Ohio wildfire risk
Adams County has the highest wildfire risk in Ohio, scoring 63 out of 100 — rated "Very Low" by FEMA's National Risk Index.
| # | County | NRI score | Rating |
NOAA events 2016–2026 |
|---|---|---|---|---|
| 1 | Adams County | 63 | Very Low | 0 |
| 2 | Brown County | 60.7 | Very Low | 0 |
| 3 | Highland County | 60.3 | Very Low | 0 |
| 4 | Cuyahoga County | 56.9 | Very Low | 0 |
| 5 | Lawrence County | 53.2 | Very Low | 0 |
| 6 | Summit County | 53.2 | Very Low | 0 |
| 7 | Stark County | 49 | Very Low | 0 |
| 8 | Mahoning County | 48.6 | Very Low | 0 |
| 9 | Ross County | 48.5 | Very Low | 0 |
| 10 | Hamilton County | 47.3 | Very Low | 0 |
| 11 | Holmes County | 46.9 | Very Low | 0 |
| 12 | Columbiana County | 46.8 | Very Low | 0 |
| 13 | Medina County | 46.6 | Very Low | 0 |
| 14 | Lorain County | 45.9 | Very Low | 0 |
| 15 | Montgomery County | 44.1 | Very Low | 0 |
| 16 | Trumbull County | 43.7 | Very Low | 0 |
| 17 | Licking County | 42.5 | Very Low | 0 |
| 18 | Geauga County | 42.3 | Very Low | 0 |
| 19 | Clermont County | 41.4 | Very Low | 0 |
| 20 | Butler County | 41.2 | Very Low | 0 |
| 21 | Belmont County | 40.7 | Very Low | 0 |
| 22 | Jefferson County | 40.5 | Very Low | 0 |
| 23 | Portage County | 39.2 | Very Low | 0 |
| 24 | Wayne County | 38.8 | Very Low | 0 |
| 25 | Tuscarawas County | 38.3 | Very Low | 0 |
| 26 | Warren County | 37.7 | Very Low | 0 |
| 27 | Lucas County | 36.5 | Very Low | 0 |
| 28 | Knox County | 36.2 | Very Low | 0 |
| 29 | Ashtabula County | 36.1 | Very Low | 0 |
| 30 | Richland County | 35.6 | Very Low | 0 |
| 31 | Gallia County | 34.8 | Very Low | 0 |
| 32 | Scioto County | 34.2 | Very Low | 0 |
| 33 | Muskingum County | 33.6 | Very Low | 0 |
| 34 | Guernsey County | 31.1 | Very Low | 0 |
| 35 | Greene County | 30.8 | Very Low | 0 |
| 36 | Ashland County | 30 | Very Low | 0 |
| 37 | Coshocton County | 29.9 | Very Low | 0 |
| 38 | Franklin County | 29.1 | Very Low | 0 |
| 39 | Lake County | 28.9 | Very Low | 0 |
| 40 | Delaware County | 26.7 | Very Low | 0 |
| 41 | Fairfield County | 26.3 | Very Low | 0 |
| 42 | Clark County | 25 | Very Low | 0 |
| 43 | Carroll County | 24.7 | Very Low | 0 |
| 44 | Pike County | 24.2 | Very Low | 0 |
| 45 | Erie County | 23 | Very Low | 0 |
| 46 | Noble County | 22.6 | Very Low | 0 |
| 47 | Washington County | 22.6 | Very Low | 0 |
| 48 | Miami County | 21 | Very Low | 0 |
| 49 | Jackson County | 20.4 | Very Low | 0 |
| 50 | Pickaway County | 18.6 | Very Low | 0 |
| 51 | Perry County | 18.4 | Very Low | 0 |
| 52 | Monroe County | 18.3 | Very Low | 0 |
| 53 | Harrison County | 17 | Very Low | 0 |
| 54 | Morrow County | 16.4 | Very Low | 0 |
| 55 | Huron County | 15.7 | Very Low | 0 |
| 56 | Ottawa County | 14 | Very Low | 0 |
| 57 | Preble County | 13.6 | Very Low | 0 |
| 58 | Wood County | 13.5 | Very Low | 0 |
| 59 | Athens County | 13.4 | Very Low | 0 |
| 60 | Hocking County | 12.7 | Very Low | 0 |
| 61 | Darke County | 12.3 | Very Low | 0 |
| 62 | Williams County | 12.1 | Very Low | 0 |
| 63 | Morgan County | 11.2 | Very Low | 0 |
| 64 | Shelby County | 10.3 | Very Low | 0 |
| 65 | Allen County | 9.4 | Very Low | 0 |
| 66 | Clinton County | 8.9 | Very Low | 0 |
| 67 | Meigs County | 8.4 | Very Low | 0 |
| 68 | Fulton County | 8.1 | Very Low | 0 |
| 69 | Defiance County | 6.9 | Very Low | 0 |
| 70 | Logan County | 6.7 | Very Low | 0 |
| 71 | Mercer County | 6.5 | Very Low | 0 |
| 72 | Sandusky County | 6.4 | Very Low | 0 |
| 73 | Auglaize County | 5.2 | Very Low | 0 |
| 74 | Fayette County | 5.1 | Very Low | 0 |
| 75 | Paulding County | 4.4 | Very Low | 0 |
| 76 | Union County | 4.1 | Very Low | 0 |
| 77 | Vinton County | 4 | Very Low | 0 |
| 78 | Marion County | 3.7 | Very Low | 0 |
| 79 | Henry County | 3.5 | Very Low | 0 |
| 80 | Champaign County | 3.4 | Very Low | 0 |
| 81 | Van Wert County | 3.4 | Very Low | 0 |
| 82 | Crawford County | 3.1 | Very Low | 0 |
| 83 | Madison County | 2.9 | Very Low | 0 |
| 84 | Seneca County | 2.8 | Very Low | 0 |
| 85 | Putnam County | 2.3 | Very Low | 0 |
| 86 | Hancock County | 1.9 | Very Low | 0 |
| 87 | Hardin County | 1.3 | Very Low | 0 |
| 88 | Wyandot County | 1 | Very Low | 0 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.
Wildfire risk nationally:
Other hazard risks in Ohio:
Frequently asked questions
What is the highest wildfire risk county in Ohio?
Adams County, OH has the highest wildfire risk in Ohio, with a FEMA National Risk Index score of 63 out of 100 (rated "Very Low").
What causes wildfire risk in Ohio?
Wildfire risk reflects expected annual losses to buildings, population, and agriculture from wildfire, adjusted for social vulnerability and community resilience. High scores cluster in the western US, where dry climate, fuel loads, and seasonal wind patterns combine with rapid suburban development into fire-prone terrain.