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

Hamilton County Disaster Risk

Hamilton County, Nebraska

FEMA Risk Rating

Very Low

National Percentile

43th

of 3,144 counties

State Rank

#20

of 93 (1 = highest risk)

Flood Risk

17th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 17% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 28% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 51% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 12% of US counties

Risk Overview

About Natural Disaster Risk in Hamilton County, Nebraska

Hamilton County's moderate tornado exposure

Hamilton County scores 42.62 on the composite risk scale—well above Nebraska's average of 25.80 and marking it as Very Low risk nationally. Tornado risk is the primary driver here, scoring 50.73, which reflects the county's position in Nebraska's tornado corridor. This puts Hamilton County in a fundamentally different risk profile than the safest U.S. counties, though still manageable with proper preparation.

A mid-range risk profile for Nebraska

Hamilton County ranks in the middle tier of Nebraska's 93 counties for overall natural disaster risk, with a composite score 65% higher than the state average. Its tornado risk of 50.73 is notably elevated compared to most Nebraska counties, reflecting typical Great Plains exposure. The county's other hazards—flood, wildfire, and earthquake—remain relatively modest compared to its tornado vulnerability.

Higher tornado risk than surrounding counties

Hamilton County's composite risk of 42.62 substantially exceeds its neighbors: Harlan County (32.03) to the west and Howard County (24.20) to the north. The tornado risk of 50.73 is notably higher than Harlan's 35.81 and Howard's 35.88, making Hamilton County a moderate outlier in this region. This difference reflects local topography and atmospheric patterns that favor tornado formation in this specific area.

Tornado risk dominates; wildfire secondary

Tornadoes pose the most significant threat to Hamilton County residents, with a risk score of 50.73—more than three times the county's flood risk of 16.89. Wildfire ranks second at 28.40, though it remains well below tornado exposure. Earthquake and other hazards contribute minimally to the overall risk profile.

Secure shelter and comprehensive coverage

Hamilton County residents should prioritize access to a basement or interior room on the lowest floor for tornado safety, and ensure homeowners insurance includes wind/hail coverage for severe storm damage. Consider a personal weather radio and a family emergency plan specific to tornadoes. Flood insurance is recommended for properties in flood-prone areas, though countywide flood risk remains comparatively low.

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

Preparedness Guide

What to Prepare for in Hamilton County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    51th percentile
  2. #2
    WildfirePrepare
    28th percentile
  3. #3
    FloodPrepare
    17th percentile

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

Risk Advisory: Hamilton County

Risk Verdict

Hamilton County sits in the lower tier of U.S. counties for natural disaster exposure, ranked at the 43th percentile nationally. Hamilton County residents can take confidence from a 43th percentile ranking, but even lower-risk counties benefit from a practiced household communication plan and awareness of the specific hazards listed above.

Hazard Breakdown

Tornado risk is Hamilton County's dominant natural hazard, ranked at the 51th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 28th percentile nationally. Additional tracked hazards include flood (17th percentile), earthquake (12th percentile).

Preparedness Context

At the 51th percentile nationally for tornado risk, Hamilton County households benefit most from a reliable alert system — a NOAA weather radio that activates during overnight hours when residents may not be checking smartphone alerts. Alongside tornado exposure, wildfire at the 28th percentile nationally means Hamilton County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. For Hamilton County households, a pre-decided family shelter plan — who goes where, how children are retrieved from school during a warning, and a neighborhood meet-up point if phones fail — provides real protection that no supply kit alone can replicate.

Regional Context

At 16.8 points above the Nebraska state average, Hamilton County carries meaningfully higher natural disaster exposure than a typical Nebraska county.

Is your household prepared for Hamilton 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 Hamilton County, NE?
Hamilton County has a FEMA National Risk Index rating of Very Low, placing it in the 43th 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 Hamilton County?
Hamilton County is evaluated for five major natural hazard types: tornado (51th percentile), wildfire (28th percentile), flooding (17th percentile), earthquake (12th percentile). The highest-risk hazard is tornado at the 51th 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 Hamilton County risk compare to the Nebraska average?
Hamilton County's composite risk percentile is 43th, compared to the Nebraska state average of 26th percentile. The state's overall risk rating is Very Low. This means Hamilton County faces higher natural disaster risk than the typical county in Nebraska.
Is Hamilton County at risk for tornado?
Yes, Hamilton County's tornado risk is at the 51th percentile nationally. This is above the national median. For flooding specifically, Hamilton County is at the 17th percentile.
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 Hamilton County higher risk than average?
Hamilton County's composite risk score of 43th percentile is above the Nebraska state average of 26th percentile. This elevated risk is driven by tornado exposure (51th percentile). 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.