Anderson County, South Carolina
Natural disaster risk, federal disaster history and flood insurance facts.
Anderson County, South Carolina has a moderate overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 87% of US counties. It ranks 14th of 46 counties in South Carolina. The costliest hazards here are inland flooding, cold waves and tornadoes. FEMA estimates about $67 million a year in expected losses, or roughly $331 per resident. Since 1977 it has been included in 19 federal disaster or emergency declarations for natural events (6 major disasters). The most recent was in January 2026 (severe winter storm). Fewer than 1 in 100 homes here carry federal flood insurance (118 policies). Since 1978, federal flood insurance has paid about $927,000 on 39 claims here.
FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.
Top risks in Anderson 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 | 88.1 | $33M | ||
| Cold wave | 95.9 | $13M | ||
| Tornado | 90.8 | $8M | ||
| Earthquake | 87.4 | $4M | ||
| Strong wind | 89.7 | $2M | ||
| Ice storm | 95.5 | $2M | ||
| Lightning | 93.5 | $2M | ||
| Hurricane | 78.0 | $1M | ||
| Heat wave | 78.4 | $1M | ||
| Hail | 82.0 | $1M | ||
| Drought | 50.6 | $153K | ||
| Wildfire | 47.4 | $42K | ||
| Winter weather | 36.8 | $40K | ||
| Landslide | 60.0 | $3K |
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 low and community resilience is relatively moderate in FEMA's measures.
Federal disaster history
Recent disasters nationwide ›Declarations by decade
Federal declarations for natural events that included Anderson County. 2020s bar runs to November 2026.
By type
Most recent
Show all 19
South Carolina also had 12 statewide declarations that did not name single counties.
Storm history since 1955
Tornado risk by county ›The National Weather Service has logged 863 storm reports in Anderson County since 1955, with 3 deaths and 27 injuries and about $21.9 million in reported damage. The strongest on record here was an F3 tornado on April 8, 1974.
Strongest tornadoes
| Date | Strength | Near | Hurt / killed |
|---|---|---|---|
| Apr 8, 1974 | F3 | – | 0 / 0 |
| Sep 16, 1996 | F2 | Sandy Spgs | 2 / 0 |
| Apr 13, 1980 | F2 | – | 5 / 0 |
| Apr 4, 1989 | F2 | – | 0 / 0 |
| Nov 21, 1973 | F2 | – | 0 / 0 |
Most damaging storms
| Date | Type | Near | Damage |
|---|---|---|---|
| May 25, 1996 | Lightning | Starr | $5M |
| Sep 16, 1996 | Tornado | Sandy Spgs | $3M |
| Apr 13, 1980 | Tornado | – | $3M |
| Jul 4, 2001 | Thunderstorm Wind | Anderson | $2M |
| Sep 16, 1996 | Tornado | Anderson Co Arp | $1M |
| Sep 16, 1996 | Tornado | Piedmont | $1M |
Source: NOAA Storm Events Database, county-based reports through Jul 10, 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.
Hurricanes and tropical storms
Hurricane risk by county ›Since 1859, 0 hurricanes and 10 tropical storms have passed within 65 miles of the center of Anderson County, 2 of them since 1950. The strongest was an unnamed storm in 1949, with top winds near 60 mph about 57 miles away.
Strongest storms nearby
| Date | Storm | Strength | Closest |
|---|---|---|---|
| Aug 28, 1949 | Unnamed | Tropical storm, 60 mph | 57 mi |
| Sep 27, 2024 | Helene | Tropical storm, 60 mph | 52 mi |
| Oct 11, 2018 | Michael | Tropical storm, 55 mph | 64 mi |
| Jul 15, 1916 | Unnamed | Tropical storm, 55 mph | 65 mi |
| Sep 24, 1889 | Unnamed | Tropical storm, 50 mph | 52 mi |
| Oct 3, 1893 | Unnamed | Tropical storm, 50 mph | 58 mi |
Most recent storms
| Date | Storm | Strength | Closest |
|---|---|---|---|
| Sep 27, 2024 | Helene | Tropical storm, 60 mph | 52 mi |
| Oct 11, 2018 | Michael | Tropical storm, 55 mph | 64 mi |
| Aug 28, 1949 | Unnamed | Tropical storm, 60 mph | 57 mi |
| Jul 15, 1916 | Unnamed | Tropical storm, 55 mph | 65 mi |
| Sep 18, 1906 | Unnamed | Tropical storm, 45 mph | 51 mi |
| Oct 3, 1893 | Unnamed | Tropical storm, 50 mph | 58 mi |
Source: NOAA National Hurricane Center best-track records (HURDAT2), 1851 to 2025 for the Atlantic and 1949 to 2025 for the eastern Pacific. A storm counts if its track passed within 65 miles of the county's center while it was a tropical storm or hurricane. Strength is the storm's top sustained wind at that point, not the wind measured in the county. Older storms over the open sea were sometimes missed.
Flood insurance in Anderson 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 Anderson 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; 92,319 housing units.
Compare in South Carolina
All 46 ›| Largest counties | Overall risk | Top hazard |
|---|---|---|
| Greenville County | Inland flooding | |
| Richland County | Inland flooding | |
| Charleston County | Hurricane | |
| Horry County | Hurricane | |
| Spartanburg County | Inland flooding | |
| Lexington County | Inland flooding | |
| York County | Inland flooding | |
| Berkeley County | Hurricane |
Neighboring counties
| County | Overall risk | Declarations |
|---|---|---|
| Greenville County | 24 | |
| Pickens County | 24 | |
| Oconee County | 22 | |
| Laurens County | 21 | |
| Hart County, GA | 12 | |
| Abbeville County | 19 | |
| Elbert County, GA | 14 |
Cities in Anderson County
Common questions about Anderson County
What is the biggest natural hazard in Anderson County?
Inland flooding has the highest expected yearly losses in Anderson County, about $33 million a year in FEMA's estimate. Cold wave is second at $13.4 million.
How many federal disasters has Anderson County had?
Anderson County has been included in 19 federal disaster or emergency declarations for natural events since 1977, including 6 major disasters. The most recent was Severe Winter Storm in January 2026.
Is Anderson County a high-risk place to live?
Its overall rating is Relatively Moderate, 14th highest of 46 in South Carolina. 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 Anderson County?
Standard home insurance does not cover flooding. About 1 in 1000 homes in Anderson 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 Anderson County had?
NOAA records list 38 tornadoes in Anderson County since 1950. The strongest was an F3 tornado on April 8, 1974. The weather service has also logged 227 hail reports and 51 floods here.
How many hurricanes have hit Anderson County?
NOAA's hurricane records show 0 hurricanes and 10 tropical storms passing within 65 miles of the center of Anderson County. The strongest was an unnamed storm in 1949, with winds near 60 mph.
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.