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FIPS 46037 · population 5,408 (2024)
Day County, South Dakota
Day County has been named in 25 federal declarations. Statewide declarations for South Dakota (35) are listed on the state page.
25declarations
22major disasters
3emergencies
1976first on record
2026latest
By hazard
Severe Storm11
Flood9
Biological2
Winter Storm1
Coastal Storm1
Drought1
By decade
11970s
11980s
61990s
52000s
62010s
62020s
Population: 5,444 in April 2020, 5,408 in July 2024 (Census Bureau estimates).
Declarations naming Day County
| Declared | Number | Title | Hazard | Programs | Federal aid |
|---|---|---|---|---|---|
| Sep 1, 2026 | DR-4938-SD | Severe Storms, Straight-Line Winds, Tornadoes, and Flooding | Severe Storm | PA | — |
| Jul 6, 2023 | DR-4718-SD | Flooding | Flood | PAHM | $6.7 million |
| Feb 27, 2023 | DR-4689-SD | Severe Winter Storms and Snowstorm | Winter Storm | PAHM | $2.8 million |
| Jun 29, 2022 | DR-4656-SD | Severe Storm, Straight-Line Winds, Tornadoes, and Flooding | Severe Storm | PAHM | $15.9 million |
| Apr 5, 2020 | DR-4527-SD | COVID-19 Pandemic | Biological | IHPPAHM | $52.8 million |
| Mar 13, 2020 | EM-3475-SD | COVID-19 | Biological | PA | — |
| Nov 18, 2019 | DR-4469-SD | Severe Storms, Tornadoes, and Flooding | Severe Storm | IHPPAHM | $29.9 million |
| Jun 7, 2019 | DR-4440-SD | Severe Winter Storm, Snowstorm, and Flooding | Flood | IHPPAHM | $73.3 million |
| Feb 1, 2017 | DR-4298-SD | Severe Winter Storm | Severe Storm | PAHM | $11.3 million |
| May 13, 2011 | DR-1984-SD | Flooding | Flood | IHPPAHM | $64.6 million |
| May 13, 2010 | DR-1915-SD | Flooding | Flood | PAHM | $24.3 million |
| Mar 10, 2010 | DR-1887-SD | Severe Winter Storm | Severe Storm | PAHM | $58.3 million |
| Jun 16, 2009 | DR-1844-SD | Severe Storms and Flooding | Severe Storm | PAHM | $6.0 million |
| May 22, 2007 | DR-1702-SD | Severe Storms, Tornadoes, and Flooding | Severe Storm | IHPIAPAHM | $15.2 million |
| Dec 20, 2005 | DR-1620-SD | Severe Winter Storm | Severe Storm | PAHM | $26.3 million |
| Sep 10, 2005 | EM-3234-SD | Hurricane Katrina Evacuation | Coastal Storm | PA | $219,506 |
| May 17, 2001 | DR-1375-SD | Severe Winter Storms, Flooding, and Ice Jams | Flood | PAHM | $5.8 million |
| Jun 1, 1998 | DR-1218-SD | Flooding, Severe Storms, Tornadoes | Flood | IAPA | — |
| Apr 7, 1997 | DR-1173-SD | Severe Flooding, Sever Winter Storms,heavy Rains High Winds | Flood | IAPA | — |
| Jan 10, 1997 | DR-1156-SD | Severe Winter Storms and Blizzard Conditions | Severe Storm | PA | — |
| May 26, 1995 | DR-1052-SD | Flooding | Flood | IAPA | — |
| Jun 21, 1994 | DR-1031-SD | Severe Storms and Flooding | Severe Storm | PA | — |
| Jul 19, 1993 | DR-999-SD | Severe Storms, Tornadoes & Flooding | Severe Storm | IAPA | — |
| May 3, 1986 | DR-764-SD | Severe Storms & Flooding | Flood | PA | — |
| Jun 17, 1976 | EM-3015-SD | Drought | Drought | PA | — |