riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Barnstable County Disaster Risk

Barnstable County, Massachusetts

FEMA Risk Rating

Relatively Moderate

NRI score (0–100 relative scale)

89.1

FEMA composite county value

State Rank

#9

of 14, sorted high to low by RiskByCounty

Flood NRI score

94.6

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

94.6 / 100

Higher of FEMA Coastal Flooding (94.6) and Inland Flooding (90.7) NRI scores.

Hurricane

94.5 / 100

Earthquake

78.1 / 100

Wildfire

53.2 / 100

Tornado

45.5 / 100

FEMA NRI data summary

Selected hazard scores for Barnstable County

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

Flood
94.6
Hurricane
94.5
Earthquake
78.1
Wildfire
53.2
Tornado
45.5

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
94.6
Coastal Flooding
94.6
Inland Flooding
90.7

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

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Frequently Asked Questions

How many Massachusetts county records are included?
RiskByCounty includes 14 Massachusetts county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Massachusetts?
FEMA NRI v1.20 (December 2025) county rating counts for Massachusetts: Very Low: 2; Relatively Low: 2; Relatively Moderate: 8; Relatively High: 2; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Massachusetts?
FEMA NRI v1.20 (December 2025) availability among 14 county records: Flood: 14 of 14; Wildfire: 14 of 14; Tornado: 14 of 14; Earthquake: 14 of 14; Hurricane: 14 of 14. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Barnstable County, MA?
Barnstable County has an official FEMA NRI v1.20 composite rating of Relatively Moderate and an NRI score (0–100 relative scale) of 89.1. RiskByCounty ranks it 9th of 14 Massachusetts county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Barnstable County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Barnstable County, Flood: 94.6; Hurricane: 94.5; Earthquake: 78.1; Wildfire: 53.2; Tornado: 45.5.
How is flood displayed for Barnstable County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Barnstable County, Coastal Flooding is 94.6, Inland Flooding is 90.7, and the displayed flood score is 94.6.

Counties with Similar Risk

Bristol County

Massachusetts

+0.8

Relatively Moderate

NRI score 89.9

Plymouth County

Massachusetts

+1.3

Relatively Moderate

NRI score 90.4

Norfolk County

Massachusetts

+2.9

Relatively Moderate

NRI score 92.0

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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