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Codington County, SD

2 FEMA disaster declarations (2022–2023), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Flood.

2
FEMA declarations
2
Major disasters
62
NRI risk · Relatively Low
Flood
Top hazard

FEMA's National Risk Index places Codington County in the top 38% of U.S. counties for overall natural-hazard risk, and its FEMA disaster-declaration count is higher than 22% of all 2,729 counties tracked.

How does Codington County compare?

FEMA disaster declarations, this county versus the South Dakota county average and the national county average.

Codington County
2
South Dakota county avg
1.6
National county avg
3.7

How disaster-prone is Codington County?

Codington County, South Dakota has recorded 2 FEMA disaster declarations between 2022 and 2023, of which 2 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 2.0 declarations per year across a 1-year record, or roughly 25% above the South Dakota county average of 1.6 and 47% below the national county average of 3.7. Declaration counts reflect federal recognition of event severity, not pure hazard frequency — smaller incidents handled locally never appear in FEMA's ledger.

The dominant disaster type on record is Flood, with 1 of 2 declarations falling under this category. FEMA's National Risk Index assigns this county an overall risk rating of Relatively Low (composite score 61.8/100), driven by an Expected Annual Loss rating of Relatively Low equivalent to roughly $24.9M in annualized losses. Social vulnerability scores Relatively Low and community resilience scores Relatively High — two factors that modify raw hazard exposure into actual harm. The single highest-risk natural hazard identified for this county is Ice Storm (Relatively High).

NFIP flood insurance claims data for this county is not present in the FEMA claims extract, which typically indicates either low historical flood activity or low policy penetration. Taken together, these indicators place Codington County at a low relative risk level for federally recognized disasters. Households should pair this historical lens with forward-looking hazard maps — flood zones, wildfire risk overlays, and seismic zones published by FEMA and state emergency management — before making preparedness, insurance, or relocation decisions.

Risk Assessment

How Codington County's disaster history compares to state and national averages.

Risk Level

Low

vs. South Dakota Avg

+25%

State avg: 1.6

vs. National Avg

-47%

National avg: 3.7

Avg Per Year

2.0

Over 1 years

FEMA NRI 8-hazard radar — Codington County

Codington County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 8, Flood 0, Hurricane 0, Tornado 48, Wildfire 25, Drought 25, Heat Wave 8, Winter Storm 70. Overall composite 23 of 100, classified Low. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 23 composite
Codington County NRI risk profile FIPS 46029 · composite 23/100 (Low)

The radar plots Codington 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.

FEMA Records

2

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

46029

SD state code

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

Disaster Types

Breakdown of 2 FEMA disaster declarations in Codington County by incident type.

Flood 1
Severe Storm 1

Declaration Types

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

Major Disaster — 2 100.0%

of all 2 declarations

FEMA Declarations Timeline

Disaster declarations per year for Codington County.

Year Declarations
2023 1
2022 1

Disaster Declarations

All 2 FEMA disaster declarations for Codington County, South Dakota.

DR# Title Type Incident Date
4718 FLOODING DR Flood 2023-07-06
4656 SEVERE STORM, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING DR Severe Storm 2022-06-29

Storm Events in South Dakota

NOAA severe weather data for South Dakota (2015–2025). Storm event data is tracked at the state level.

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 6,137 7 21 $10.7M
Hail 5,130 0 3 $4.5M
High Wind 2,665 0 1 $35.0K
Winter Weather 2,307 21 52 $133.0K
Flood 1,596 5 0 $196.2M

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

FEMA National Risk Index

FEMA's composite risk score combining 18 natural hazard types, social vulnerability, and community resilience for Codington County.

Overall Risk

Relatively Low

Score: 61.8/100

Expected Annual Loss

Relatively Low

$24.9M/year

Social Vulnerability

Relatively Low

Community Resilience

Relatively High

Hazard Risk Breakdown

Risk rating for each of the 18 FEMA NRI natural hazard types in Codington County.

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

Other South Dakota counties with similar disaster declaration counts.

Disaster Preparedness Guides

Frequently Asked Questions

How many natural disasters has Codington County, South Dakota had?
Codington County, South Dakota has received 2 FEMA disaster declarations from 2022 to 2023. Of these, 2 were major disaster declarations.
What is the most common disaster type in Codington County?
The most common disaster type in Codington County is Flood, with 1 declaration. Other disaster types include Severe Storm (1).
How does Codington County's disaster risk compare to the South Dakota average?
Codington County has 2 disaster declarations, which is 25% higher than the South Dakota county average of 1.6 declarations. Compared to the national county average of 3.7, it is 47% lower.
How many major FEMA disaster declarations has Codington County received?
Codington County has received 2 major disaster declarations, representing 100% of all 2 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in South Dakota?
The most common storm types in South Dakota include Thunderstorm Wind (6,137 events), Hail (5,130 events), High Wind (2,665 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Codington County?
The most active year for disaster declarations in Codington County was 2022, with 1 declaration. The county has FEMA disaster data spanning 2022 to 2023.
What is the overall disaster risk level for Codington County?
Based on FEMA declaration history, Codington County has a low disaster risk level with 2 total declarations. This county has relatively few disaster declarations compared to the national average.
What is the FEMA National Risk Index score for Codington County?
According to the FEMA National Risk Index, Codington County, South Dakota has an overall risk score of 61.8 out of 100 (Relatively Low). The county's social vulnerability rating is Relatively Low and community resilience is Relatively High. The Expected Annual Loss (EAL) score is Relatively Low, representing $24.9M in annualized losses.
Which natural hazard poses the greatest risk to Codington County?
Based on FEMA NRI data, the highest-risk natural hazard in Codington County is Ice Storm (risk rating: Relatively High). Other significant hazards include Winter Weather (Relatively High) and Cold Wave (Relatively Moderate). 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 Codington County

Codington County, SD has 2 FEMA disaster declarations on record — a low historical disaster load, 25% above the South Dakota county average.

  • Its most common federal declaration type is major disaster (2 of 2) — know the hazards most likely here before they happen. South Dakota overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

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 U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

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