Larimer, CO
Larimer County in Colorado has 8 FEMA disaster declarations on record covering 1969–2013, most recently Severe Storms, Flooding, Landslides, and Mudslides on Sep 14, 2013 (DR-4145). Its flood risk grade is A (Low risk), ranking #1207 of 3,277 U.S. counties, with 3 NFIP flood insurance claims totaling $0 in payouts. Flood risk is relatively low compared to the national average.
FEMA Disaster Declarations in Larimer County
The 8 most recent federally declared disasters affecting Larimer County, CO (1969–2013). Total declarations on record: 8.
| Declared | Incident Type | Title | FEMA Disaster # |
|---|---|---|---|
| Sep 14, 2013 | Flood | Severe Storms, Flooding, Landslides, and Mudslides | DR-4145 |
| Sep 12, 2013 | Flood | Severe Storms, Flooding, Landslides, and Mudslides | DR-3365 |
| Sep 5, 2005 | Coastal Storm | Hurricane Katrina Evacuation | DR-3224 |
| Aug 1, 1997 | Flood | Severe Storms, Heavy Rain, Flash Floods, Flooding, Mudslides | DR-1186 |
| Jul 22, 1982 | Flood | Flash Flood Due to Dam Failure | DR-665 |
| Aug 2, 1976 | Flood | Severe Storms & Flash Flooding | DR-517 |
| May 23, 1973 | Flood | Heavy Rains, Snowmelt and Flooding | DR-385 |
| May 19, 1969 | Flood | Severe Storms & Flooding | DR-261 |
Score Breakdown
The composite score of 12 is calculated from four weighted factors. See our methodology for details.
Other Counties in Colorado
More Counties in Colorado
Frequently Asked Questions
How many FEMA disaster declarations does Larimer County, CO have?
Larimer County, CO has 8 federal disaster declarations on FEMA record (1969–2013). The 5 most recent are: Severe Storms, Flooding, Landslides, and Mudslides (declared Sep 14, 2013, DR-4145); Severe Storms, Flooding, Landslides, and Mudslides (declared Sep 12, 2013, DR-3365); Hurricane Katrina Evacuation (declared Sep 5, 2005, DR-3224); Severe Storms, Heavy Rain, Flash Floods, Flooding, Mudslides (declared Aug 1, 1997, DR-1186); Flash Flood Due to Dam Failure (declared Jul 22, 1982, DR-665). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.
What is the flood risk grade for Larimer County, CO?
Larimer County is graded A (composite score 12/100, low risk). It ranks #1207 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 Larimer County?
3 NFIP flood insurance claims have been filed in Larimer County, CO, totaling $0 in payouts. The average claim is $0. Source: FEMA FimaNfipClaims v2 dataset.
Has Larimer County, CO had any recent flood disasters?
Yes. The most recent FEMA declaration affecting Larimer County was Severe Storms, Flooding, Landslides, and Mudslides on Sep 14, 2013 (DR-4145). The county has 8 declared disasters in the OpenFEMA record covering 1969–2013.
this entity is one of the data points covered by this site’s U.S. flood risk, NFIP claims, and disaster declarations dataset. The detail above comes directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the context that follows situates the headline numbers against the broader distribution across U.S. ZIPs, counties, and states.
The methodology behind every numeric value on this page is publicly documented on the FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
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.