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Biological history in Ohio

Ohio has 176 county-level biological declarations across 88 counties. Adams County leads with 2 declarations. Total tracked FEMA obligations for biological events in this state: $767.1M.

This page shows every Ohio county in Ohio that has at least one FEMA biological declaration on record, ranked by how many times that hazard type triggered federal aid. Counties near the top of this list have recurring exposure to biological events — useful context for anyone evaluating property risk, insurance needs, or emergency planning in the area.

For the full national view of biological declarations across all states, see the biological disaster type page. For all hazard types in Ohio, see the Ohio state page.

Biological in Ohio

Counties ranked by biological declaration count

#CountyDeclarationsTracked aid
1Adams County2$325K
2Allen County2$12.5M
3Ashland County2$541K
4Ashtabula County2$1.5M
5Athens County2$8.1M
6Auglaize County2$349K
7Belmont County2$408K
8Brown County2$233K
9Butler County2$9.7M
10Carroll County2$130K
11Champaign County2$208K
12Clark County2$1.9M
13Clermont County2$1.5M
14Clinton County2$461K
15Columbiana County2$1.3M
16Coshocton County2$342K
17Crawford County2$771K
18Cuyahoga County2$249.6M
19Darke County2$364K
20Defiance County2$593K
21Delaware County2$2.7M
22Erie County2$1.1M
23Fairfield County2$10.9M
24Fayette County2$218K
25Franklin County2$170.7M
26Fulton County2$348K
27Gallia County2$1.0M
28Geauga County2$1.4M
29Greene County2$2.2M
30Guernsey County2$545K
31Hamilton County2$55.6M
32Hancock County2$6.1M
33Hardin County2$219K
34Harrison County2$96K
35Henry County2$315K
36Highland County2$2.8M
37Hocking County2$301K
38Holmes County2$327K
39Huron County2$648K
40Jackson County2$253K
41Jefferson County2$1.9M
42Knox County2$1.4M
43Lake County2$11.9M
44Lawrence County2$252K
45Licking County2$2.3M
46Logan County2$627K
47Lorain County2$3.8M
48Lucas County2$16.0M
49Madison County2$192K
50Mahoning County2$5.4M
51Marion County2$1.4M
52Medina County2$1.1M
53Meigs County2$167K
54Mercer County2$288K
55Miami County2$1.6M
56Monroe County2$81K
57Montgomery County2$66.3M
58Morgan County2$129K
59Morrow County2$129K
60Muskingum County2$9.4M
61Noble County2$97K
62Ottawa County2$898K
63Paulding County2$112K
64Perry County2$211K
65Pickaway County2$622K
66Pike County2$237K
67Portage County2$2.2M
68Preble County2$214K
69Putnam County2$284K
70Richland County2$1.9M
71Ross County2$4.1M
72Sandusky County2$1.1M
73Scioto County2$1.5M
74Seneca County2$509K
75Shelby County2$552K
76Stark County2$13.3M
77Summit County2$19.1M
78Trumbull County2$2.8M
79Tuscarawas County2$1.2M
80Union County2$758K
81Van Wert County2$355K
82Vinton County2$79K
83Warren County2$1.8M
84Washington County2$36.6M
85Wayne County2$1.1M
86Williams County2$444K
87Wood County2$2.2M
88Wyandot County2$113K