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

McCormick County Disaster Risk

McCormick County, South Carolina

FEMA Risk Rating

Very Low

National Percentile

10th

of 3,144 counties

State Rank

#46

of 46 (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 35% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 40% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 51% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 62% of US counties

Risk Overview

About Natural Disaster Risk in McCormick County, South Carolina

McCormick is South Carolina's safest county

McCormick County scores just 9.54 on the composite risk scale—the lowest in South Carolina and far below the national average. This very low risk rating means McCormick residents face minimal exposure to major natural disasters compared to virtually all other U.S. counties.

McCormick stands alone as safest in state

McCormick County ranks last (safest) among South Carolina's 46 counties for composite disaster risk, significantly outperforming even the second-safest county. Its 9.54 score is a stark contrast to the state average of 70.75.

McCormick is dramatically safer than peers

McCormick's 9.54 composite score dwarfs neighboring Newberry County (61.99) and the nearby Oconee County (85.62). Even the state's second-safest county faces risks more than six times higher than McCormick.

Earthquakes pose the highest relative threat

Even McCormick's most significant hazard—earthquake risk at 51.34—remains well below state and national averages. Flood (16.79) and wildfire (34.76) risks are minimal, making McCormick's overall threat profile exceptionally benign.

Standard homeowner's insurance typically suffices

McCormick residents can rely on standard homeowner's insurance without the specialized flood or wind coverage required in higher-risk counties. Annual disaster preparedness remains prudent, but McCormick's very low risk profile means financial exposure to natural disasters is minimal.

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

Preparedness Guide

What to Prepare for in McCormick County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    62th percentile
  2. #2
    EarthquakePrepare
    51th percentile
  3. #3
    TornadoPrepare
    40th percentile

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

Risk Advisory: McCormick County

Risk Verdict

Natural disaster exposure in McCormick County is lower than roughly three-quarters of U.S. counties, with a composite score at the 10th percentile. A 10th percentile score positions McCormick County among the nation's lower-risk counties, a genuinely favorable outcome — one that simple, low-cost preparedness habits can reinforce further.

Hazard Breakdown

Hurricane risk is McCormick County's dominant natural hazard, ranked at the 62th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 51th percentile nationally. Additional tracked hazards include tornado (40th percentile), wildfire (35th percentile), flood (17th percentile).

Preparedness Context

At the 62th percentile nationally for hurricane risk, McCormick County is in a zone where flood insurance matters beyond the primary wind risk: NFIP flood insurance requires a 30-day waiting period before taking effect, making off-season enrollment the correct timing. Earthquake at the 51th percentile nationally is McCormick County's secondary hazard, often intensified by the same weather systems that produce hurricane conditions. For McCormick County households, the hurricane preparedness calendar matters: flood insurance has a 30-day waiting period, wind-hardening retrofits take weeks to schedule, and evacuation route scouting is best done before a storm watch is issued.

Regional Context

McCormick County is 61.2 composite risk points below the South Carolina state mean, meaning most other South Carolina counties face higher natural hazard exposure.

Is your household prepared for McCormick 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 McCormick County, SC?
McCormick County has a FEMA National Risk Index rating of Very Low, placing it in the 10th 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 McCormick County?
McCormick County is evaluated for five major natural hazard types: hurricane (62th percentile), earthquake (51th percentile), tornado (40th percentile), wildfire (35th percentile), flooding (17th percentile). The highest-risk hazard is hurricane at the 62th 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 McCormick County risk compare to the South Carolina average?
McCormick County's composite risk percentile is 10th, compared to the South Carolina state average of 71th percentile. The state's overall risk rating is Relatively Low. This means McCormick County faces lower natural disaster risk than the typical county in South Carolina.
Is McCormick County at risk for hurricane?
Yes, McCormick County's hurricane risk is at the 62th percentile nationally. This is above the national median. For flooding specifically, McCormick 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.
Is McCormick County a safe place to live?
McCormick County's composite risk score of 10th percentile is below the South Carolina state average of 71th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 62th 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.