Ohio drought risk

88 counties scored 0 rated Very High

Pickaway County has the highest drought risk in Ohio, scoring 83.4 out of 100 — rated "Relatively Moderate" by FEMA's National Risk Index.

# County NRI score Rating NOAA events
2016–2026
1 Pickaway County 83.4 Relatively Moderate 0
2 Highland County 78.8 Relatively Moderate 0
3 Fairfield County 77.4 Relatively Moderate 0
4 Fulton County 75.5 Relatively Moderate 0
5 Ross County 68.9 Relatively Moderate 0
6 Muskingum County 67.7 Relatively Moderate 0
7 Clinton County 67.5 Relatively Moderate 0
8 Licking County 66.1 Relatively Moderate 0
9 Fayette County 65.9 Relatively Moderate 0
10 Tuscarawas County 65.4 Relatively Moderate 0
11 Perry County 65 Relatively Moderate 0
12 Guernsey County 62.3 Relatively Low 0
13 Washington County 61.9 Relatively Low 0
14 Harrison County 60.3 Relatively Low 0
15 Franklin County 57.6 Relatively Low 0
16 Belmont County 56.4 Relatively Low 0
17 Morgan County 53.8 Relatively Low 0
18 Pike County 53.8 Relatively Low 0
19 Clark County 53.4 Relatively Low 0
20 Brown County 53.2 Relatively Low 0
21 Monroe County 52.7 Relatively Low 0
22 Champaign County 50.3 Relatively Low 0
23 Meigs County 49.4 Relatively Low 0
24 Warren County 47.5 Relatively Low 0
25 Greene County 46.7 Relatively Low 0
26 Butler County 46 Relatively Low 0
27 Williams County 45.2 Relatively Low 0
28 Carroll County 45 Relatively Low 0
29 Madison County 44.2 Relatively Low 0
30 Athens County 44.1 Relatively Low 0
31 Noble County 42.5 Relatively Low 0
32 Henry County 40.6 Relatively Low 0
33 Vinton County 40.4 Relatively Low 0
34 Adams County 40 Relatively Low 0
35 Lucas County 39 Relatively Low 0
36 Clermont County 37.3 Relatively Low 0
37 Union County 35.5 Relatively Low 0
38 Stark County 34.2 Relatively Low 0
39 Hocking County 32.5 Relatively Low 0
40 Miami County 32.3 Relatively Low 0
41 Hamilton County 32 Relatively Low 0
42 Jefferson County 31.8 Relatively Low 0
43 Gallia County 31.6 Relatively Low 0
44 Preble County 30.1 Very Low 0
45 Holmes County 29.1 Very Low 0
46 Jackson County 29 Very Low 0
47 Coshocton County 28.8 Very Low 0
48 Scioto County 28.4 Very Low 0
49 Defiance County 27.6 Very Low 0
50 Logan County 27.3 Very Low 0
51 Montgomery County 26.9 Very Low 0
52 Lawrence County 19.1 Very Low 0
53 Delaware County 14.4 Very Low 0
54 Wayne County 14.3 Very Low 0
55 Shelby County 12.6 Very Low 0
56 Allen County 0 No Rating 0
57 Ashland County 0 No Rating 0
58 Ashtabula County 0 No Rating 0
59 Auglaize County 0 No Rating 0
60 Columbiana County 0 No Rating 0
61 Crawford County 0 No Rating 0
62 Cuyahoga County 0 No Rating 0
63 Darke County 0 No Rating 0
64 Erie County 0 No Rating 0
65 Geauga County 0 No Rating 0
66 Hancock County 0 No Rating 0
67 Hardin County 0 No Rating 0
68 Huron County 0 No Rating 0
69 Knox County 0 No Rating 0
70 Lake County 0 No Rating 0
71 Lorain County 0 No Rating 0
72 Mahoning County 0 No Rating 0
73 Marion County 0 No Rating 0
74 Medina County 0 No Rating 0
75 Mercer County 0 No Rating 0
76 Morrow County 0 No Rating 0
77 Ottawa County 0 No Rating 0
78 Paulding County 0 No Rating 0
79 Portage County 0 No Rating 0
80 Putnam County 0 No Rating 0
81 Richland County 0 No Rating 0
82 Sandusky County 0 No Rating 0
83 Seneca County 0 No Rating 0
84 Summit County 0 No Rating 0
85 Trumbull County 0 No Rating 0
86 Van Wert County 0 No Rating 0
87 Wood County 0 No Rating 0
88 Wyandot County 0 No Rating 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.

Drought risk nationally:

Other hazard risks in Ohio:

Frequently asked questions

What is the highest drought risk county in Ohio?

Pickaway County, OH has the highest drought risk in Ohio, with a FEMA National Risk Index score of 83.4 out of 100 (rated "Relatively Moderate").

What causes drought risk in Ohio?

Drought risk captures expected annual losses from prolonged precipitation deficits affecting agriculture, water supply, and ecosystems. High scores cover the western Great Plains, Southwest, and California's Central Valley. Climate change is increasing drought frequency and severity across much of the US, with multi-year droughts becoming more common in the West.