Best placesOklahomaFlood Risk

Counties With the Lowest Flood Risk in Oklahoma (2026)

Tillman has the lowest flood risk of any county in Oklahoma, at 7.6, followed by Cimarron and Dewey (data vintage 2024). The full ranking of the top 25 counties is below.

Data updated 2024 - Source: FEMA National Risk Index

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Lowest counties for flood risk in Oklahoma

Top 25 of 77 counties with data.

Ranked by flood risk (FEMA National Risk Index, 2024), lowest first.

Lowest counties for flood risk in Oklahoma
RankCountyValue
1Tillman7.6
2Cimarron11.8
3Dewey18.7
4Texas18.8
5Beaver20.1
6Jackson29.3
7Greer33.9
8Hughes34.8
9Blaine35.7
10Harper38.0
11Woods39.2
12Ellis41.9
13Oklahoma42.0
14Seminole42.3
15Cleveland43.0
16Cotton44.6
17Johnston45.7
18Choctaw46.2
19Washita47.2
20Pottawatomie47.2
21Logan47.6
22Bryan47.7
23Jefferson47.7
24Okfuskee47.8
25Pontotoc48.6

How this ranking works

This page ranks Oklahoma counties by flood risk, sorted so the lowest places appear first. Click any county to see its housing, schools, crime, and demographics in detail.

For flood risk, a lower value is generally more favorable, so the top of the list is the lowest. Want to weigh flood risk against schools, taxes, commute, and more at once? Use the live map to build a custom match.

Data comes from public sources. Source attribution and the exact data vintage are shown above and on the full map of flood risk.

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