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

Jackson County Disaster Risk

Jackson County, Iowa

FEMA Risk Rating

Very Low

National Percentile

36th

of 3,144 counties

State Rank

#50

of 99 (1 = highest risk)

Flood Risk

43th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 43% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 36% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 55% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 26% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 11% of US counties

Risk Overview

About Natural Disaster Risk in Jackson County, Iowa

Jackson County's composite risk rated very low

Jackson County scores 36.07 on the composite risk index, well below the national average of 39.68, putting it in the very low risk category. This favorable rating reflects relatively moderate exposure to multiple natural hazards compared to counties nationwide.

Among Iowa's safer counties for disasters

Jackson County ranks favorably within Iowa, with a composite score of 36.07 versus the state average of 39.68. The county's very low risk designation places it well-positioned among its peers statewide.

Lower risk than surrounding counties

Jackson County's score of 36.07 is substantially lower than neighboring Jasper County (43.67) and comparable to Jones County (32.67). The county benefits from more moderate hazard exposure than several adjacent areas.

Tornadoes and flooding demand attention here

Tornado risk scores 54.77 in Jackson County, representing the most significant weather threat residents face. Flood risk at 43.32 presents the second major concern, requiring awareness of seasonal precipitation patterns and stream conditions.

Secure coverage for tornado and flood threats

With tornado risk at 54.77, homeowners should ensure comprehensive coverage that includes wind and hail damage protection. Adding flood insurance is prudent given the county's 43.32 flood risk score, especially for properties in vulnerable drainage areas.

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

Preparedness Guide

What to Prepare for in Jackson County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    55th percentile
  2. #2
    FloodPrepare
    43th percentile
  3. #3
    WildfirePrepare
    36th percentile

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

Risk Advisory: Jackson County

Risk Verdict

Jackson County sits in the lower tier of U.S. counties for natural disaster exposure, ranked at the 36th percentile nationally. At the 36th percentile, Jackson County's risk profile is among the more manageable in the country — the hazard-specific breakdown above shows where any remaining preparedness focus is best directed.

Hazard Breakdown

Tornado risk is Jackson County's dominant natural hazard, ranked at the 55th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 43th percentile nationally. Additional tracked hazards include wildfire (36th percentile), earthquake (26th percentile), hurricane (11th percentile).

Preparedness Context

At the 55th percentile nationally for tornado risk, Jackson 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. Flood is the second hazard driver for Jackson County at the 43th percentile nationally, meaning households should maintain awareness of both severe-weather and flood-specific warning systems. For Jackson 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

Jackson County tracks the Iowa county average closely, sitting 3.6 composite points below the state mean — neither a standout high-risk nor low-risk county within Iowa.

Is your household prepared for Jackson 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 Jackson County, IA?
Jackson County has a FEMA National Risk Index rating of Very Low, placing it in the 36th 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 Jackson County?
Jackson County is evaluated for five major natural hazard types: tornado (55th percentile), flooding (43th percentile), wildfire (36th percentile), earthquake (26th percentile), hurricane (11th percentile). The highest-risk hazard is tornado at the 55th 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 Jackson County risk compare to the Iowa average?
Jackson County's composite risk percentile is 36th, compared to the Iowa state average of 40th percentile. The state's overall risk rating is Very Low. This means Jackson County faces lower natural disaster risk than the typical county in Iowa.
Is Jackson County at risk for tornado?
Yes, Jackson County's tornado risk is at the 55th percentile nationally. This is above the national median. For flooding specifically, Jackson County is at the 43th 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.
Is Jackson County a safe place to live?
Jackson County's composite risk score of 36th percentile is below the Iowa state average of 40th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is tornado at the 55th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
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.