Cook County, Minnesota
Natural disaster risk, federal disaster history and flood insurance facts.
Cook County, Minnesota has a very low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is lower than 89% of US counties. It ranks 76th of 87 counties in Minnesota. The costliest hazards here are inland flooding, cold waves and lightning. FEMA estimates about $4.5 million a year in expected losses, or roughly $798 per resident. Since 1976 it has been included in 8 federal disaster or emergency declarations for natural events (6 major disasters). The most recent was in June 2024 (severe storms and flooding). Only 12 homes here carry federal flood insurance. Since 1978, federal flood insurance has paid about $64,000 on 15 claims here.
FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.
Top risks in Cook County
- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Insulate pipes in outside walls, crawl spaces and garages.
- Know how to shut off the main water valve.
- Go indoors when you hear thunder.
- Use surge protectors for electronics.
All 18 hazards
What the ratings mean ›| Hazard | Rating | Score | Expected loss a year | |
|---|---|---|---|---|
| Inland flooding | 19.8 | $2M | ||
| Cold wave | 61.8 | $1M | ||
| Lightning | 76.3 | $543K | ||
| Wildfire | 79.6 | $343K | ||
| Strong wind | 9.8 | $61K | ||
| Winter weather | 52.6 | $61K | ||
| Heat wave | 8.2 | $11K | ||
| Drought | 22.1 | $6K | ||
| Tornado | 2.9 | $6K | ||
| Ice storm | 11.8 | $6K | ||
| Hail | 3.1 | $5K | ||
| Landslide | 38.5 | $513 | ||
| Coastal flooding | 14.4 | $0 |
Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is relatively high and community resilience is very high in FEMA's measures.
Federal disaster history
Recent disasters nationwide ›Declarations by decade
Federal declarations for natural events that included Cook County. 2020s bar runs to November 2026.
By type
Most recent
Minnesota also had 26 statewide declarations that did not name single counties.
Storm history since 1983
Tornado risk by county ›The National Weather Service has logged 86 storm reports in Cook County since 1983, with 2 deaths and 3 injuries and about $1.1 million in reported damage. The strongest on record here was an EF2 tornado on October 10, 2021 near Hovland.
Strongest tornadoes
| Date | Strength | Near | Hurt / killed |
|---|---|---|---|
| Oct 10, 2021 | EF2 | Hovland | 0 / 0 |
| Jun 9, 1991 | F0 | – | 0 / 0 |
| Sep 16, 1992 | F0 | – | 0 / 0 |
| Jun 18, 2019 | EFU | Marais | 0 / 0 |
Most damaging storms
| Date | Type | Near | Damage |
|---|---|---|---|
| Jun 6, 2008 | Flash Flood | Hovland | $900K |
| Jul 19, 2013 | Flash Flood | Lutsen | $100K |
| Jun 20, 2012 | Flash Flood | Taconite Harbor | $61K |
| Sep 8, 2025 | Lightning | Marais | $20K |
| Jul 19, 2013 | Flash Flood | Marais | $10K |
| Jul 23, 2025 | Flash Flood | Marais | $10K |
Source: NOAA Storm Events Database, county-based reports through Sep 8, 2025. Tornado records start in 1950, hail and wind in 1955, and floods and other storm types in 1996, so older decades undercount. Damage is in dollars of the year it happened and is often an estimate. Winter storms, heat and hurricanes are logged by forecast zone, not county, so they are not counted here.
Flood insurance in Cook County
Check your address flood zone ›National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.
Homes in Cook County
Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 6,079 housing units.
Compare in Minnesota
All 87 ›| Largest counties | Overall risk | Top hazard |
|---|---|---|
| Hennepin County | Inland flooding | |
| Ramsey County | Inland flooding | |
| Dakota County | Inland flooding | |
| Anoka County | Inland flooding | |
| Washington County | Inland flooding | |
| St. Louis County | Cold wave | |
| Olmsted County | Inland flooding | |
| Stearns County | Inland flooding |
Neighboring counties
| County | Overall risk | Declarations |
|---|---|---|
| Ashland County, WI | 12 | |
| Lake County | 10 | |
| Ontonagon County, MI | 6 | |
| Keweenaw County, MI | 3 |
Common questions about Cook County
What is the biggest natural hazard in Cook County?
Inland flooding has the highest expected yearly losses in Cook County, about $2.1 million a year in FEMA's estimate. Cold wave is second at $1.3 million.
How many federal disasters has Cook County had?
Cook County has been included in 8 federal disaster or emergency declarations for natural events since 1976, including 6 major disasters. The most recent was Severe Storms and Flooding in June 2024.
Is Cook County a high-risk place to live?
Its overall rating is Very Low, 76th highest of 87 in Minnesota. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.
Do I need flood insurance in Cook County?
Standard home insurance does not cover flooding. About 1 in 500 homes in Cook County has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.
How many tornadoes has Cook County had?
NOAA records list 4 tornadoes in Cook County since 1950. The strongest was an EF2 tornado on October 10, 2021 near Hovland. The weather service has also logged 25 hail reports and 20 floods here.
Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.