Adams County Disaster Risk
Adams County, Pennsylvania
FEMA Risk Rating
Relatively Low
National Percentile
68th
of 3,144 counties
State Rank
#37
of 67 (1 = highest risk)
Flood Risk
76th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively Low
Higher than 76% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Relatively Low
Higher than 44% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 46% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 73% of US counties
Hurricane
Tropical cyclone and hurricane risk
Moderate
Higher than 84% of US counties
Risk Overview
About Natural Disaster Risk in Adams County, Pennsylvania
Adams County's Risk: Right at National Baseline
With a composite risk score of 67.53, Adams County sits nearly in line with the national average, rating as relatively low overall. This means residents face moderate natural disaster exposure comparable to many American communities, though certain hazards deserve specific attention.
Slightly Below Pennsylvania's Average Risk
Adams County's score of 67.53 sits just marginally above Pennsylvania's statewide average of 67.45, placing it squarely in the middle of the state's risk spectrum. Among Pennsylvania's 67 counties, Adams ranks in the lower-to-moderate tier for overall hazard vulnerability.
Adams Safer Than Urban Neighbors
Adams County faces notably less risk than nearby Allegheny County (98.09 score), which includes Pittsburgh and experiences significantly higher flood and tornado exposure. Compared to other central Pennsylvania neighbors like Berks County (92.72), Adams residents enjoy a comparatively lower hazard profile.
Hurricanes and Earthquakes Pose Biggest Threats
Hurricane risk tops Adams County's hazard list at 84.06, reflecting the region's susceptibility to Atlantic storm systems even at this inland distance. Earthquake risk follows at 72.65, while flooding (76.21) and tornado risk (46.25) round out the county's exposure profile.
Prepare for Multiple Hazards with Right Coverage
Adams County residents should prioritize flood insurance given the county's 76.21 flood risk score—standard homeowners policies don't cover flooding. Consider earthquake coverage as well, and ensure your policy addresses wind and tornado damage, particularly if you live in mobile housing or rural areas.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Adams County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Adams County
Risk Verdict
With a national percentile rank of 68th, Adams County faces below-average hazard exposure relative to U.S. counties as a whole. Above-average risk does not mean imminent danger; it signals that informed, hazard-specific preparedness has high value here.
Hazard Breakdown
Hurricane risk is Adams County's dominant natural hazard, ranked at the 84th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 76th percentile nationally. Additional tracked hazards include earthquake (73th percentile), tornado (46th percentile), wildfire (44th percentile).
Preparedness Context
At the 84th percentile nationally for hurricane exposure, Adams County households benefit from reviewing both homeowners and flood insurance coverage before storm season begins — standard policies often exclude storm surge, which is the leading cause of hurricane fatalities. Adams County's flood exposure at the 76th percentile nationally adds a hazard layer that can persist or intensify after hurricane-force winds have passed, particularly in low-lying inland areas. Hurricane-force winds cause direct property damage, but storm surge causes the majority of hurricane-related deaths. Adams County households near tidal water or low-elevation areas should verify whether they are in a storm surge risk zone.
Regional Context
Adams County tracks the Pennsylvania county average closely, sitting 0.1 composite points above the state mean — neither a standout high-risk nor low-risk county within Pennsylvania.
Is your household prepared for Adams County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Adams County, PA?
What types of natural hazards affect Adams County?
How does Adams County risk compare to the Pennsylvania average?
Is Adams County at risk for hurricane?
How is natural disaster risk measured?
Why is Adams 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.