riskbycounty
FEMA NRI v1.20Released December 2025Methodology

Richland County Disaster Risk

Richland County, Ohio

FEMA Risk Rating

Relatively Low

NRI score (0–100 relative scale)

61.3

FEMA composite county value

State Rank

#39

of 88, sorted high to low by RiskByCounty

Flood NRI score

71.6

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

71.6 / 100

Higher of FEMA Coastal Flooding (Not available) and Inland Flooding (71.6) NRI scores.

Tornado

62.3 / 100

Earthquake

56.2 / 100

Hurricane

44.7 / 100

Wildfire

35.6 / 100

FEMA NRI data summary

Selected hazard scores for Richland County

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

Flood
71.6
Tornado
62.3
Earthquake
56.2
Hurricane
44.7
Wildfire
35.6

Higher of FEMA Coastal Flooding and Inland Flooding NRI scores

Displayed flood score
71.6
Coastal Flooding
Not available
Inland Flooding
71.6

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 Ohio county records are included?
RiskByCounty includes 88 Ohio county records from FEMA NRI v1.20 (December 2025).
Which FEMA county ratings appear in Ohio?
FEMA NRI v1.20 (December 2025) county rating counts for Ohio: Very Low: 26; Relatively Low: 51; Relatively Moderate: 8; Relatively High: 3; Very High: 0; Not available: 0.
How complete are the five selected hazard fields for Ohio?
FEMA NRI v1.20 (December 2025) availability among 88 county records: Flood: 88 of 88; Wildfire: 88 of 88; Tornado: 88 of 88; Earthquake: 88 of 88; Hurricane: 88 of 88. RiskByCounty displays five selected hazard categories out of FEMA's 18.
What FEMA NRI information is available for Richland County, OH?
Richland County has an official FEMA NRI v1.20 composite rating of Relatively Low and an NRI score (0–100 relative scale) of 61.3. RiskByCounty ranks it 39th of 88 Ohio county records when sorting the FEMA composite NRI scores from high to low.
Which selected hazard scores are shown for Richland County?
RiskByCounty displays five selected hazard categories out of FEMA's 18 using FEMA NRI v1.20 (December 2025). For Richland County, Flood: 71.6; Tornado: 62.3; Earthquake: 56.2; Hurricane: 44.7; Wildfire: 35.6.
How is flood displayed for Richland County?
RiskByCounty's flood display is the higher of FEMA Coastal Flooding and Inland Flooding NRI scores. For Richland County, Coastal Flooding is Not available, Inland Flooding is 71.6, and the displayed flood score is 71.6.

Counties with Similar Risk

Erie County

Ohio

+0.0

Relatively Low

NRI score 61.4

Miami County

Ohio

+0.1

Relatively Low

NRI score 61.4

Marion County

Ohio

-0.2

Relatively Low

NRI score 61.1

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.

Explore more data for Richland County

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