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

Deer Lodge County Disaster Risk

Deer Lodge County, Montana

FEMA Risk Rating

Very Low

National Percentile

18th

of 3,144 counties

State Rank

#33

of 56 (1 = highest risk)

Flood Risk

11th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 11% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 74% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 6% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 50% of US counties

Risk Overview

About Natural Disaster Risk in Deer Lodge County, Montana

Deer Lodge: Low Risk, High Complexity

With a composite score of 17.59, Deer Lodge County ranks as "Very Low" risk nationally, yet this masks significant earthquake exposure at 49.97. Your relatively safe overall profile hides concentrated seismic and wildfire threats worth understanding.

Among Montana's Safer Counties

Deer Lodge's score of 17.59 places it well below the state average of 33.31, ranking it among Montana's safer jurisdictions. However, earthquake risk (49.97) elevates it above many equally-rated peers.

Moderate Risk in Mountain Region

Deer Lodge County (17.59) sits safely below Flathead (86.45) and Gallatin (80.98), though its earthquake score of 49.97 exceeds most regional neighbors. Your location in southwestern Montana's mining country contributes to seismic sensitivity.

Earthquakes and Wildfire Concentrate Risk

Earthquake risk dominates Deer Lodge at 49.97, while wildfire (73.60) poses your second major threat. Floods (10.53) and tornadoes (5.53) represent minimal exposure.

Don't Overlook Earthquake Coverage

Deer Lodge homeowners should ensure earthquake insurance is part of their risk management plan, given your 49.97 seismic score. Wildfire insurance and defensible space maintenance are equally critical for property protection.

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

Preparedness Guide

What to Prepare for in Deer Lodge County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    74th percentile
  2. #2
    EarthquakePrepare
    50th percentile
  3. #3
    FloodPrepare
    11th percentile

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

Risk Advisory: Deer Lodge County

Risk Verdict

Deer Lodge County's natural disaster risk is among the lowest in the country, with a composite score at the 18th percentile nationally. Residents of Deer Lodge County can use the 18th percentile ranking as a baseline, while recognizing that individual properties may still lie in specific hazard zones that differ from the county average.

Hazard Breakdown

Wildfire risk is Deer Lodge County's dominant natural hazard, ranked at the 74th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 50th percentile nationally. Additional tracked hazards include flood (11th percentile), tornado (6th percentile).

Preparedness Context

Wildfire is Deer Lodge County's top-ranked natural hazard at the 74th percentile nationally. Deer Lodge County residents should assess whether their property lies within or adjacent to a Wildland-Urban Interface (WUI) zone, where ember transport and rapid spread pose the highest risk. A secondary earthquake exposure at the 50th percentile nationally means Deer Lodge County residents face hazards from two distinct natural peril categories during different seasons. For Deer Lodge County households, a practiced evacuation plan — with a primary and backup route designated before a fire occurs — provides more protection than any structural improvement when a wildfire approaches fast-moving terrain.

Regional Context

The Montana county average exceeds Deer Lodge County's score by 15.7 composite points — placing this county in the lower-risk tier relative to its in-state peers.

Is your household prepared for Deer Lodge 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 Deer Lodge County, MT?
Deer Lodge County has a FEMA National Risk Index rating of Very Low, placing it in the 18th 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 Deer Lodge County?
Deer Lodge County is evaluated for five major natural hazard types: wildfire (74th percentile), earthquake (50th percentile), flooding (11th percentile), tornado (6th percentile). The highest-risk hazard is wildfire at the 74th 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 Deer Lodge County risk compare to the Montana average?
Deer Lodge County's composite risk percentile is 18th, compared to the Montana state average of 33th percentile. The state's overall risk rating is Very Low. This means Deer Lodge County faces lower natural disaster risk than the typical county in Montana.
Is Deer Lodge County at risk for wildfire?
Yes, Deer Lodge County's wildfire risk is at the 74th percentile nationally. This is above the national median. For flooding specifically, Deer Lodge County is at the 11th 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 Deer Lodge County a safe place to live?
Deer Lodge County's composite risk score of 18th percentile is below the Montana state average of 33th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 74th 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.