23declarations
16major disasters
7emergencies
1971first on record
2026latest
By hazard
Hurricane6
Snowstorm5
Flood5
Severe Storm4
Biological2
Winter Storm1
By decade
51970s
51990s
42000s
62010s
32020s
Population: 271,720 in April 2020, 299,317 in July 2024 (Census Bureau estimates).
Declarations naming Frederick County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Jan 24, 2026 | EM-3634-MD | Severe Winter Storm | Winter Storm | PA | — |
| Mar 26, 2020 | DR-4491-MD | COVID-19 Pandemic | Biological | IHPPAHM | $3.38 billion |
| Mar 13, 2020 | EM-3430-MD | COVID-19 | Biological | PA | — |
| Jun 25, 2018 | DR-4374-MD | Severe Storms and Flooding | Severe Storm | PAHM | $9.3 million |
| Mar 4, 2016 | DR-4261-MD | Severe Winter Storm and Snowstorm | Snowstorm | PAHM | $80.4 million |
| Nov 20, 2012 | DR-4091-MD | Hurricane Sandy | Hurricane | IHPPAHM | $37.7 million |
| Oct 28, 2012 | EM-3349-MD | Hurricane Sandy | Hurricane | PA | — |
| Aug 27, 2011 | EM-3335-MD | Hurricane Irene | Hurricane | PA | $5.2 million |
| May 6, 2010 | DR-1910-MD | Severe Winter Storms and Snowstorms | Snowstorm | PAHM | $64.4 million |
| Sep 13, 2005 | EM-3251-MD | Hurricane Katrina Evacuation | Hurricane | PA | $1.6 million |
| Sep 19, 2003 | DR-1492-MD | Hurricane Isabel | Hurricane | IHPIAPAHM | $79.1 million |
| Mar 14, 2003 | EM-3179-MD | Snow | Severe Storm | PA | $19.1 million |
| Apr 10, 2000 | DR-1324-MD | Severe Winter Storm | Severe Storm | PAHM | $12.5 million |
| Sep 17, 1996 | DR-1139-MD | Severe Storms and Flooding Assoc With Tropical Storm Fran | Hurricane | IAPA | — |
| Jan 23, 1996 | DR-1094-MD | Severe Storms and Flooding | Flood | IAPA | — |
| Jan 11, 1996 | DR-1081-MD | Blizzard of 96 (Severe Snow Storm) | Snowstorm | PA | — |
| Mar 16, 1994 | DR-1016-MD | Severe Winter Weather and Ice Storms | Snowstorm | PA | — |
| Mar 16, 1993 | EM-3100-MD | Severe Snowfall & Winter Storm | Snowstorm | PA | — |
| Sep 14, 1979 | DR-601-MD | Severe Storms, Tornadoes & Flooding | Severe Storm | IAPA | — |
| Oct 14, 1976 | DR-522-MD | Severe Storms & Flooding | Flood | IAPA | — |
| Oct 4, 1975 | DR-489-MD | Heavy Rains & Flooding | Flood | IAPA | — |
| Jun 23, 1972 | DR-341-MD | Tropical Storm Agnes | Flood | IAPA | — |
| Aug 17, 1971 | DR-309-MD | Severe Storms & Flooding | Flood | IAPA | — |