Perkins County, SD

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 2,834

Very Low Riskier than 3% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Perkins County has experienced 26 federally declared disasters since 1976, most recently Covid-19 in 2020. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Perkins County's highest-rated hazards are wildfire, winter weather, and cold wave, with its top risk rated "Relatively Low" by FEMA's National Risk Index. Recorded storm events have decreased 29% over the past five years compared to the prior five-year period.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. Perkins County has been designated in 26 declarations since 1976, covering 6 disaster types including severe storm (11), biological (7), flood (4).

2002–2026
Year Type Event name
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2019 Flood Severe Winter Storm, Snowstorm, And Flooding
2017 Severe Storm Severe Winter Storm
2014 Severe Storm Severe Winter Storm, Snowstorm, And Flooding

Showing the 10 most recent of 26 total declarations since 1976.

Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.

Risk by hazard type

Hazard Risk rating Risk score Recorded events Deaths Prop. damage
Wildfire Relatively Low 68.8 0 0
Inland Flooding Very Low 4.7 4 0 $350K
Coastal Flooding Not Applicable 0 0
Earthquake Very Low 5.9
Heat Wave Very Low 6.5 0 0
Tornado Very Low 11.6 3 0
Hurricane Not Applicable 0 0
Hail Relatively Low 34.7 106 0 $5K
Strong Wind Relatively Low 17.3 0 0
Winter Weather Relatively Low 51.8 0 0
Ice Storm Relatively Low 40.2
Cold Wave Relatively Low 50.2
Lightning Very Low 5.4 0 0
Drought Very Low 19.5 0 0
Landslide Very Low 16.4 0 0
Avalanche Not Applicable
Tsunami Not Applicable
Volcanic Activity Not Applicable

Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.

Community vulnerability

Perkins County ranks in the 34th percentile (Low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.

SVI theme Percentile Vulnerability level
Overall 34th Low
Socioeconomic status 22nd Very low
Household characteristics 49th Low
Racial & ethnic minority status 4th Very low
Housing type & transportation 70th Moderate

Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.

Future risk outlook

Wildfire metric National percentile Level
Burn probability 65th Relatively High
Risk to homes 66th Relatively High
Buildings in direct exposure zone 77.9%

NOAA tracked 113 weather events in this county over 2016–2025: 66 in 2016–20 vs 47 in 2021–25 (-29% — frequency decreasing).

Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.

Nearby counties

Compare Perkins County with other counties → All South Dakota counties →

Frequently asked questions

What natural hazards pose the greatest risk in Perkins County?

According to the FEMA National Risk Index, the highest-risk hazards in Perkins County, South Dakota are wildfire, winter weather, and cold wave. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.

Has Perkins County received federal disaster declarations?

Yes. Perkins County has received 26 federal disaster declarations since 1976, including declarations in 2020. The most common disaster type on record is severe storm (11 declarations).

Has Perkins County had any FEMA disaster declarations in 2024, 2025, or 2026?

No federal disaster declarations have been recorded for Perkins County since the start of 2024. Its most recent declaration on record is Covid-19 in 2020.

How does Perkins County's natural hazard risk compare to nearby counties?

Among neighboring counties, Meade County, SD has the highest overall natural hazard risk (Relatively Low) and Harding County, SD has the lowest (Very Low). Perkins County is rated Very Low overall.

How is Perkins County's composite disaster risk index calculated?

Perkins County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Perkins County's composite score of 3 means its overall natural hazard risk is higher than 3% of US counties.

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