Ohio Natural Disaster Risk by County
FEMA National Risk Index rankings for all 88 counties
Counties
88
All ranked by NRI score
State Avg. Score
55.0
Medium risk
Total State EAL
$3.06B
Expected annual losses
Highest Risk
Franklin
Score 98.1 · High
Ohio spans 88 counties with an average FEMA National Risk Index score of 55.0 (moderate risk) and roughly $3.06B in combined expected annual loss statewide. 3 counties are rated High or Very High risk.
Leading the state for risk is Franklin County (score 98.1, high), while Harrison County (score 11.4) carries the lowest. Use the table below to compare every county by score, top hazard, and expected annual loss.
County Rankings
| # | County | Risk Score | Risk Rating | Top Hazard | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Franklin County | High | Cold Wave | $331M | |
| 2 | Cuyahoga County | High | Cold Wave | $282M | |
| 3 | Hamilton County | High | Tornado | $221M | |
| 4 | Montgomery County | Medium | Strong Wind | $119M | |
| 5 | Lucas County | Medium | Tornado | $111M | |
| 6 | Butler County | Medium | Tornado | $120M | |
| 7 | Summit County | Medium | Hail | $102M | |
| 8 | Stark County | Medium | Hail | $77M | |
| 9 | Lorain County | Medium | Strong Wind | $66M | |
| 10 | Trumbull County | Medium | Strong Wind | $44M | |
| 11 | Mahoning County | Medium | Hail | $43M | |
| 12 | Licking County | Low | Hail | $48M | |
| 13 | Delaware County | Low | Hail | $69M | |
| 14 | Clermont County | Low | Lightning | $47M | |
| 15 | Warren County | Low | Ice Storm | $62M | |
| 16 | Lake County | Low | Winter Weather | $42M | |
| 17 | Clark County | Low | Ice Storm | $33M | |
| 18 | Greene County | Low | Cold Wave | $42M | |
| 19 | Belmont County | Low | Lightning | $29M | |
| 20 | Allen County | Low | Earthquake | $32M | |
| 21 | Fairfield County | Low | Ice Storm | $39M | |
| 22 | Lawrence County | Low | Heat Wave | $27M | |
| 23 | Muskingum County | Low | Landslide | $29M | |
| 24 | Scioto County | Low | Heat Wave | $27M | |
| 25 | Columbiana County | Low | Hail | $25M | |
| 26 | Medina County | Low | Winter Weather | $35M | |
| 27 | Tuscarawas County | Low | Hail | $21M | |
| 28 | Athens County | Low | Landslide | $25M | |
| 29 | Jefferson County | Low | Landslide | $22M | |
| 30 | Wood County | Low | Ice Storm | $43M | |
| 31 | Portage County | Low | Hail | $29M | |
| 32 | Wayne County | Low | Hail | $22M | |
| 33 | Washington County | Low | Landslide | $22M | |
| 34 | Ross County | Low | Landslide | $21M | |
| 35 | Ashtabula County | Low | Winter Weather | $19M | |
| 36 | Brown County | Low | Landslide | $18M | |
| 37 | Erie County | Low | Winter Weather | $21M | |
| 38 | Miami County | Low | Earthquake | $29M | |
| 39 | Richland County | Low | Ice Storm | $22M | |
| 40 | Marion County | Low | Cold Wave | $20M | |
| 41 | Knox County | Low | Hail | $19M | |
| 42 | Holmes County | Low | Hail | $12M | |
| 43 | Geauga County | Low | Winter Weather | $20M | |
| 44 | Ottawa County | Low | Strong Wind | $22M | |
| 45 | Sandusky County | Low | Hail | $20M | |
| 46 | Shelby County | Low | Earthquake | $18M | |
| 47 | Hancock County | Low | Hail | $31M | |
| 48 | Logan County | Low | Hail | $19M | |
| 49 | Meigs County | Low | Landslide | $12M | |
| 50 | Darke County | Low | Tornado | $20M | |
| 51 | Pickaway County | Low | Drought | $18M | |
| 52 | Huron County | Low | Lightning | $17M | |
| 53 | Coshocton County | Low | Landslide | $11M | |
| 54 | Gallia County | Low | Landslide | $12M | |
| 55 | Hocking County | Low | Landslide | $14M | |
| 56 | Seneca County | Low | Hail | $16M | |
| 57 | Ashland County | Low | Hail | $15M | |
| 58 | Williams County | Low | Strong Wind | $12M | |
| 59 | Adams County | Low | Riverine Flood | $13M | |
| 60 | Preble County | Low | Strong Wind | $15M | |
| 61 | Highland County | Low | Drought | $13M | |
| 62 | Pike County | Low | Landslide | $11M | |
| 63 | Defiance County | Very Low | Hail | $16M | |
| 64 | Auglaize County | Very Low | Earthquake | $15M | |
| 65 | Guernsey County | Very Low | Landslide | $9M | |
| 66 | Jackson County | Very Low | Landslide | $8M | |
| 67 | Crawford County | Very Low | Ice Storm | $12M | |
| 68 | Clinton County | Very Low | Ice Storm | $12M | |
| 69 | Henry County | Very Low | Hail | $13M | |
| 70 | Fulton County | Very Low | Drought | $12M | |
| 71 | Putnam County | Very Low | Hail | $14M | |
| 72 | Union County | Very Low | Ice Storm | $19M | |
| 73 | Mercer County | Very Low | Earthquake | $18M | |
| 74 | Monroe County | Very Low | Landslide | $6M | |
| 75 | Champaign County | Very Low | Ice Storm | $11M | |
| 76 | Perry County | Very Low | Landslide | $8M | |
| 77 | Fayette County | Very Low | Ice Storm | $10M | |
| 78 | Madison County | Very Low | Ice Storm | $11M | |
| 79 | Hardin County | Very Low | Lightning | $11M | |
| 80 | Morrow County | Very Low | Ice Storm | $9M | |
| 81 | Paulding County | Very Low | Hail | $8M | |
| 82 | Van Wert County | Very Low | Strong Wind | $9M | |
| 83 | Carroll County | Very Low | Landslide | $6M | |
| 84 | Morgan County | Very Low | Landslide | $7M | |
| 85 | Wyandot County | Very Low | Ice Storm | $8M | |
| 86 | Noble County | Very Low | Landslide | $5M | |
| 87 | Vinton County | Very Low | Landslide | $4M | |
| 88 | Harrison County | Very Low | Landslide | $4M |
All 88 Ohio counties, ranked by FEMA National Risk Index score.
Frequently Asked Questions
Which Ohio county has the highest natural disaster risk?
Franklin County has the highest FEMA National Risk Index score in Ohio at 98.1 (High), driven largely by cold wave.
What is the average natural disaster risk in Ohio?
Ohio counties average a National Risk Index score of 55.0 across 88 counties, with 3 rated High or Very High risk.
How much are expected annual losses across Ohio?
FEMA estimates roughly $3.06B in combined expected annual loss from natural hazards across all Ohio counties.