Richland County, OH

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 124,906 · Cities: Mansfield

Relatively Low Riskier than 61% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Richland County has experienced 18 federally declared disasters since 1969, most recently Tornadoes in 2024. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.

Richland County's highest-rated hazards are ice storm, hail, and winter weather, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have decreased 27% over the past five years compared to the prior five-year period.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. Richland County has been designated in 18 declarations since 1969, covering 6 disaster types including severe storm (7), snowstorm (4), tornado (3).

2002–2026
Year Type Event name
2024 Tornado Tornadoes
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2012 Severe Storm Severe Storms
2008 Snowstorm Record Snow And Near Record Snow
2007 Severe Storm Severe Storms, Flooding, And Tornadoes
2005 Snowstorm Snow
2005 Severe Storm Severe Winter Storms, Flooding, And Mudslides
2005 Hurricane Hurricane Katrina Evacuation
2004 Severe Storm Severe Storms And Flooding

Showing the 10 most recent of 18 total declarations since 1969.

Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.

Risk by hazard type

Hazard Risk rating Risk score Recorded events Deaths Prop. damage
Wildfire Very Low 35.6 0 0
Inland Flooding Relatively Low 71.6 13 0 $863K
Coastal Flooding Not Applicable 0 0
Earthquake Very Low 56.2
Heat Wave Relatively Low 68.5 0 0
Tornado Relatively Low 62.3 4 0 $1.5M
Hurricane Very Low 44.7 0 0
Hail Relatively Moderate 88.9 28 0
Strong Wind Relatively Moderate 70 0 0
Winter Weather Relatively High 87.7 0 0
Ice Storm Relatively High 89
Cold Wave Relatively Low 43.9
Lightning Relatively Moderate 68.5 0 0
Drought No Rating 0 0 0
Landslide Very Low 56.7 0 0
Avalanche Not Applicable
Tsunami Not Applicable
Volcanic Activity Not Applicable

Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.

Community vulnerability

Richland County ranks in the 53rd percentile (Moderate) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.

SVI theme Percentile Vulnerability level
Overall 53rd Moderate
Socioeconomic status 52nd Moderate
Household characteristics 35th Low
Racial & ethnic minority status 44th Low
Housing type & transportation 68th Moderate

Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.

Future risk outlook

Wildfire metric National percentile Level
Burn probability 16th Very Low
Risk to homes 16th Very Low
Buildings in direct exposure zone 49.4%

NOAA tracked 38 weather events in this county over 2016–2025: 22 in 2016–20 vs 16 in 2021–25 (-27% — frequency decreasing).

Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.

Nearby counties

Compare Richland County with other counties → All Ohio counties →

Frequently asked questions

What natural hazards pose the greatest risk in Richland County?

According to the FEMA National Risk Index, the highest-risk hazards in Richland County, Ohio are ice storm, hail, and winter weather. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.

Has Richland County received federal disaster declarations?

Yes. Richland County has received 18 federal disaster declarations since 1969, including declarations in 2024. The most common disaster type on record is severe storm (7 declarations).

Has Richland County had any FEMA disaster declarations in 2024, 2025, or 2026?

Yes. Recent federal disaster declarations for Richland County include Tornadoes (2024). See the declarations table above for the full history since 1969.

How does Richland County's natural hazard risk compare to nearby counties?

Among neighboring counties, Wayne County, OH has the highest overall natural hazard risk (Relatively Low) and Morrow County, OH has the lowest (Very Low). Richland County is rated Relatively Low overall.

How is Richland County's composite disaster risk index calculated?

Richland County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Richland County's composite score of 61 means its overall natural hazard risk is higher than 61% of US counties.

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