riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Miner County Disaster Risk

Miner County, South Dakota

FEMA Risk Rating

Very Low

National Percentile

3th

of 3,144 counties

State Rank

#63

of 66 (1 = highest risk)

Flood Risk

4th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 4% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 40% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 27% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 10% of US counties

Risk Overview

About Natural Disaster Risk in Miner County, South Dakota

Miner County ranks among the nation's safest areas

Miner County's composite risk score of 3.44 places it among the safest counties in the United States, earning a "Very Low" rating that reflects exceptional resilience to natural disasters. All major hazards—flood (4.17), earthquake (9.80), and tornado (26.56)—rank well below national averages, with wildfire risk (40.27) being the county's only moderate exposure. Residents experience natural disaster risk levels lower than the vast majority of Americans.

Miner is South Dakota's safest county overall

Miner County's composite risk score of 3.44 is the lowest in South Dakota, falling far below the state average of 26.84 and reflecting the county's exceptional natural disaster resilience. All major hazard categories—flood (4.17), earthquake (9.80), wildfire (40.27), and tornado (26.56)—are well below state and national norms. Residents enjoy natural disaster exposure levels superior to virtually all other state and national peers.

Miner's exceptional safety stands alone regionally

Miner County's composite risk of 3.44 is substantially lower than any sampled neighbor, including Mellette County (5.15) and McPherson County (11.13), making it the region's safest county by a significant margin. Even Miner's wildfire risk (40.27) is the lowest among all sampled counties, revealing balanced low exposure rather than a concentrated hazard vulnerability. The county presents a uniquely protected natural disaster profile.

Natural disaster risk is minimal across all hazards

Miner County faces exceptionally low exposure across all major natural disaster types: wildfire risk (40.27) is the highest hazard, but still well below state and national averages, while flood (4.17), earthquake (9.80), and tornado (26.56) risks are all minimal. No single hazard requires special attention or targeted preparedness efforts. For residents, natural disaster planning can follow standard baseline protocols without county-specific adjustments.

Standard coverage adequate for minimal risk

Miner County's exceptionally low natural disaster risk means a basic homeowners insurance policy provides adequate protection without requiring specialized wildfire, flood, or earthquake coverage unless your property is in a designated flood zone. Annual policy review ensures coverage limits align with replacement costs, but the county's overall low-risk profile allows residents to prioritize insurance needs differently than higher-hazard areas. Standard homeowners and auto coverage represents appropriate protection for most residents.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Miner County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    40th percentile
  2. #2
    TornadoPrepare
    27th percentile
  3. #3
    EarthquakePrepare
    10th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Miner County

Risk Verdict

At the 3th percentile nationally, Miner County experiences relatively limited natural hazard pressure compared to most of the country. At the 3th percentile, Miner County's risk profile is among the more manageable in the country — the hazard-specific breakdown above shows where any remaining preparedness focus is best directed.

Hazard Breakdown

Wildfire risk is Miner County's dominant natural hazard, ranked at the 40th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 27th percentile nationally. Additional tracked hazards include earthquake (10th percentile), flood (4th percentile).

Preparedness Context

Miner County's dominant hazard is wildfire, ranked at the 40th percentile nationally. Maintaining at least 30 feet of lean, clean vegetation around structures in Miner County and keeping gutters clear of debris significantly reduces ignition risk from wind-driven embers. A secondary tornado exposure at the 27th percentile nationally means Miner County residents face hazards from two distinct natural peril categories during different seasons. Miner County's households benefit from reviewing homeowners insurance before fire season, specifically whether the policy covers replacement cost rather than actual cash value, and whether it includes additional living expenses if displacement is required.

Regional Context

A composite score 23.4 points below the South Dakota state average puts Miner County in a better-than-typical position relative to neighboring counties.

Is your household prepared for Miner County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Miner County, SD?
Miner County has a FEMA National Risk Index rating of Very Low, placing it in the 3th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Miner County?
Miner County is evaluated for five major natural hazard types: wildfire (40th percentile), tornado (27th percentile), earthquake (10th percentile), flooding (4th percentile). The highest-risk hazard is wildfire at the 40th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Miner County risk compare to the South Dakota average?
Miner County's composite risk percentile is 3th, compared to the South Dakota state average of 27th percentile. The state's overall risk rating is Very Low. This means Miner County faces lower natural disaster risk than the typical county in South Dakota.
Is Miner County at risk for wildfire?
Yes, Miner County's wildfire risk is at the 40th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Miner County is at the 4th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Is Miner County a safe place to live?
Miner County's composite risk score of 3th percentile is below the South Dakota state average of 27th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 40th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.