HomeRiskIQ rankings
Highest Flood Risk Cities in America
Cities ranked by mapped flood and heavy-rain exposure signals from the HomeRiskIQ hazard grid.
Ranking basis
Flood score
Ranked entries
7,431
Updated
Aug 9, 4:52 AM
Media summary
Pascagoula, MS ranks #1.
The leading score is 100/100 on the current flood score.
Ranked results
Top 50
#1
Pascagoula, MS
National index rank #4 · state rank #1 · top driver Flood
#2
Brunswick, GA
National index rank #37 · state rank #1 · top driver Flood
#3
Lantana, FL
National index rank #40 · state rank #24 · top driver Flood
#4
Mulvane, KS
National index rank #70 · state rank #1 · top driver Flood
#5
Fernandina Beach, FL
National index rank #133 · state rank #54 · top driver Flood
#6
Kansas City, MO
National index rank #229 · state rank #4 · top driver Flood
#7
North Kansas City, MO
National index rank #306 · state rank #5 · top driver Flood
#8
Gulf Park Estates, MS
National index rank #385 · state rank #32 · top driver Flood
#9
Gladstone, MO
National index rank #417 · state rank #6 · top driver Flood
#10
Celina, OH
National index rank #433 · state rank #1 · top driver Flood
#11
Skidaway Island, GA
National index rank #438 · state rank #12 · top driver Flood
#12
Beaufort, NC
National index rank #460 · state rank #8 · top driver Flood
#13
West Des Moines, IA
National index rank #472 · state rank #3 · top driver Flood
#14
Commerce City, CO
National index rank #473 · state rank #7 · top driver Flood
#15
Isle of Palms, SC
National index rank #537 · state rank #21 · top driver Flood
#16
Bixby, OK
National index rank #564 · state rank #30 · top driver Flood
#17
Portales, NM
National index rank #591 · state rank #2 · top driver Flood
#18
Fremont, NE
National index rank #686 · state rank #8 · top driver Flood
#19
Los Alamos, NM
National index rank #709 · state rank #5 · top driver Flood
#20
White Rock, NM
National index rank #749 · state rank #7 · top driver Flood
#21
Freeport, TX
National index rank #850 · state rank #95 · top driver Flood
#22
Fort Riley, KS
National index rank #861 · state rank #33 · top driver Flood
#23
Fort Leonard Wood, MO
National index rank #1104 · state rank #25 · top driver Flood
#24
Port Isabel, TX
National index rank #1185 · state rank #127 · top driver Flood
#25
Waukee, IA
National index rank #1262 · state rank #30 · top driver Flood
#26
Sayre, PA
National index rank #1375 · state rank #41 · top driver Flood
#27
Schuyler, NE
National index rank #1566 · state rank #16 · top driver Flood
#28
Mead, CO
National index rank #1582 · state rank #51 · top driver Flood
#29
Westerville, OH
National index rank #1656 · state rank #20 · top driver Flood
#30
Johnstown, CO
National index rank #1694 · state rank #56 · top driver Flood
#31
Aransas Pass, TX
National index rank #1749 · state rank #224 · top driver Flood
#32
Hitchcock, TX
National index rank #1764 · state rank #225 · top driver Flood
#33
Rio Communities, NM
National index rank #2221 · state rank #17 · top driver Flood
#34
Peoria, AZ
National index rank #2263 · state rank #8 · top driver Flood
#35
Wahpeton, ND
National index rank #2737 · state rank #3 · top driver Flood
#36
Ellwood City, PA
National index rank #2746 · state rank #119 · top driver Flood
#37
Belen, NM
National index rank #2747 · state rank #20 · top driver Flood
#38
Los Chaves, NM
National index rank #2811 · state rank #21 · top driver Flood
#39
Neenah, WI
National index rank #2900 · state rank #37 · top driver Flood
#40
Massapequa, NY
National index rank #2915 · state rank #111 · top driver Flood
#41
East Massapequa, NY
National index rank #2920 · state rank #112 · top driver Flood
#42
Massapequa Park, NY
National index rank #2936 · state rank #113 · top driver Flood
#43
Seaford, NY
National index rank #2944 · state rank #114 · top driver Flood
#44
Amityville, NY
National index rank #3007 · state rank #115 · top driver Flood
#45
Los Lunas, NM
National index rank #3226 · state rank #23 · top driver Flood
#46
Watertown, NY
National index rank #3727 · state rank #142 · top driver Flood
#47
Marana, AZ
National index rank #4280 · state rank #37 · top driver Flood
#48
Farmington, UT
National index rank #4323 · state rank #1 · top driver Flood
#49
Monroe, OH
National index rank #4357 · state rank #187 · top driver Flood
#50
East Merrimack, NH
National index rank #4739 · state rank #7 · top driver Flood
How this ranking works
Flood ranking uses normalized FEMA/NFHL-derived tile scoring with guardrails for sparse or low-land-fraction cells.
Rankings are built from HomeRiskIQ hazard tiles and current state/city scoring. They are designed for comparative research and media context, not official warning decisions.