Reference only. Data sourced from HUD/FHFA (2025). This site is a private entity and not affiliated with any government agency.
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Flood risk by county

National Risk Index scores attached to every county calculator.

CountyRiskScoreDetails
Adams CountyModerate39View
Alamosa CountyVery High98View
Arapahoe CountyModerate39View
Archuleta CountyVery High98View
Baca CountyVery High98View
Bent CountyVery High98View
Boulder CountyLow29View
Broomfield CountyModerate39View
Chaffee CountyVery High98View
Cheyenne CountyVery High98View
Clear Creek CountyModerate39View
Conejos CountyVery High98View
Costilla CountyVery High98View
Crowley CountyVery High98View
Custer CountyVery High98View
Delta CountyVery High98View
Denver CountyModerate39View
Dolores CountyVery High98View
Douglas CountyModerate39View
Eagle CountyModerate41View
El Paso CountyModerate35View
Elbert CountyModerate39View
Fremont CountyModerate31View
Garfield CountyModerate48View
Gilpin CountyModerate39View
Grand CountyVery High98View
Gunnison CountyVery High98View
Hinsdale CountyVery High98View
Huerfano CountyVery High98View
Jackson CountyVery High98View
Jefferson CountyModerate39View
Kiowa CountyVery High98View
Kit Carson CountyVery High98View
La Plata CountyModerate40View
Lake CountyVery High98View
Larimer CountyModerate45View
Las Animas CountyVery High98View
Lincoln CountyVery High98View
Logan CountyVery High89View
Mesa CountyModerate48View
Mineral CountyVery High98View
Moffat CountyModerate37View
Montezuma CountyVery High98View
Montrose CountyHigh67View
Morgan CountyModerate45View
Otero CountyVery High98View
Ouray CountyHigh67View
Park CountyModerate39View
Phillips CountyVery High98View
Pitkin CountyModerate48View
Prowers CountyVery High98View
Pueblo CountyHigh78View
Rio Blanco CountyVery High98View
Rio Grande CountyVery High98View
Routt CountyVery High88View
Saguache CountyVery High98View
San Juan CountyVery High98View
San Miguel CountyVery High98View
Sedgwick CountyVery High98View
Summit CountyLow29View
Teller CountyModerate35View
Washington CountyVery High98View
Weld CountyModerate49View
Yuma CountyVery High98View