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South Carolina · FEMA + NOAA + National Risk Index

York County, SC

7 FEMA disaster declarations (2022–2026), with a FEMA National Risk Index rating of Relatively Moderate. Most common hazard: Hurricane.

7
FEMA declarations
2
Major disasters
89
NRI risk · Relatively Moderate
Hurricane
Top hazard

The verdict

York County ranks in the riskiest 11% of U.S. counties for FEMA-modeled hazard risk, with more federally declared disasters than 85% of the 2,791 counties FEMA tracks. FEMA rates the county's overall risk as Relatively Moderate, based on 7 federal disaster declarations recorded since 2022, most often hurricane, 82% above the national county average of 4.

Riskiest 11%
of U.S. counties for FEMA National Risk Index score
Relatively Moderate
FEMA National Risk Index rating
7
FEMA declarations vs 4 national county avg
4
hurricane declarations, the most common hazard here

FEMA's National Risk Index score reflects expected annual loss, social vulnerability, and community resilience; the declaration count above reflects only Presidentially declared disasters, not every hazard event.

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How does York County compare?

York County vs. every U.S. county

FEMA disaster declarations, all-time

7 Top 15% higher than 85% of 2,791 counties

This county 0 30 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-07-25

York County's FEMA Risk Index score

FEMA National Risk Index composite score vs. the South Carolina county average

0/100100/100South Carolina avg71/10088.7/100
FEMA National Risk Index composite score vs. the South Carolina county average

How disaster-prone is York County?

Declaration frequency

York County, South Carolina has recorded 7 FEMA disaster declarations between 2022 and 2026, of which 2 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 1.8 declarations per year across a 4-year record, or roughly 7% below the South Carolina county average of 7.5 and 82% above the national county average of 3.8. The dominant disaster type on record is Hurricane, with 4 of 7 declarations falling under this category.

FEMA National Risk Index

This county sits among the highest-risk counties nationally on FEMA's National Risk Index, a composite score of 88.7/100 (Relatively Moderate). Expected Annual Loss is rated Relatively Moderate (roughly $99.2M in annualized losses). Social vulnerability reads Very Low and community resilience Relatively High, both critical modifiers of realized harm here. Of the 18 hazards FEMA models, Ice Storm stands out as the sharpest exposure here, rated Very High.

Flood exposure & the bottom line

Taken together, these indicators put York County at a moderate relative risk level, not the calmest county on record, but not among the most disaster-prone either.

Risk Assessment

Risk Level

Moderate

vs. South Carolina Avg

-7%

State avg: 7.5

vs. National Avg

+82%

National avg: 3.8

Avg Per Year

1.8

Over 4 years

FEMA NRI 8-hazard radar - York County

York County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 25, Flood 0, Hurricane 25, Tornado 70, Wildfire 25, Drought 48, Heat Wave 25, Winter Storm 92. Overall composite 39 of 100, classified Moderate. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 39 composite
York County NRI risk profile FIPS 45091 · composite 39/100 (Moderate)
How to read this radar

The radar plots York County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance. A rounder polygon means broad multi-hazard exposure; a spiky polygon means one or two dominant hazards drive most of the modeled risk.

FEMA Records

7

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

45091

SC state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Hurricane 4
Tropical Storm 2
Winter Storm 1

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Emergency - 5 71.4%

of all 7 declarations

Major Disaster - 2 28.6%

of all 7 declarations

FEMA Declarations Timeline

Year Declarations
2026 1
2024 3
2023 2
2022 1

Disaster Declarations

DR# Title Type Incident Date
3632 SEVERE WINTER STORM EM Winter Storm 2026-01-23
4829 HURRICANE HELENE DR Hurricane 2024-09-29
3619 HURRICANE HELENE EM Tropical Storm 2024-09-26
3606 HURRICANE DEBBY EM Tropical Storm 2024-08-05
3597 HURRICANE IDALIA EM Hurricane 2023-08-31
4677 HURRICANE IAN DR Hurricane 2022-11-21
3585 HURRICANE IAN EM Hurricane 2022-09-29

Storm Events in South Carolina

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 6,973 12 43 $12.4M
Hail 1,449 0 0 $25.1M
Flash Flood 1,125 20 35 $151.3M
Strong Wind 470 4 13 $776.3K
Tornado 359 9 112 $127.4M

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

FEMA National Risk Index

Overall Risk

Relatively Moderate

Score: 88.7/100

Expected Annual Loss

Relatively Moderate

$99.2M/year

Social Vulnerability

Very Low

Community Resilience

Relatively High

Hazard Risk Breakdown

Ice Storm Very High
Tornado Relatively High
Strong Wind Relatively High
Lightning Relatively High
Earthquake Relatively Low
Cold Wave Relatively Moderate
Hurricane Relatively Low
Heat Wave Relatively Low
Landslide Relatively Low
Drought Relatively Moderate
Winter Weather Relatively Moderate
Wildfire Relatively Low
Hail Relatively Low

Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

Counties with Similar Risk in South Carolina

Frequently Asked Questions

How many natural disasters has York County, South Carolina had?
York County, South Carolina has received 7 FEMA disaster declarations from 2022 to 2026. Of these, 2 were major disaster declarations.
What is the most common disaster type in York County?
The most common disaster type in York County is Hurricane, with 4 declarations. Other disaster types include Tropical Storm (2), Winter Storm (1).
How does York County's disaster risk compare to the South Carolina average?
York County has 7 disaster declarations, which is 7% lower than the South Carolina county average of 7.5 declarations. Compared to the national county average of 3.8, it is 82% higher.
How many major FEMA disaster declarations has York County received?
York County has received 2 major disaster declarations, representing 29% of all 7 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in South Carolina?
The most common storm types in South Carolina include Thunderstorm Wind (6,973 events), Hail (1,449 events), Flash Flood (1,125 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in York County?
The most active year for disaster declarations in York County was 2024, with 3 declarations. The county has FEMA disaster data spanning 2022 to 2026.
What is the overall disaster risk level for York County?
With 7 FEMA disaster declarations on record, York County lands in the moderate-risk band, not unusually disaster-prone, but not spared either.
What is the FEMA National Risk Index score for York County?
According to the FEMA National Risk Index, York County, South Carolina has an overall risk score of 88.7 out of 100 (Relatively Moderate). The county's social vulnerability rating is Very Low and community resilience is Relatively High. The Expected Annual Loss (EAL) score is Relatively Moderate, representing $99.2M in annualized losses.
Which natural hazard poses the greatest risk to York County?
Based on FEMA NRI data, the highest-risk natural hazard in York County is Ice Storm (risk rating: Very High). Other significant hazards include Tornado (Relatively High) and Strong Wind (Relatively High). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for York County

York County, SC runs 7% below the South Carolina county average for federal disaster declarations (7 vs 8), a moderate historical load overall.

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, or report a data error.