Atchison, KS
Atchison County in Kansas has 6 FEMA disaster declarations on record covering 1973–2011, most recently Flooding on Sep 23, 2011 (DR-4035). Its flood risk grade is A (Low risk), ranking #1690 of 3,277 U.S. counties, with 0 NFIP flood insurance claims totaling $0 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Atchison County
The 6 most recent federally declared disasters affecting Atchison County, KS (1973–2011). Total declarations on record: 6.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 23, 2011 | Flood | Flooding | DR-4035 |
| Jun 25, 2011 | Flood | Flooding | DR-3324 |
| Sep 10, 2005 | Hurricane | Hurricane Katrina Evacuation | DR-3236 |
| Jul 22, 1993 | Flood | Severe Storms & Flooding | DR-1000 |
| Sep 20, 1977 | Flood | Severe Storms & Flooding | DR-539 |
| May 2, 1973 | Flood | Severe Storms & Flooding | DR-378 |
Score Breakdown
The composite score of 11 is calculated from four weighted factors. See our methodology for details.
Other Counties in Kansas
| County | Grade | Score | Claims | Disasters |
|---|---|---|---|---|
| Doniphan | A | 11 | 2 | 6 |
| Leavenworth | A | 11 | 6 | 6 |
| Wyandotte | A | 11 | 5 | 6 |
| Butler | A | 12 | 10 | 5 |
| Barton | A | 10 | 1 | 4 |
| Brown | A | 10 | 0 | 4 |
More Counties in Kansas
Frequently Asked Questions
How many FEMA disaster declarations does Atchison County, KS have?
Atchison County, KS has 6 federal disaster declarations on FEMA record (1973–2011). The 5 most recent are: Flooding (declared Sep 23, 2011, DR-4035); Flooding (declared Jun 25, 2011, DR-3324); Hurricane Katrina Evacuation (declared Sep 10, 2005, DR-3236); Severe Storms & Flooding (declared Jul 22, 1993, DR-1000); Severe Storms & Flooding (declared Sep 20, 1977, DR-539). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Atchison County, KS?
Atchison County is graded A (composite score 11/100, low risk). It ranks #1690 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?
0 NFIP flood insurance claims have been filed in Atchison County, KS, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.
Has Atchison County, KS had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Atchison County was Flooding on Sep 23, 2011 (DR-4035). The county has 6 declared disasters in the OpenFEMA record covering 1973–2011.
The this entity record above pulls directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims. What follows is the per-entity context — how this entity sits in the broader U.S. flood risk, NFIP claims, and disaster declarations distribution and which underlying factors drive the headline numbers.
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.