Scott County, IA
FEMA National Risk Index scores, disaster declarations & hazard data
Scott County has experienced 20 federally declared disasters since 1965, most recently Severe Storms, Flooding, Straight-Line Winds, And Tornadoes in 2024. Its overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Scott County's highest-rated hazards are strong wind, hail, and inland flooding, with its top risk rated "Relatively High" by FEMA's National Risk Index. NOAA records 158 storm events in the county over the past decade.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. Scott County has been designated in 20 declarations since 1965, covering 4 disaster types including flood (11), severe storm (6), biological (2).
| Year | Type | Event name |
|---|---|---|
| 2024 | Severe Storm | Severe Storms, Flooding, Straight-Line Winds, And Tornadoes |
| 2023 | Flood | Flooding |
| 2020 | Severe Storm | Severe Storms |
| 2020 | Biological | Covid-19 Pandemic |
| 2020 | Biological | Covid-19 |
| 2019 | Flood | Severe Storms And Flooding |
| 2008 | Severe Storm | Severe Storms, Tornadoes, And Flooding |
| 2005 | Hurricane | Hurricane Katrina Evacuation |
| 2004 | Severe Storm | Severe Storms, Tornadoes, And Flooding |
| 2002 | Flood | Severe Storms And Flooding |
Showing the 10 most recent of 20 total declarations since 1965.
Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Very Low | 52.2 | 0 | 0 | — |
| Inland Flooding | Relatively Moderate | 88.4 | 34 | 0 | — |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Relatively Low | 75.1 | — | — | — |
| Heat Wave | Relatively Moderate | 86.9 | 0 | 0 | — |
| Tornado | Relatively Moderate | 82.9 | 21 | 0 | $52K |
| Hurricane | Very Low | 17.4 | 0 | 0 | — |
| Hail | Relatively High | 96.1 | 106 | 0 | — |
| Strong Wind | Relatively High | 96.4 | 0 | 0 | — |
| Winter Weather | Relatively High | 88.2 | 0 | 0 | — |
| Ice Storm | Relatively High | 85.2 | — | — | — |
| Cold Wave | Relatively Moderate | 80.7 | — | — | — |
| Lightning | Relatively High | 83.5 | 0 | 0 | — |
| Drought | Relatively Moderate | 83.3 | 0 | 0 | — |
| Landslide | Relatively Low | 71 | 0 | 0 | — |
| Avalanche | Not Applicable | — | — | — | — |
| Tsunami | Not Applicable | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
Scott County ranks in the 33rd percentile (Low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.
| SVI theme | Percentile | Vulnerability level |
|---|---|---|
| Overall | 33rd | Low |
| Socioeconomic status | 19th | Very low |
| Household characteristics | 48th | Low |
| Racial & ethnic minority status | 56th | Moderate |
| Housing type & transportation | 45th | Low |
Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.
Future risk outlook
| Wildfire metric | National percentile | Level |
|---|---|---|
| Burn probability | 33rd | Relatively Low |
| Risk to homes | 31st | Relatively Low |
| Buildings in direct exposure zone | 14.6% | — |
NOAA tracked 158 weather events in this county over 2016–2025: 77 in 2016–20 vs 81 in 2021–25 (+5% — relatively stable).
Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.
Nearby counties
Frequently asked questions
What natural hazards pose the greatest risk in Scott County?
According to the FEMA National Risk Index, the highest-risk hazards in Scott County, Iowa are strong wind, hail, and inland flooding. The county's overall natural hazard risk is rated Relatively Moderate — near the middle compared to other US counties.
Has Scott County received federal disaster declarations?
Yes. Scott County has received 20 federal disaster declarations since 1965, including declarations in 2024. The most common disaster type on record is flood (11 declarations).
Has Scott County had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for Scott County include Severe Storms, Flooding, Straight-Line Winds, And Tornadoes (2024). See the declarations table above for the full history since 1965.
How does Scott County's natural hazard risk compare to nearby counties?
Among neighboring counties, Rock Island County, IL has the highest overall natural hazard risk (Relatively Moderate) and Mercer County, IL has the lowest (Very Low). Scott County is rated Relatively Moderate overall.
How is Scott County's composite disaster risk index calculated?
Scott County's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. Scott County's composite score of 85 means its overall natural hazard risk is higher than 85% of US counties.