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

Oconee County Disaster Risk

Oconee County, South Carolina

FEMA Risk Rating

Relatively Moderate

National Percentile

86th

of 3,144 counties

State Rank

#15

of 46 (1 = highest risk)

Flood Risk

81th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 81% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 63% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 81% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 80% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 73% of US counties

Risk Overview

About Natural Disaster Risk in Oconee County, South Carolina

Oconee faces above-average national disaster risk

Oconee County scores 85.62 on the composite risk scale, placing it in the relatively moderate risk category and substantially above South Carolina's average of 70.75. This elevated position reflects consistent, above-average exposure across multiple hazard types, particularly flooding.

Oconee ranks among SC's higher-risk counties

Oconee County ranks fourth-highest for overall disaster risk among South Carolina's 46 counties, trailing only Richland, Orangeburg, and Marion. This standing reflects the county's significant multi-hazard vulnerability.

Oconee far exceeds nearby county risk levels

Oconee's 85.62 composite score substantially outpaces neighboring Newberry County (61.99) and Pickens County (77.61). The county's 81.14 flood risk is particularly elevated compared to regional peers, reflecting its geographic position.

Flooding and tornadoes dominate Oconee's profile

Oconee's flood risk of 81.14 is the county's most pressing hazard, driven by its position in the Piedmont region with steep terrain and river systems. Tornado risk (81.04) creates a close second threat, putting residents at risk from both water and wind.

Flood insurance is absolutely essential

Oconee residents with property in flood-prone areas must carry separate flood insurance, as the county's 81.14 flood risk is among the state's highest. Comprehensive homeowner's coverage including wind protection is equally critical given the 81.04 tornado risk.

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

Preparedness Guide

What to Prepare for in Oconee County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    81th percentile
  2. #2
    TornadoPrepare
    81th percentile
  3. #3
    EarthquakePrepare
    80th percentile

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

Risk Advisory: Oconee County

Risk Verdict

Oconee County faces a moderate natural disaster risk profile, ranking at the 86th percentile nationally under FEMA's composite risk model. This risk level calls for more than general awareness: insurance coverage review, a family communication plan, and a prepared go-bag are practical priorities.

Hazard Breakdown

Flood risk is Oconee County's dominant natural hazard, ranked at the 81th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 81th percentile nationally. Additional tracked hazards include earthquake (80th percentile), hurricane (73th percentile), wildfire (63th percentile).

Preparedness Context

Oconee County's top natural hazard is flood risk, ranked at the 81th percentile nationally. Homeowners here should confirm whether they are in a FEMA-designated flood zone and check if standard homeowners insurance covers flood damage — it typically does not. The county's second-ranked hazard, tornado at the 81th percentile nationally, means Oconee County residents face compounding risks from multiple natural hazard types during peak seasons. For most Oconee County households, the highest-return preparedness step is storing critical documents in digital cloud backup combined with a pre-designated family meeting point if communication is disrupted.

Regional Context

Oconee County's composite risk score sits 14.9 points above the South Carolina county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for Oconee 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 Oconee County, SC?
Oconee County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 86th 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 Oconee County?
Oconee County is evaluated for five major natural hazard types: flooding (81th percentile), tornado (81th percentile), earthquake (80th percentile), hurricane (73th percentile), wildfire (63th percentile). The highest-risk hazard is flooding at the 81th 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 Oconee County risk compare to the South Carolina average?
Oconee County's composite risk percentile is 86th, compared to the South Carolina state average of 71th percentile. The state's overall risk rating is Relatively Low. This means Oconee County faces higher natural disaster risk than the typical county in South Carolina.
Is Oconee County at risk for flooding?
Yes, Oconee County's flooding risk is at the 81th percentile nationally. This places it in the top quartile for this hazard type.
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 Oconee County higher risk than average?
Oconee County's composite risk score of 86th percentile is above the South Carolina state average of 71th percentile. This elevated risk is driven by flooding exposure (81th percentile), along with tornado and earthquake and hurricane and wildfire 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.