Cleveland County, OK

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 295,221 · Cities: Norman , Moore

Relatively Moderate Riskier than 91% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Cleveland County has experienced 43 federally declared disasters since 1971, most recently Wildfires And Straight-Line Winds in 2025. Its overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.

Cleveland County's highest-rated hazards are ice storm, hail, and cold wave, with its top risk rated "Very High" by FEMA's National Risk Index. Recorded storm events have increased 152% 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. Cleveland County has been designated in 43 declarations since 1971, covering 7 disaster types including severe storm (14), fire (10), severe ice storm (10).

2002–2026
Year Type Event name
2025 Fire Wildfires And Straight-Line Winds
2025 Fire East Thunderbird Fire
2023 Tornado Severe Storms, Straight-Line Winds, And Tornadoes
2021 Severe Ice Storm Severe Winter Storms
2021 Severe Ice Storm Severe Winter Storm
2021 Severe Ice Storm Severe Winter Storm
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2017 Fire Okc Fire Complex
2015 Severe Storm Severe Storms, Tornadoes, Straight-Line Winds, And Flooding

Showing the 10 most recent of 43 total declarations since 1971.

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 Relatively Low 85 0 0
Inland Flooding Relatively Moderate 88.2 81 2 $545K
Coastal Flooding Not Applicable 0 0
Earthquake Relatively Low 86.3 1
Heat Wave Relatively High 97.3 63 0
Tornado Relatively High 96.3 38 0 $53.0M
Hurricane Very Low 36.7 0 0
Hail Relatively High 98.8 323 0
Strong Wind Relatively High 96.3 0 0
Winter Weather Relatively High 95.6 0 0
Ice Storm Very High 99.6
Cold Wave Relatively High 97.6
Lightning Relatively Moderate 74.4 3 0 $102K
Drought Relatively Moderate 74.9 0 0
Landslide Very Low 58 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

Cleveland County ranks in the 55th 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 55th Moderate
Socioeconomic status 50th Moderate
Household characteristics 34th Low
Racial & ethnic minority status 68th Moderate
Housing type & transportation 67th 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 80th Very High
Risk to homes 79th Relatively High
Buildings in direct exposure zone 31.8%

NOAA tracked 504 weather events in this county over 2016–2025: 143 in 2016–20 vs 361 in 2021–25 (+152% — frequency increasing).

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 Cleveland County with other counties → All Oklahoma counties →

Frequently asked questions

What natural hazards pose the greatest risk in Cleveland County?

According to the FEMA National Risk Index, the highest-risk hazards in Cleveland County, Oklahoma are ice storm, hail, and cold wave. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.

Has Cleveland County received federal disaster declarations?

Yes. Cleveland County has received 43 federal disaster declarations since 1971, including declarations in 2025. The most common disaster type on record is severe storm (14 declarations).

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

Yes. Recent federal disaster declarations for Cleveland County include Wildfires And Straight-Line Winds (2025), East Thunderbird Fire (2025). See the declarations table above for the full history since 1971.

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

Among neighboring counties, Oklahoma County, OK has the highest overall natural hazard risk (Relatively High) and Seminole County, OK has the lowest (Relatively Low). Cleveland County is rated Relatively Moderate overall.

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

Cleveland 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. Cleveland County's composite score of 91 means its overall natural hazard risk is higher than 91% of US counties.

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