Tripp County Disaster Risk
Tripp County, South Dakota
FEMA Risk Rating
Very Low
National Percentile
36th
of 3,144 counties
State Rank
#23
of 66 (1 = highest risk)
Flood Risk
37th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Very Low
Higher than 37% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively Low
Higher than 79% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 38% of US counties
Earthquake
Seismic activity and ground shaking risk
Very Low
Higher than 23% of US counties
Risk Overview
About Natural Disaster Risk in Tripp County, South Dakota
Tripp County's risk exceeds national baseline
With a composite risk score of 36.45, Tripp County ranks above the national average and falls in the Very Low category. This reflects above-average exposure to multiple natural disaster types.
Tripp ranks in South Dakota's higher-risk group
Tripp County scores 36.45, exceeding the state average of 26.84 by 36 percent, placing it among the state's more hazard-exposed counties. Only a handful of South Dakota counties face comparable risk levels.
Tripp is part of a high-risk cluster
Tripp County's 36.45 aligns closely with Todd County (36.61) and Union County (37.12), forming a high-risk corridor in the region. These three counties face notably elevated hazards compared to Stanley (5.06) and Sully (6.33).
Wildfire, flood, and tornado threats converge
Tripp County faces significant wildfire risk (79.10), substantial tornado exposure (37.69), and elevated flood danger (37.12). This convergence of three major hazards requires residents to prepare for diverse disaster scenarios.
Layer your insurance for maximum protection
Tripp County homeowners should maintain comprehensive coverage for fire, wind/hail, and flood—ideally through separate policies for optimal protection. Regularly update your coverage to reflect property improvements and changing risk conditions.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Tripp County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Tripp County
Risk Verdict
Tripp County's natural disaster risk is among the lowest in the country, with a composite score at the 36th percentile nationally. Residents of Tripp County can use the 36th percentile ranking as a baseline, while recognizing that individual properties may still lie in specific hazard zones that differ from the county average.
Hazard Breakdown
Wildfire risk is Tripp County's dominant natural hazard, ranked at the 79th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 38th percentile nationally. Additional tracked hazards include flood (37th percentile), earthquake (23th percentile).
Preparedness Context
Wildfire is Tripp County's top-ranked natural hazard at the 79th percentile nationally. Tripp County residents should assess whether their property lies within or adjacent to a Wildland-Urban Interface (WUI) zone, where ember transport and rapid spread pose the highest risk. The county's tornado exposure at the 38th percentile nationally complements the wildfire risk — saturating rain after burn scarring often triggers secondary flood and debris flow events. For Tripp County households, a practiced evacuation plan — with a primary and backup route designated before a fire occurs — provides more protection than any structural improvement when a wildfire approaches fast-moving terrain.
Regional Context
Tripp County's composite risk score sits 9.6 points above the South Dakota county average, placing it among the more hazard-exposed counties in the state.
Is your household prepared for Tripp County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Tripp County, SD?
What types of natural hazards affect Tripp County?
How does Tripp County risk compare to the South Dakota average?
Is Tripp County at risk for wildfire?
How is natural disaster risk measured?
Why is Tripp County higher risk than average?
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.