Blue Earth County, MN

FEMA National Risk Index scores, disaster declarations & hazard data

Population: 69,073 · Cities: Mankato

Relatively Low Riskier than 72% of US counties
Very Low Relatively Low Relatively Moderate Relatively High Very High

Blue Earth County has experienced 24 federally declared disasters since 1965, most recently Severe Storms And Flooding in 2024. Its overall natural hazard risk is rated Relatively Low — lower risk than most US counties.

Blue Earth County's highest-rated hazards are strong wind, winter weather, and cold wave, with its top risk rated "Relatively High" by FEMA's National Risk Index. Recorded storm events have increased 26% over the past five years compared to the prior five-year period.

Past disasters & FEMA designations

A federal disaster declaration officially designates a county for FEMA disaster assistance. Blue Earth County has been designated in 24 declarations since 1965, covering 7 disaster types including flood (13), severe storm (3), tornado (3).

2002–2026
Year Type Event name
2024 Flood Severe Storms And Flooding
2020 Biological Covid-19 Pandemic
2020 Biological Covid-19
2019 Flood Severe Winter Storm, Straight-Line Winds, And Flooding
2018 Flood Severe Storms, Tornadoes, Straight-Line Winds, And Flooding
2017 Flood Severe Storms And Flooding
2014 Flood Severe Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides
2011 Flood Severe Storms And Flooding
2011 Severe Storm Severe Storms And Flooding
2010 Tornado Severe Storms, Tornadoes, And Flooding

Showing the 10 most recent of 24 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 31.8 0 0
Inland Flooding Relatively Low 65.9 9 0 $835K
Coastal Flooding Not Applicable 0 0
Earthquake Very Low 15.8
Heat Wave Relatively Low 69.3 4 0
Tornado Relatively Moderate 77.1 6 0 $50K
Hurricane Not Applicable 0 0
Hail Relatively Moderate 85.3 42 0
Strong Wind Relatively High 95.2 0 0
Winter Weather Relatively High 93.5 0 0
Ice Storm Relatively Low 50.4
Cold Wave Relatively High 93.3
Lightning Very Low 22.3 0 0
Drought Relatively Moderate 78.8 0 0
Landslide Relatively Low 67.8 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

Blue Earth County ranks in the 38th 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 38th Low
Socioeconomic status 28th Low
Household characteristics 4th Very low
Racial & ethnic minority status 40th Low
Housing type & transportation 93rd High

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 11th Very Low
Risk to homes 13th Very Low
Buildings in direct exposure zone 31.8%

NOAA tracked 61 weather events in this county over 2016–2025: 27 in 2016–20 vs 34 in 2021–25 (+26% — frequency increasing).

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

Compare Blue Earth County with other counties → All Minnesota counties →

Frequently asked questions

What natural hazards pose the greatest risk in Blue Earth County?

According to the FEMA National Risk Index, the highest-risk hazards in Blue Earth County, Minnesota are strong wind, winter weather, and cold wave. The county's overall natural hazard risk is rated Relatively Low — lower risk than most US counties.

Has Blue Earth County received federal disaster declarations?

Yes. Blue Earth County has received 24 federal disaster declarations since 1965, including declarations in 2024. The most common disaster type on record is flood (13 declarations).

Has Blue Earth County had any FEMA disaster declarations in 2024, 2025, or 2026?

Yes. Recent federal disaster declarations for Blue Earth County include Severe Storms And Flooding (2024). See the declarations table above for the full history since 1965.

How does Blue Earth County's natural hazard risk compare to nearby counties?

Among neighboring counties, Faribault County, MN has the highest overall natural hazard risk (Relatively Low) and Le Sueur County, MN has the lowest (Very Low). Blue Earth County is rated Relatively Low overall.

How is Blue Earth County's composite disaster risk index calculated?

Blue Earth 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. Blue Earth County's composite score of 72 means its overall natural hazard risk is higher than 72% of US counties.

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