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Iowa · FEMA + NOAA + National Risk Index

Floyd County, IA

20 FEMA disaster declarations (1965-2024), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Flood.

20
FEMA declarations
18
Major disasters
48
NRI risk · Relatively Low
Flood
Top hazard

The verdict

Two federal records point in the busier direction for Floyd County. Its 20 FEMA declarations are 4% above the Iowa county mean and exceed the count for 46% of the 3,266 counties in this registry. Separately, FEMA's National Risk Index places it safer than 48%, based on modeled expected annual loss, social vulnerability, and community resilience.

Safer than 48%
of U.S. counties for FEMA National Risk Index score
Relatively Low
FEMA National Risk Index rating
20
FEMA declarations vs 21 national county avg
264
NFIP flood insurance claims filed

FEMA's National Risk Index and its declaration registry are separate measures. This county's registry includes Major Disaster (DR) and Emergency (EM) records; an EM authorizes a narrower set of federal assistance than a DR.

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FEMA OpenFEMA declaration desk

County FIPS 19067 · Floyd County 20 declarations · rank 1674/3,266

DECL-HEAVY · MAJOR-HEAVY · RANK-LOWER · PHOTO-FINISH · NRI-LOW · ACT-HIGH · TYPE-LEAD · VS-ST-ABOVE

  • DECL-HEAVY 20
  • MAJOR-HEAVY 90%
  • RANK-LOWER #1,674
  • PHOTO-FINISH Monona
  • NRI-LOW 48
  • ACT-HIGH High
  • TYPE-LEAD Flood
  • VS-ST-ABOVE +4%

Nearest declaration peer: Monona, IA (0 declaration gap)

FEMA Disaster Declarations Summaries v2 filing stamps for this county register. Read with this county → · Iowa state profile

Floyd County in the declaration-count neighbourhood

FEMA declaration records among Floyd County and nearest peers by total count

declarations

What this shows Floyd County carries 20 FEMA declaration records, ranked 1674 of 3,266 counties in this registry.

Source FEMA OpenFEMA Disaster Declarations Summaries v2 As of 2026-08-25

How Floyd County's FEMA declaration count compares nationally

Floyd County vs. all counties in this dataset

FEMA disaster declarations, all-time · Floyd County

20 46th percentile higher than 46% of 3,266 counties

This county 0 90 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-08-25

Floyd County's FEMA Risk Index score

0/100100/100Iowa avg40/10047.7/100
FEMA National Risk Index composite score vs. the Iowa county average

Which hazard drives modeled loss here?

FEMA's modeled annual dollar loss for Floyd County is led by Riverine Flooding (about $7.7M Expected Annual Loss, Historical Loss Ratio Relatively High), while Drought carries the highest National Risk Index rating (Relatively High). EAL and risk score use different inputs; they need not agree.

Source: FEMA National Risk Index (December 2025 release) - Expected Annual Loss vs composite risk rating by hazard.

What does Floyd County's hazard record show?

Reading the federal records together

The NFIP claims register shows a middle-volume loss record here: 264 paid claims, totaling $4.5M. PlainHazard uses 50-499 claims for this descriptive band; FEMA does not publish it as a safety or coverage category. The $16.9K average describes payments on recorded claims only, leaving uninsured damage and properties without a claim outside the measure.

The declaration register points in the busier direction. Floyd County's 20 federal records stand 4% above the Iowa county mean of 19.3. That comparison describes how often federal action was recorded, including any Major Disaster, Emergency, and Fire Management entries shown on this page; it does not convert the count into future probability.

FEMA National Risk Index

FEMA's data shows an elevated National Risk Index composite of 47.7/100 for this county (Relatively Low rating). Expected Annual Loss comes in at Relatively Low (roughly $14.6M in annualized losses). Social vulnerability (Relatively Moderate) and community resilience (Very High) both factor into how that raw exposure plays out on the ground. Of the 18 hazards FEMA models, Drought stands out as the sharpest exposure here, rated Relatively High. FEMA's modeled frequency puts that hazard at 23 modeled event-days per year here, based on 609 historical events on record.

63 /100

Historical Activity Index

High historical activity

Floyd County, IA · PlainHazard-derived composite from federal records

This 0–100 index is an explicit PlainHazard composite from FEMA declaration history only on the county surface (this DB has no county-level NOAA damage row) . It is not FEMA's National Risk Index, not a forecast, and not a safety, insurance, or preparedness rating. Open the calculator · Methodology

FEMA Declarations (1953–present) Moderate
14/30

20 OpenFEMA declarations, full ingest window (1.0x national county average)

County Disaster Density High
13/25

20 declarations (1.0x state county average of 19)

Major Disaster Share Very High
23/25

18 of 20 declarations are major disasters (90%)

Hazard Diversity High
13/20

5 different disaster types declared in Floyd County

FEMA NRI 8-hazard radar - Floyd County

Floyd County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard scores for Earthquake 8, Flood 25, Hurricane 8, Tornado 48, Wildfire 8, Drought 70, Heat Wave 8, Winter Storm 48. The simple mean of these eight displayed scores is 28 of 100. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 28 8-hazard mean
Floyd County NRI risk profile FIPS 19067 · displayed-hazard mean 28/100
How to read this radar

Each axis: NRI risk rating (Very Low-Very High) on a 0-100 scale. Rounder = broad exposure; spiky = one or two hazards dominate.

FEMA Records

20

Above median

Major Disaster share

90%

Mostly major

NRI risk score

48

Relatively Low

Source: FEMA National Risk Index Per-county per-hazard ratings, December 2025 release

How often does each hazard strike Floyd County?

FEMA's National Risk Index models a historical event count and an annualized frequency for each hazard type. Most hazards are expressed as modeled occurrences per year; FEMA expresses drought and heat-wave frequency as event-days per year. These modeled frequencies are not forecasts.

Hazard NRI Risk Rating Recurrence
Drought Relatively High 23 modeled event-days per year
Hail Relatively Moderate an average of 4.5 times per year
Tornado Relatively Moderate roughly once every 2 years
Winter Weather Relatively Moderate an average of 18 times per year
Riverine Flooding Relatively Low an average of 1.8 times per year
Cold Wave Relatively Low an average of 9.7 times per year
Strong Wind Relatively Low an average of 4.1 times per year
Landslide Very Low roughly once every 19 years
Wildfire Very Low roughly once every 5,843 years
Ice Storm Relatively Low roughly once every 2 years
Heat Wave Very Low 3.9 modeled event-days per year
Lightning Very Low an average of 41 times per year
Hurricane Very Low roughly once every 100 years
Earthquake Very Low roughly once every 2,160 years

Source: FEMA National Risk Index Modeled annualized frequency; drought and heat wave use event-days/year, December 2025 release

Disaster Types

Severe Storm 8
Flood 8
Biological 2
Hurricane 1
Tornado 1

What Flood declarations mean here

Flood is the most frequent declaration type on Floyd County's record, 40% of its declarations. Federal flood declarations cover two mechanisms that behave very differently: riverine flooding, which builds over days as a watershed drains and is usually forecast well in advance, and flash flooding, which can arrive in under an hour from rainfall that fell somewhere upstream.

Flood is also the one hazard class where a second federal dataset exists for the same events. The National Flood Insurance Program records what was actually paid on insured losses, so it measures a narrower thing than the declaration count: uninsured damage, and flooding outside mapped special flood hazard areas, never enters it. Reading the two together is more informative than either alone.

Declaration counts describe past federal action. They are a record of what was declared, not a forecast of future hazard probability.

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Major Disaster - 18 90.0%

of all 20 declarations

Emergency - 2 10.0%

of all 20 declarations

FEMA Declarations Timeline

Year Declarations
2024 1
2022 1
2020 2
2019 1
2018 1
2017 1
2016 1
2013 1
2008 1
2007 1
2005 1
2004 1
1999 1
1998 1
1993 2
Show 3 earlier declaration years
1969 1
1968 1
1965 1

Disaster Declarations

How the 20 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.

Download these 20 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.

DR# Title Type Incident Date
4796 SEVERE STORMS, FLOODING, STRAIGHT-LINE WINDS, AND TORNADOES DR Severe Storm 2024-06-24
4642 SEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADOES DR Severe Storm 2022-02-23
4483 COVID-19 PANDEMIC DR Biological 2020-03-23
3480 COVID-19 EM Biological 2020-03-13
4421 SEVERE STORMS AND FLOODING DR Flood 2019-03-23
4386 SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING DR Severe Storm 2018-08-20
4289 SEVERE STORMS AND FLOODING DR Flood 2016-10-31
4281 SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING DR Flood 2016-09-29
4126 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2013-07-02
1763 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2008-05-27
1688 SEVERE WINTER STORMS DR Severe Storm 2007-03-14
3239 HURRICANE KATRINA EVACUATION EM Hurricane 2005-09-10
1518 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2004-05-25
1282 SEVERE STORMS AND FLOODING DR Severe Storm 1999-07-22
1230 SEVERE STORMS, TORNADOES AND FLOODING DR Flood 1998-07-02
996 SEVERE STORMS & FLOODING DR Flood 1993-07-09
986 SEVERE STORMS & FLOODING DR Flood 1993-04-26
269 HEAVY RAINS & FLOODING DR Flood 1969-08-14
240 TORNADOES & SEVERE STORMS DR Tornado 1968-05-29
193 FLOODING DR Flood 1965-04-22

Storm Events in Iowa

Statewide NOAA context only. PlainHazard does not currently attribute these state totals to Floyd County.

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 4,928 6 227 $40.5M
Hail 3,736 0 0 $4.3M
Heavy Rain 2,394 0 0 $292.0K
Drought 1,556 0 0 $0
Winter Storm 1,543 3 4 $2.8M

Source: NOAA Storm Events Database State-level aggregated data, 2015-2025

NFIP Flood Insurance Claims

Total Claims

264

Total Paid

$4.5M

Avg Per Claim

$16.9K

Source: FEMA National Flood Insurance Program (NFIP) OpenFEMA Claims Data

FEMA National Risk Index

Overall Risk

Relatively Low

Score: 47.7/100

Expected Annual Loss

Relatively Low

$14.6M/year

Social Vulnerability

Relatively Moderate

Community Resilience

Very High

Hazard Risk Breakdown

Drought Relatively High
Hail Relatively Moderate
Tornado Relatively Moderate
Winter Weather Relatively Moderate
Riverine Flooding Relatively Low
Cold Wave Relatively Low
Strong Wind Relatively Low
Landslide Very Low
Wildfire Very Low
Ice Storm Relatively Low
Heat Wave Very Low
Lightning Very Low
Hurricane Very Low
Earthquake Very Low

Source: FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

The model's sharpest exposure here: Drought

Drought is the slowest of the modeled hazards and the least visible: it does its damage to agriculture, water supply and soil over seasons rather than hours, so it rarely produces the kind of single-day damage that drives a disaster declaration. FEMA scores it in event-days per year rather than discrete events for exactly that reason.

Worth noting for Floyd County: the model and the federal record do NOT point at the same hazard. Drought carries the highest modeled rating (Relatively High), while the county's declaration history is led by Flood. That is not a contradiction, the two measure genuinely different things. Declarations record federal ACTION, which requires damage costly enough to exceed state and local capacity; the Risk Index models EXPECTED annual loss across all 18 hazards whether or not any declaration ever followed. A hazard can be the county's largest modeled exposure and never once have driven a declaration.

National Risk Index ratings are modeled estimates of expected annual loss, not predictions of what will happen in any given year.

Data-matched county comparisons

Floyd County's closest FEMA peer: Custer County, NE

Comparisons use published FEMA declaration fields plus the National Risk Index composite for Floyd County. Record similarity, not a safety rating.

How these peers are chosen

Cohort: Published U.S. county equivalents outside the source state or territory. Each metric keeps six ETL candidates; three unique destinations are shown after de-duplicating across axes. Declaration-volume ranking combines count and Major-disaster share and prefers a different leading incident type; Major-share ranks the Major fraction adjusted for volume; NRI ranks the modeled composite score only.

Retained FEMA snapshot feed for Floyd County - capture-dated entries only.

Compare beyond this state

Nationwide peers by NRI score & FEMA declaration volume

Two PlainHazard-derived comparison paths for Floyd County: nearest out-of-state National Risk Index composite and nearest FEMA declaration count (floor ≥5 records). Record similarity only, not a forecast of the next hazard.

Further reading for this county

Understanding disaster data

Floyd County's NFIP claims file (264 claims) and FEMA declaration history measure different federal records - this guide separates them from modeled NRI risk.

More PlainHazard guides

Frequently Asked Questions

What is the most common disaster type in Floyd County?
The most common disaster type in Floyd County is Flood, with 8 declarations. Other disaster types include Severe Storm (8), Biological (2), Hurricane (1).
How does Floyd County's FEMA declaration record compare with the Iowa average?
FEMA lists 20 declaration records for Floyd County. That is 4% above the Iowa county mean of 19.3. Its count is also 3% below the national county mean of 20.7. A larger declaration history records more federal actions; it is not a forecast of the county's next hazard.
How many major FEMA disaster declarations has Floyd County received?
Floyd County has received 18 major disaster declarations, representing 90% of all 20 disaster declarations.
How many flood insurance claims has Floyd County filed?
Floyd County has 264 National Flood Insurance Program (NFIP) claims totaling $4.5M in payments, with an average of $16.9K per claim.
Does FEMA's top risk-rated hazard match the highest Expected Annual Loss in Floyd County?
No. In Floyd County, Drought has the highest National Risk Index rating (Relatively High), while Riverine Flooding leads Expected Annual Loss at about $7.7M. FEMA's risk score and dollar-loss model use different inputs, so the leaders often differ.
What was the worst year for disasters in Floyd County?
The most active year for disaster declarations in Floyd County was 1993, with 2 declarations. The county has FEMA disaster data spanning 1965 to 2024.
What is the FEMA National Risk Index score for Floyd County?
According to the FEMA National Risk Index, Floyd County, Iowa has an overall risk score of 47.7 out of 100 (Relatively Low). On social vulnerability the county rates Relatively Moderate; on community resilience, Very High. The Expected Annual Loss (EAL) score is Relatively Low, representing $14.6M in annualized losses.
Which natural hazard poses the greatest risk to Floyd County?
Based on FEMA NRI data, the highest-risk natural hazard in Floyd County as of the latest release is Drought (risk rating: Relatively High). Other significant hazards include Hail (Relatively Moderate) and Tornado (Relatively Moderate). FEMA's modeled event frequency puts drought here at 23 modeled event-days per year, drawn from 609 historical events on record. These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015-2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

Flood insurance data comes from the FEMA National Flood Insurance Program (NFIP) OpenFEMA claims dataset.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

FEMA OpenFEMA declarations + NRI for Floyd County · vintage 2026-08-25 · Methodology · Iowa profile · Verify with FEMA OpenFEMA · Verify with NOAA Storm Events