riskbycounty
FEMA NRI v1.20Released December 2025Methodology

York County Disaster Risk

York County, Pennsylvania

FEMA Risk Rating

Relatively Moderate

NRI score (0–100 relative scale)

90.4

FEMA composite county value

State Rank

#12

of 67, sorted high to low by RiskByCounty

Flood NRI score

93.3

higher coastal/inland value

Hazard Risk Breakdown

Five selected hazard categories out of FEMA's 18. Values are FEMA NRI v1.20 scores on a 0–100 relative scale.

Flood

93.3 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (93.3) NRI scores.

Hurricane

92.4 / 100

Earthquake

88.0 / 100

Tornado

47.6 / 100

Wildfire

41.0 / 100

FEMA NRI data summary

Selected hazard scores for York County

Among the five hazard categories displayed by RiskByCounty, flood has the highest NRI score for this county.

Flood
93.3
Hurricane
92.4
Earthquake
88.0
Tornado
47.6
Wildfire
41.0

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
93.3
Coastal Flooding
Not available
Inland Flooding
93.3

These five categories are a selected subset of FEMA's 18 natural hazards. FEMA's composite score and official rating are separate fields in the National Risk Index dataset.

FEMA National Risk Index documentation

Official Ready.gov resource

Continue to Ready.gov for federal emergency-planning information maintained outside RiskByCounty.

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Frequently Asked Questions

How many Pennsylvania county records are included?
RiskByCounty includes 67 Pennsylvania county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Pennsylvania?
FEMA NRI v1.20 (December 2025) county rating counts for Pennsylvania: Very Low: 8; Relatively Low: 38; Relatively Moderate: 16; Relatively High: 4; Very High: 1; Not available: 0.
How complete are the five selected hazard fields for Pennsylvania?
FEMA NRI v1.20 (December 2025) availability among 67 county records: Flood: 67 of 67; Wildfire: 67 of 67; Tornado: 67 of 67; Earthquake: 67 of 67; Hurricane: 67 of 67. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for York County, PA?
York County has an official FEMA NRI v1.20 composite rating of Relatively Moderate and an NRI score (0–100 relative scale) of 90.4. RiskByCounty ranks it 12th of 67 Pennsylvania county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for York County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For York County, Flood: 93.3; Hurricane: 92.4; Earthquake: 88.0; Tornado: 47.6; Wildfire: 41.0.
How is flood displayed for York County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For York County, Coastal Flooding is Not available, Inland Flooding is 93.3, and the displayed flood score is 93.3.

Counties with Similar Risk

Northampton County

Pennsylvania

-0.4

Relatively Moderate

NRI score 90.0

Lackawanna County

Pennsylvania

-0.5

Relatively Moderate

NRI score 89.9

Dauphin County

Pennsylvania

+0.6

Relatively Moderate

NRI score 91.1

Published by RiskByCounty

County summaries are deterministic transformations of frozen FEMA county fields. No external subject-matter reviewer is credited.

Published · Updated

Data Source

County data sourced from FEMA National Risk Index v1.20, released December 2025. Values are labeled NRI score (0–100 relative scale). RiskByCounty displays five selected hazard categories out of FEMA's 18; flood is the higher of the Coastal Flooding and Inland Flooding source scores.

RiskByCounty presents county-level source fields and deterministic arithmetic summaries.

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