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Updated April 2026

Flood Risk in Montana

Montana has 57 counties with flood risk data, 17 total NFIP flood insurance claims, and an average risk score of 10 out of 100.

57
Counties
17
NFIP Claims
$472,357
Total Payouts
10
Avg Risk Score

Grade Distribution

A
57
counties
B
0
counties
C
0
counties
D
0
counties
F
0
counties

Riskiest in Montana

Safest in Montana

CountyGradeScore
BeaverheadA8
CarterA8
FallonA8
MadisonA8
WibauxA8

All 57 Counties in Montana

Sorted by flood risk score, highest to lowest.

#CountyGradeScoreClaimsPayoutsDisasters
1StillwaterA111$34,7666
2TreasureA110$06
3Fort Peck Indian ReservationA110$06
4ParkA114$82,0256
5ValleyA111$07
6CarbonA102$304,0325
7DanielsA100$05
8FergusA100$05
9GarfieldA100$04
10Golden ValleyA100$04
11MusselshellA100$05
12PetroleumA100$05
13PhillipsA100$04
14BlaineA101$5,2925
15HillA102$1235
16FlatheadA100$04
17BroadwaterA100$04
18DawsonA100$04
19JeffersonA100$04
20PonderaA100$05
21RosebudA100$05
22SandersA100$05
23McConeA100$04
24Lewis and ClarkA103$19,5364
25MissoulaA100$04
26PowellA100$05
27TooleA100$04
28GlacierA100$04
29LincolnA100$04
30RooseveltA90$02
31SheridanA90$02
32Sweet GrassA90$02
33YellowstoneA91$10,3473
34LakeA90$03
35PrairieA90$02
36RavalliA90$02
37RichlandA91$11,8122
38WheatlandA90$03
39ChouteauA90$03
40CusterA91$4,4243
41LibertyA90$03
42Big HornA90$02
43CascadeA90$03
44Deer LodgeA90$03
45GallatinA90$02
46GraniteA90$03
47Judith BasinA90$02
48MeagherA90$03
49MineralA90$02
50Powder RiverA90$03
51Silver BowA90$02
52TetonA90$03
53BeaverheadA80$01
54CarterA80$01
55FallonA80$01
56MadisonA80$01
57WibauxA80$01