riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Anoka County Disaster Risk

Anoka County, Minnesota

FEMA Risk Rating

Relatively Moderate

National Percentile

88th

of 3,144 counties

State Rank

#5

of 87 (1 = highest risk)

Flood Risk

92th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 92% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 82% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 87% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 23% of US counties

Risk Overview

About Natural Disaster Risk in Anoka County, Minnesota

Anoka: Minnesota's Highest-Risk County

Anoka County's composite risk score of 88.01 ranks it in the Relatively Moderate category—more than double Minnesota's state average of 42.38. This makes Anoka one of Minnesota's most disaster-vulnerable counties, with significant exposure across multiple hazard types.

The Riskiest County in Minnesota

Anoka County ranks as Minnesota's highest-risk county by composite score, substantially exceeding all other counties in the state. Its 88.01 score reflects critical vulnerability to natural disasters statewide, making disaster preparedness essential for residents.

Anoka Stands Out as Highest-Risk

Anoka County (88.01) faces dramatically higher risks than neighboring Becker County (37.40) and Beltrami County (60.56), making it a clear outlier in the region. Even Aitkin County (56.58) and Benton County (51.34) experience substantially lower exposure than Anoka.

Triple Threat: Floods, Tornadoes, Wildfires

Anoka residents face severe risks from flooding (91.98), tornado activity (87.25), and wildfire exposure (81.65)—all among the highest in the state. This combination of hazards makes Anoka County one of Minnesota's most multi-hazard-vulnerable areas, requiring comprehensive household preparedness.

Critical: Multi-Hazard Insurance Now

Anoka County residents must prioritize flood insurance as a separate policy, since standard homeowners coverage excludes it—and with flood risk scores at 91.98, this is essential. Additionally, review tornado and storm damage coverage, consider reinforced roof construction, and maintain an emergency plan for your family.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Anoka County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    92th percentile
  2. #2
    TornadoPrepare
    87th percentile
  3. #3
    WildfirePrepare
    82th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Anoka County

Risk Verdict

At the 88th percentile nationally, Anoka County sits in the upper half of U.S. counties for natural disaster exposure. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Anoka County residents.

Hazard Breakdown

Flood risk is Anoka County's dominant natural hazard, ranked at the 92th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 87th percentile nationally. Additional tracked hazards include wildfire (82th percentile), earthquake (23th percentile).

Preparedness Context

At the 92th percentile nationally for flood risk, Anoka County residents benefit from understanding their specific flood zone status. Even one inch of floodwater causes significant structural damage to properties outside officially designated high-risk zones. Alongside flooding, tornado exposure at the 87th percentile means households benefit from a multi-hazard preparedness plan rather than focusing on flood alone. A tested family preparedness plan specific to Anoka County's primary hazards — including how to shelter in place or evacuate, and who to call — provides more real protection than a general emergency kit sitting unused on a shelf.

Regional Context

The Minnesota county average is 45.6 composite points below Anoka County's score, a gap that reflects the county's elevated position in the state's hazard distribution.

Is your household prepared for Anoka County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Anoka County, MN?
Anoka County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 88th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Anoka County?
Anoka County is evaluated for five major natural hazard types: flooding (92th percentile), tornado (87th percentile), wildfire (82th percentile), earthquake (23th percentile). The highest-risk hazard is flooding at the 92th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Anoka County risk compare to the Minnesota average?
Anoka County's composite risk percentile is 88th, compared to the Minnesota state average of 42th percentile. The state's overall risk rating is Very Low. This means Anoka County faces higher natural disaster risk than the typical county in Minnesota.
Is Anoka County at risk for flooding?
Yes, Anoka County's flooding risk is at the 92th percentile nationally. This places it in the top quartile for this hazard type.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Anoka County higher risk than average?
Anoka County's composite risk score of 88th percentile is above the Minnesota state average of 42th percentile. This elevated risk is driven by flooding exposure (92th percentile), along with tornado and wildfire risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.