1,021
Recorded events
72
Counties affected
25
Direct deaths
$26.2M
Property damage
Oklahoma flood history: 1,021 recorded events across 72 counties between 1997 and 2026.
Decade by decade
Oklahoma flood history by decade
The 2010s are the busiest decade on record with 380 reported flood events across Oklahoma. Earlier decades are thinner because systematic reporting for this hazard expanded over time, not because the weather was calmer.
County ranking
Counties with the most flood events in Oklahoma
| Rank | County | Events | Deaths | Damage | Span |
|---|---|---|---|---|---|
| #1 | Ottawa County | 83 | 0 | $20.0M | 2007–2024 |
| #2 | Le Flore County | 63 | 1 | $0 | 2008–2023 |
| #3 | Tulsa County | 55 | 7 | $8K | 1999–2025 |
| #4 | Cherokee County | 44 | 0 | $75K | 1999–2022 |
| #5 | Adair County | 36 | 1 | $0 | 2008–2023 |
| #6 | Oklahoma County | 26 | 0 | $45K | 1999–2025 |
| #7 | Okmulgee County | 26 | 0 | $50K | 1999–2025 |
| #8 | Cleveland County | 20 | 0 | $55K | 2007–2025 |
| #9 | Nowata County | 18 | 0 | $250K | 2007–2020 |
| #10 | Muskogee County | 17 | 2 | $26K | 1999–2024 |
| #11 | Pushmataha County | 16 | 0 | $0 | 2008–2019 |
| #12 | Comanche County | 14 | 0 | $0 | 2007–2026 |
| #13 | Creek County | 13 | 1 | $0 | 2008–2022 |
| #14 | Pittsburg County | 13 | 1 | $10K | 2010–2018 |
| #15 | McCurtain County | 11 | 1 | $0 | 2009–2025 |
| #16 | Washington County | 11 | 0 | $1.0M | 2007–2019 |
| #17 | Pottawatomie County | 10 | 0 | $200K | 2007–2025 |
| #18 | Osage County | 10 | 0 | $150K | 1999–2021 |
| #19 | Sequoyah County | 10 | 0 | $50K | 2015–2023 |
| #20 | Mayes County | 9 | 1 | $0 | 2009–2022 |
| #21 | Garvin County | 8 | 0 | $150K | 2014–2025 |
| #22 | Tillman County | 8 | 0 | $10K | 2006–2025 |
| #23 | Okfuskee County | 7 | 0 | $100K | 2015–2025 |
| #24 | Garfield County | 7 | 0 | $30K | 2007–2024 |
| #25 | Lincoln County | 6 | 1 | $10K | 1999–2024 |
Significant events
Deadliest flood events in Oklahoma
| Date | County | Scale | Deaths | Injuries |
|---|---|---|---|---|
| May 22, 2019 | Tulsa County | — | 2 | 0 |
| May 24, 2015 | McIntosh County | — | 2 | 0 |
| Apr 20, 2025 | Tulsa County | — | 2 | 0 |
| Nov 9, 2024 | Muskogee County | — | 2 | 0 |
| Oct 7, 2018 | Johnston County | — | 2 | 0 |
| May 21, 2019 | Lincoln County | — | 1 | 0 |
| May 1, 2019 | Tulsa County | — | 1 | 0 |
| Apr 1, 2022 | McCurtain County | — | 1 | 0 |
| Apr 2, 2024 | Tulsa County | — | 1 | 0 |
| Feb 21, 2018 | Adair County | — | 1 | 0 |