FEMA NRI v1.20Released December 2025Methodology

Oklahoma Disaster Risk

Natural disaster risk data for all 77 counties.

FEMA release

December 2025

Mean county NRI score

55.5

Counties with Data

of 77 total

County risk atlas

Oklahoma hazard exposure by county

FEMA NRI v1.20 scores on a 0–100 relative scale. Toggle the composite and five selected hazard categories out of FEMA's 18. Flood is the higher of Coastal Flooding and Inland Flooding NRI scores.

Counties

77/77

Mean county NRI score

55.5

Risk layers

Highest Risk Counties

Oklahoma County

Relatively High

NRI score 97.9

Tulsa County

Relatively High

NRI score 97.9

Cleveland County

Relatively Moderate

NRI score 91.3

Comanche County

Relatively Moderate

NRI score 86.2

Jackson County

Relatively Moderate

NRI score 86.0

Lowest Risk Counties

Cotton County

Very Low

NRI score 4.9

Harmon County

Very Low

NRI score 10.2

Tillman County

Very Low

NRI score 13.4

Dewey County

Very Low

NRI score 15.6

Greer County

Very Low

NRI score 17.1

All Oklahoma Counties

County	NRI score	FEMA Rating	Flood	Wildfire	Tornado	Earthquake
Oklahoma County	97.9	Relatively High	97.6	88.9	99.5	94.0
Tulsa County	97.9	Relatively High	97.9	91.3	99.1	89.9
Cleveland County	91.3	Relatively Moderate	88.2	85.0	96.3	86.3
Comanche County	86.2	Relatively Moderate	83.6	92.9	95.5	83.7
Jackson County	86.0	Relatively Moderate	25.1	65.9	69.9	41.9
Payne County	83.9	Relatively Moderate	67.6	89.6	94.7	58.3
Canadian County	83.5	Relatively Moderate	75.7	83.9	95.0	61.7
Creek County	83.2	Relatively Moderate	72.2	93.8	92.9	56.3
Le Flore County	82.7	Relatively Moderate	84.3	96.1	88.2	67.2
Delaware County	82.7	Relatively Moderate	86.5	90.8	87.0	60.5
Pottawatomie County	82.3	Relatively Moderate	67.4	92.2	96.6	68.4
Garfield County	82.1	Relatively Moderate	67.0	53.6	92.2	58.0
Muskogee County	82.0	Relatively Moderate	78.0	89.0	90.8	79.4
Rogers County	80.1	Relatively Low	81.4	86.0	81.4	54.6
Kay County	79.9	Relatively Low	69.8	88.5	93.4	52.2
Sequoyah County	79.1	Relatively Low	73.6	96.1	86.0	67.0
Osage County	78.1	Relatively Low	75.1	94.8	88.7	44.8
Mayes County	77.6	Relatively Low	75.9	85.6	88.3	58.9
Cherokee County	76.9	Relatively Low	77.5	94.6	81.6	60.3
Washington County	76.1	Relatively Low	74.2	78.4	92.7	54.5
Ottawa County	76.0	Relatively Low	78.2	64.9	73.6	61.2
Grady County	75.7	Relatively Low	62.7	91.5	93.8	66.4
Carter County	74.9	Relatively Low	63.4	88.4	94.0	65.0
Logan County	74.7	Relatively Low	50.7	78.5	92.7	42.4
Okmulgee County	74.6	Relatively Low	66.0	91.7	84.7	60.9
Bryan County	74.6	Relatively Low	54.1	87.5	94.8	63.9
Pittsburg County	73.3	Relatively Low	67.1	95.2	81.2	58.0
Wagoner County	73.3	Relatively Low	70.6	81.7	72.0	49.9
McCurtain County	72.0	Relatively Low	75.9	77.6	76.7	64.7
Lincoln County	71.3	Relatively Low	50.4	92.8	88.6	50.1
Stephens County	65.9	Relatively Low	54.2	88.5	89.8	62.6
McIntosh County	65.8	Relatively Low	59.8	90.7	79.5	51.7
Caddo County	63.4	Relatively Low	54.5	85.6	82.5	58.8
Pontotoc County	62.9	Relatively Low	45.6	90.2	88.5	56.8
McClain County	62.8	Relatively Low	53.3	87.2	89.1	55.1
Custer County	62.0	Relatively Low	38.7	76.8	91.3	53.2
Garvin County	61.7	Relatively Low	54.9	87.2	85.1	57.6
Beckham County	57.8	Relatively Low	31.8	90.7	86.7	42.0
Seminole County	57.1	Relatively Low	38.2	91.1	78.7	51.6
Kingfisher County	56.8	Relatively Low	40.7	52.3	81.0	42.7
Texas County	56.6	Relatively Low	11.9	83.4	59.3	29.5
Craig County	55.5	Relatively Low	55.1	60.4	66.8	50.5
Adair County	53.8	Relatively Low	59.5	90.6	66.2	44.1
Choctaw County	49.9	Relatively Low	26.8	65.1	80.6	45.8
Marshall County	49.0	Relatively Low	38.8	79.3	81.4	44.8
Pawnee County	48.1	Relatively Low	35.4	86.8	70.0	32.4
Cimarron County	47.3	Relatively Low	2.9	72.5	18.1	19.9
Harper County	45.7	Relatively Low	6.8	81.9	30.6	16.5
Noble County	44.0	Relatively Low	31.0	75.4	69.3	34.9
Woodward County	41.6	Very Low	36.8	89.3	51.4	33.3
Nowata County	40.8	Very Low	29.0	54.5	64.1	34.0
Alfalfa County	40.6	Very Low	22.4	60.9	44.7	25.3
Okfuskee County	40.4	Very Low	22.1	91.7	47.9	40.2
Beaver County	37.8	Very Low	5.3	85.7	35.0	18.8
Kiowa County	35.8	Very Low	22.9	71.6	72.4	47.0
Latimer County	34.6	Very Low	40.6	92.6	52.4	35.2
Major County	34.2	Very Low	14.3	66.1	41.1	27.5
Hughes County	34.0	Very Low	17.5	89.7	64.3	36.4
Pushmataha County	32.8	Very Low	36.1	88.7	54.6	37.6
Murray County	32.5	Very Low	31.5	82.4	68.6	37.5
Coal County	32.4	Very Low	12.1	86.8	52.5	31.6
Blaine County	32.3	Very Low	17.4	63.1	51.7	37.9
Washita County	31.9	Very Low	19.8	68.9	60.7	42.6
Haskell County	30.5	Very Low	22.6	91.8	46.3	35.2
Atoka County	30.4	Very Low	20.5	84.4	49.7	35.7
Woods County	28.1	Very Low	12.6	74.7	33.6	24.0
Grant County	27.8	Very Low	13.8	44.3	36.5	23.5
Johnston County	25.4	Very Low	19.1	82.2	59.1	34.9
Ellis County	24.8	Very Low	7.0	85.2	38.2	22.6
Roger Mills County	23.2	Very Low	10.4	89.2	39.1	18.6
Love County	21.1	Very Low	14.4	79.4	58.2	29.2
Jefferson County	20.9	Very Low	14.2	78.2	54.3	34.2
Greer County	17.1	Very Low	5.9	68.3	53.0	26.8
Dewey County	15.6	Very Low	5.7	73.6	39.1	23.3
Tillman County	13.4	Very Low	6.7	52.7	41.1	32.1
Harmon County	10.2	Very Low	3.8	58.0	33.7	20.9
Cotton County	4.9	Very Low	6.5	67.0	28.3	29.8

Frequently Asked Questions

How many Oklahoma county records are included?

RiskByCounty includes 77 Oklahoma county records from FEMA NRI v1.20 (December 2025).

Which FEMA county ratings appear in Oklahoma?

FEMA NRI v1.20 (December 2025) county rating counts for Oklahoma: Very Low: 28; Relatively Low: 36; Relatively Moderate: 11; Relatively High: 2; Very High: 0; Not available: 0.

How complete are the five selected hazard fields for Oklahoma?

FEMA NRI v1.20 (December 2025) availability among 77 county records: Flood: 77 of 77; Wildfire: 77 of 77; Tornado: 77 of 77; Earthquake: 77 of 77; Hurricane: 75 of 77. RiskByCounty displays five selected hazard categories out of FEMA's 18.

Official Ready.gov resource

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

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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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