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

Sarpy County Disaster Risk

Sarpy County, Nebraska

FEMA Risk Rating

Relatively Moderate

National Percentile

84th

of 3,144 counties

State Rank

#3

of 93 (1 = highest risk)

Flood Risk

74th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 74% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 81% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 97% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 29% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Sarpy County, Nebraska

Sarpy faces 'Relatively Moderate' disaster risk

Sarpy County's composite risk score of 83.59 places it in the 'Relatively Moderate' category, significantly above the national average. This makes Sarpy one of the nation's higher-risk counties for natural disasters—a serious consideration for residents and property owners.

Nebraska's riskiest county by a wide margin

Sarpy County's score of 83.59 dramatically exceeds Nebraska's state average of 25.80 and far surpasses any other county in the state. The county faces natural disaster exposure more than three times greater than typical Nebraska locations.

Significantly riskier than surrounding counties

Sarpy County's risk profile dwarfs those of neighboring Cass, Lancaster, and Douglas counties, with a score roughly double that of its closest regional competitor. Its location in the Omaha metropolitan area places it at the intersection of multiple hazard zones.

Tornadoes and floods pose extreme threats

Tornado risk scores an exceptional 97.17—the highest in Nebraska—while flood risk of 73.57 ranks among the state's most severe. Wildfire risk of 81.46, though less impactful than tornadoes, remains significantly elevated, and earthquake risk of 28.94 adds complexity.

Invest in comprehensive, robust insurance coverage

Sarpy County residents must prioritize windstorm coverage, tornado protection, and flood insurance—do not rely on basic homeowners policies alone. Review coverage annually, especially after severe events; consider multiple policies and endorsements to address this county's exceptional multi-hazard exposure.

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

Preparedness Guide

What to Prepare for in Sarpy County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    97th percentile
  2. #2
    WildfirePrepare
    81th percentile
  3. #3
    FloodPrepare
    74th percentile

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

Risk Advisory: Sarpy County

Risk Verdict

FEMA's National Risk Index rates Sarpy County at the 84th percentile nationally — above average and worth proactive preparation. Residents should prioritize a formal household emergency plan, including evacuation routes, insurance review, and a well-stocked emergency kit.

Hazard Breakdown

Tornado risk is Sarpy County's dominant natural hazard, ranked at the 97th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 81th percentile nationally. Additional tracked hazards include flood (74th percentile), earthquake (29th percentile), hurricane (0th percentile).

Preparedness Context

With tornado ranked at the 97th percentile nationally, Sarpy County sits in a high-exposure zone where the difference between outcomes often comes down to proximity to a reinforced interior shelter and seconds of warning time. Alongside tornado exposure, wildfire at the 81th percentile nationally means Sarpy County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. For Sarpy County households, safe rooms certified to FEMA 320/361 standards offer the highest protection during a direct tornado hit; households without a safe room should locate the innermost lowest-floor room in their building and practice the route to it before storm season.

Regional Context

Sarpy County is 57.8 composite risk points above the Nebraska average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.

Is your household prepared for Sarpy 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 Sarpy County, NE?
Sarpy County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 84th 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 Sarpy County?
Sarpy County is evaluated for five major natural hazard types: tornado (97th percentile), wildfire (81th percentile), flooding (74th percentile), earthquake (29th percentile), hurricane (0th percentile). The highest-risk hazard is tornado at the 97th 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 Sarpy County risk compare to the Nebraska average?
Sarpy County's composite risk percentile is 84th, compared to the Nebraska state average of 26th percentile. The state's overall risk rating is Very Low. This means Sarpy County faces higher natural disaster risk than the typical county in Nebraska.
Is Sarpy County at risk for tornado?
Yes, Sarpy County's tornado risk is at the 97th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Sarpy County is at the 74th 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 Sarpy County higher risk than average?
Sarpy County's composite risk score of 84th percentile is above the Nebraska state average of 26th percentile. This elevated risk is driven by tornado exposure (97th percentile), along with wildfire and flooding 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.