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Welcome to the Extreme Weather Sourcebook
Economic & Other Societal Impacts Related to Hurricanes, Floods, Tornadoes, Lightning, & Other Weather Phenomena

Floods 1955 - 2009 (Sources)

Although flooding is common in the United States, the impacts of flooding are by no means consistent. Many years of small floods with little impact may be followed by a single large flood with a sizable loss. With this in mind, we are presenting flood loss data as the total value of all damages caused by flooding in each state for the years 1955-2009. The "Total Damages" column presents flood loss totals adjusted for inflation to $2009 U.S. Also, since placing greater assets in the way of a flood will cause greater losses, we have adjusted flood loss totals for yearly changes in wealth. Therefore, the "Total Wealth Adjusted Damages" column presents flood loss totals adjusted for inflation and wealth to $2009 U.S. Links to more information on adjustment methods, appropriate interpretation, and original data sources can be found on the Data & Methodology page. It should also be noted that there is no flood loss data for the years 1980-1982. Reliable data for these years do not exist due to a lack of funding for collecting flood loss data during this time period.

By Rank
*Rank assigned by "Total Damages"
$53807.066 $62030.626
$22265.739 $323296.389
$16695.681 $33758.691
$16533.785 $19156.065
$15283.366 $27422.876
$14072.568 $19857.028
$8383.865 $14234.605
$7039.355 $11531.415
$6637.937 $11915.567
$6461.84 $9191.74
$6224.179 $10316.499
$5346.244 $8789.514
$5053.912 $6715.112
$5015.598 $8636.628
$4723.195 $8206.175
$4596.11 $8101.33
$4061.834 $6951.694
$3839.376 $8913.846
$3789.021 $6447.691
$3731.769 $5028.179
$3402.106 $4986.606
$3361.489 $5482.039
$3308.177 $6545.697
$3060.825 $5412.475
$2843.998 $4818.998
$2779.74 $8009.3
$2765.118 $4882.998
$2701.146 $4606.376
$2653.044 $5119.474
$2260.805 $3425.145
$1917.586 $3535.336
$1912.302 $3026.332
$1838.79 $3073.44
$1609.867 $4138.627
$1491.878 $2047.408
$1427.208 $2790.568
$1358.86 $2038.31
$1071.665 $1955.415
$1056.111 $1542.371
$867.809 $1747.909
$587.153 $1327.183
$479.939 $841.709
$399.481 $584.291
$391.307 $561.387
$335.942 $570.292
$324.537 $510.507
$267.507 $729.987
$231.108 $401.568
$152.347 $263.577
$71.26 $87.3
Alphabetical
*Rank assigned by "Total Damages"
State Rank* Total Damages (millions 2009 US$) Total Wealth Adjusted Damages (millions 2009 US$)
U.S. Flood Damage
$260,491.55
$695,564.30
Alabama
21
$3402.106 $4986.606
Alaska
40
$867.809 $1747.909
Arizona
33
$1838.79 $3073.44
Arkansas
27
$2765.118 $4882.998
California
5
$15283.366 $27422.876
Colorado
18
$3839.376 $8913.846
Connecticut
26
$2779.74 $8009.3
Delaware
50
$71.26 $87.3
Florida
4
$16533.785 $19156.065
Georgia
35
$1491.878 $2047.408
Hawaii
44
$391.307 $561.387
Idaho
29
$2653.044 $5119.474
Illinois
8
$7039.355 $11531.415
Indiana
17
$4061.834 $6951.694
Iowa
6
$14072.568 $19857.028
Kansas
25
$2843.998 $4818.998
Kentucky
23
$3308.177 $6545.697
Louisiana
1
$53807.066 $62030.626
Maine
43
$399.481 $584.291
Maryland/D.C.
36
$1427.208 $2790.568
Massachusetts
34
$1609.867 $4138.627
Michigan
37
$1358.86 $2038.31
Minnesota
12
$5346.244 $8789.514
Mississippi
14
$5015.598 $8636.628
Missouri
7
$8383.865 $14234.605
Montana
41
$587.153 $1327.183
Nebraska
31
$1917.586 $3535.336
Nevada
39
$1056.111 $1542.371
New Hampshire
48
$231.108 $401.568
New Jersey
16
$4596.11 $8101.33
New Mexico
45
$335.942 $570.292
New York
9
$6637.937 $11915.567
North Carolina
13
$5053.912 $6715.112
North Dakota
10
$6461.84 $9191.74
Ohio
19
$3789.021 $6447.691
Oklahoma
24
$3060.825 $5412.475
Oregon
11
$6224.179 $10316.499
Pennsylvania
3
$16695.681 $33758.691
Rhode Island
47
$267.507 $729.987
South Carolina
46
$324.537 $510.507
South Dakota
28
$2701.146 $4606.376
Tennessee
38
$1071.665 $1955.415
Texas
2
$22265.739 $323296.389
Utah
30
$2260.805 $3425.145
Vermont
42
$479.939 $841.709
Virginia
15
$4723.195 $8206.175
Washington
32
$1912.302 $3026.332
West Virginia
22
$3361.489 $5482.039
Wisconsin
20
$3731.769 $5028.179
Wyoming
49
$152.347 $263.577
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