GIS Map
RankingsOhioLowest hazard risk counties

Counties with the Lowest Natural Hazard Risk in Ohio

The top 25 of 88 Ohio counties on GIS Map, ranked by lowest FEMA National Risk Index score (0-100, national percentile).

#CountyRisk Index score
1Harrison County
11.4
2Vinton County
11.8
3Noble County
13.5
4Wyandot County
17.4
5Morgan County
18.2
6Carroll County
19.9
7Van Wert County
20.1
8Paulding County
21.2
9Hardin County
24.4
10Morrow County
24.4
11Madison County
24.9
12Fayette County
25.9
13Perry County
26.0
14Champaign County
26.7
15Monroe County
27.3
16Mercer County
31.6
17Union County
32.7
18Putnam County
32.9
19Fulton County
33.6
20Henry County
33.8
21Clinton County
34.0
22Crawford County
35.2
23Jackson County
35.8
24Guernsey County
37.5
25Auglaize County
41.8

Source: FEMA National Risk Index (December 2025). All counties with data are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Counties with the Lowest Natural Hazard Risk in Ohio”, https://gismap.land/rankings/ohio/lowest-risk-counties. Figures from FEMA National Risk Index (December 2025).