Spink County, South Dakota
Natural disaster risk, federal disaster history and flood insurance facts.
Spink County, South Dakota has a very low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is lower than 82% of US counties. It ranks 35th of 66 counties in South Dakota. The costliest hazards here are inland flooding, cold waves and tornadoes. FEMA estimates about $9.7 million a year in expected losses, or roughly $1,525 per resident. Since 1969 it has been included in 21 federal disaster or emergency declarations for natural events (19 major disasters). The most recent was in August 2022 (severe storm, straight-line winds, tornadoes and flooding). Only 14 homes here carry federal flood insurance. Since 1978, federal flood insurance has paid about $970,000 on 74 claims here.
FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.
Top risks in Spink 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.
- Pick a shelter spot: a basement, or an inside room on the lowest floor with no windows.
- Turn on emergency alerts on your phone and keep a weather radio.
All 18 hazards
What the ratings mean ›| Hazard | Rating | Score | Expected loss a year | |
|---|---|---|---|---|
| Inland flooding | 25.3 | $4M | ||
| Cold wave | 66.6 | $3M | ||
| Tornado | 34.0 | $930K | ||
| Hail | 70.5 | $815K | ||
| Strong wind | 16.2 | $200K | ||
| Wildfire | 66.5 | $192K | ||
| Ice storm | 59.3 | $189K | ||
| Winter weather | 63.3 | $146K | ||
| Heat wave | 21.9 | $105K | ||
| Drought | 38.7 | $85K | ||
| Lightning | 8.1 | $38K | ||
| Earthquake | 16.0 | $27K | ||
| Landslide | 26.1 | $317 |
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 very low and community resilience is relatively high in FEMA's measures.
Federal disaster history
Recent disasters nationwide ›Declarations by decade
Federal declarations for natural events that included Spink County. 2020s bar runs to November 2026.
By type
Most recent
Show all 21
South Dakota also had 46 statewide declarations that did not name single counties.
Storm history since 1953
Tornado risk by county ›The National Weather Service has logged 601 storm reports in Spink County since 1953, with 2 deaths and 0 injuries and about $45.8 million in reported damage. The strongest on record here was an F2 tornado on June 20, 1957.
Strongest tornadoes
| Date | Strength | Near | Hurt / killed |
|---|---|---|---|
| Jun 20, 1957 | F2 | – | 0 / 1 |
| Jul 7, 1959 | F2 | – | 0 / 0 |
| Jul 23, 1964 | F2 | – | 0 / 0 |
| Jun 21, 1956 | F2 | – | 0 / 0 |
| May 29, 1953 | F1 | – | 0 / 0 |
Most damaging storms
| Date | Type | Near | Damage |
|---|---|---|---|
| Jun 1, 2019 | Flood | Mansfield | $44M |
| Apr 1, 2019 | Flood | Mansfield | $1M |
| Apr 1, 2009 | Flood | Ashton | $50K |
| Jun 20, 1957 | Tornado | – | $25K |
| May 29, 1953 | Tornado | – | $25K |
| Jun 18, 1954 | Tornado | – | $25K |
Source: NOAA Storm Events Database, county-based reports through Jul 7, 2026. 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 Spink 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 Spink 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; 3,010 housing units.
Compare in South Dakota
All 66 ›| Largest counties | Overall risk | Top hazard |
|---|---|---|
| Minnehaha County | Tornado | |
| Pennington County | Inland flooding | |
| Lincoln County | Tornado | |
| Brown County | Cold wave | |
| Brookings County | Inland flooding | |
| Meade County | Inland flooding | |
| Codington County | Inland flooding | |
| Lawrence County | Inland flooding |
Neighboring counties
| County | Overall risk | Declarations |
|---|---|---|
| Brown County | 17 | |
| Beadle County | 19 | |
| Day County | 23 | |
| Clark County | 20 | |
| Hand County | 20 | |
| Faulk County | 15 |
Common questions about Spink County
What is the biggest natural hazard in Spink County?
Inland flooding has the highest expected yearly losses in Spink County, about $4.3 million a year in FEMA's estimate. Cold wave is second at $2.7 million.
How many federal disasters has Spink County had?
Spink County has been included in 21 federal disaster or emergency declarations for natural events since 1969, including 19 major disasters. The most recent was Severe Storm, Straight-Line Winds, Tornadoes, and Flooding in August 2022.
Is Spink County a high-risk place to live?
Its overall rating is Very Low, 35th highest of 66 in South Dakota. 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 Spink County?
Standard home insurance does not cover flooding. About 1 in 500 homes in Spink 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 Spink County had?
NOAA records list 43 tornadoes in Spink County since 1950. The strongest was an F2 tornado on June 20, 1957. The weather service has also logged 263 hail reports and 100 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.