Drought Risk in Michigan
All Michigan counties ranked by FEMA National Risk Index drought score
Drought risk — extended dry periods that stress water supplies and agriculture — is rated for 18 of 83 Michigan counties in FEMA's National Risk Index. St. Joseph County carries the state's highest drought score at 62.0, with $296K in expected annual drought losses.
No Michigan county reaches the High band for drought, and expected annual losses from drought total roughly $668K statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Drought
| # | County | Drought Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | St. Joseph County | Low | 0.78 / yr | $296K | |
| 2 | Branch County | Low | 0.84 / yr | $239K | |
| 3 | Lenawee County | Low | 0.49 / yr | $51K | |
| 4 | Hillsdale County | Low | 0.34 / yr | $36K | |
| 5 | Iron County | Very Low | 3.15 / yr | $8K | |
| 6 | Cass County | Very Low | 0.24 / yr | $7K | |
| 7 | Ontonagon County | Very Low | 2.88 / yr | $6K | |
| 8 | Delta County | Very Low | 1.52 / yr | $5K | |
| 9 | Baraga County | Very Low | 2.92 / yr | $3K | |
| 10 | Houghton County | Very Low | 2.49 / yr | $5K | |
| 11 | Dickinson County | Very Low | 2.64 / yr | $4K | |
| 12 | Menominee County | Very Low | 1.25 / yr | $3K | |
| 13 | Marquette County | Very Low | 2.86 / yr | $2K | |
| 14 | Alger County | Very Low | 1.34 / yr | $1K | |
| 15 | Gogebic County | Very Low | 2.60 / yr | $129 | |
| 16 | Schoolcraft County | Very Low | 0.55 / yr | $133 | |
| 17 | Luce County | Very Low | 0.19 / yr | $92 | |
| 18 | Keweenaw County | Very Low | 1.56 / yr | $3 |
18 Michigan counties with measurable drought risk. See the national drought ranking or all Michigan counties by overall risk.
Frequently Asked Questions
Which Michigan county has the highest drought risk?
St. Joseph County has the highest FEMA drought risk score in Michigan at 62.0 (Low), with $296K in expected annual losses and about 0.78 events per year.
How many Michigan counties face significant drought risk?
18 Michigan counties record measurable drought risk in FEMA's National Risk Index; 0 of them are rated High or Very High.