16declarations
9major disasters
7emergencies
1965first on record
2020latest
By hazard
Snowstorm6
Flood5
Biological2
Tornado2
Hurricane1
By decade
21960s
31970s
11980s
21990s
42000s
22010s
22020s
Population: 310,289 in April 2020, 315,959 in July 2024 (Census Bureau estimates).
Declarations naming McHenry County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Mar 26, 2020 | DR-4489-IL | COVID-19 Pandemic | Biological | IHPPAHM | $2.33 billion |
| Mar 13, 2020 | EM-3435-IL | COVID-19 | Biological | PA | — |
| May 10, 2013 | DR-4116-IL | Severe Storms, Straight-Line Winds, and Flooding | Flood | IHPPAHM | $226.7 million |
| Mar 17, 2011 | DR-1960-IL | Severe Winter Storm and Snowstorm | Snowstorm | PAHM | $52.8 million |
| Mar 13, 2008 | EM-3283-IL | Record Snow and Near Record Snow | Snowstorm | PA | $5.0 million |
| Dec 29, 2006 | EM-3269-IL | Snow | Snowstorm | PA | $6.2 million |
| Sep 7, 2005 | EM-3230-IL | Hurricane Katrina Evacuation | Hurricane | PA | $4.4 million |
| Jan 17, 2001 | EM-3161-IL | Illinois Winter Snow Storms | Snowstorm | PA | $16.5 million |
| Jan 8, 1999 | EM-3134-IL | Il-Winter Storm 1/1/99 | Snowstorm | PA | $25.5 million |
| Jul 9, 1993 | DR-997-IL | Severe Storms & Flooding | Flood | IAPA | — |
| Oct 7, 1986 | DR-776-IL | Severe Storms & Flooding | Flood | IAPA | — |
| Jan 16, 1979 | EM-3068-IL | Blizzards & Snowstorms | Snowstorm | PA | — |
| Jun 10, 1974 | DR-438-IL | Severe Storms & Flooding | Flood | IAPA | — |
| Apr 26, 1973 | DR-373-IL | Severe Storms & Flooding | Flood | IAPA | — |
| Apr 25, 1967 | DR-227-IL | Tornadoes | Tornado | IAPA | — |
| Apr 25, 1965 | DR-194-IL | Tornadoes, Severe Storms & Flooding | Tornado | IAPA | — |