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Atchison, MO

Flood Risk Score: 12/100 · Rank #1069 of 3,277 counties

Atchison County in Missouri has 9 FEMA disaster declarations on record covering 1965–2019, most recently Severe Storms, Straight-Line Winds, and Flooding on May 20, 2019 (DR-4435). Its flood risk grade is A (Low risk), ranking #1069 of 3,277 U.S. counties, with 2 NFIP flood insurance claims totaling $60,300 in payouts. Flood risk is relatively low compared to the national average.

12
Risk Score
2
NFIP Claims
$60,300
Total Payouts
9
Disasters
$30,150
Avg Claim
2
Active Policies

FEMA Disaster Declarations in Atchison County

The 9 most recent federally declared disasters affecting Atchison County, MO (1965–2019). Total declarations on record: 9.

DeclaredIncident TypeTitleFEMA Disaster #
May 20, 2019FloodSevere Storms, Straight-Line Winds, and FloodingDR-4435
Aug 12, 2011FloodFloodingDR-4012
Jun 30, 2011FloodFloodingDR-3325
Sep 10, 2005HurricaneHurricane Katrina EvacuationDR-3232
Jul 9, 1993FloodSevere Storms & FloodingDR-995
Jun 21, 1984FloodSevere Storms & FloodingDR-713
Jun 10, 1974FloodSevere Storms & FloodingDR-439
Nov 1, 1973FloodSevere Storms & FloodingDR-407
Jul 27, 1965FloodSevere Storms & FloodingDR-203

Score Breakdown

The composite score of 12 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
19
Claim Severity
20%
0
Year-over-Year Trend
15%
50

Other Counties in Missouri

CountyGradeScoreClaimsDisasters
CarrollA1268
HoltA12399
RayA1209
Ste. GenevieveA1228
LafayetteA1208
St. LouisA1325111
View All Counties in Missouri

Frequently Asked Questions

How many FEMA disaster declarations does Atchison County, MO have?

Atchison County, MO has 9 federal disaster declarations on FEMA record (1965–2019). The 5 most recent are: Severe Storms, Straight-Line Winds, and Flooding (declared May 20, 2019, DR-4435); Flooding (declared Aug 12, 2011, DR-4012); Flooding (declared Jun 30, 2011, DR-3325); Hurricane Katrina Evacuation (declared Sep 10, 2005, DR-3232); Severe Storms & Flooding (declared Jul 9, 1993, DR-995). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Atchison County, MO?

Atchison County is graded A (composite score 12/100, low risk). It ranks #1069 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).

How many NFIP flood insurance claims have been filed in Atchison County?

2 NFIP flood insurance claims have been filed in Atchison County, MO, totaling $60,300 in payouts. The average claim is $30,150. Source: FEMA FimaNfipClaims v2 dataset.

Has Atchison County, MO had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Atchison County was Severe Storms, Straight-Line Winds, and Flooding on May 20, 2019 (DR-4435). The county has 9 declared disasters in the OpenFEMA record covering 1965–2019.

For this entity, the underlying data on this page comes from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.

Every number on this page links back to FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.

For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.

Source: FEMA OpenFEMA datasets, 2026.