMA map designations. ZIPs without claim evidence are unknown and are not ranked as zero or low risk.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-08-31.

Frequently Asked Questions

What does this ranking show?

It shows historical NFIP claim counts for ZIP records where FEMA claim evidence is available. It does not determine the current flood zone or risk of a specific property.

Where does the claim data come from?

The records come from FEMA National Flood Insurance Program claims. They do not include a complete inventory of uninsured losses or current property-map designations.

Explore More Rankings

How this ranking is calculated, data sources, and limitations: Rankings Methodology →


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Disclaimer: Rankings are based on EPA, FEMA, and federal agency data. They reflect historical patterns and risk indicators, not necessarily current conditions. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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