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

Spartanburg County Disaster Risk

Spartanburg County, South Carolina

FEMA Risk Rating

Relatively Moderate

National Percentile

91th

of 3,144 counties

State Rank

#10

of 46 (1 = highest risk)

Flood Risk

93th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 93% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 59% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 88% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 92% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 81% of US counties

Risk Overview

About Natural Disaster Risk in Spartanburg County, South Carolina

Spartanburg faces above-average disaster risks nationally

With a composite risk score of 90.65 and a "Relatively Moderate" rating, Spartanburg County ranks above the national average for natural disaster exposure. The county's hazard profile reflects significant flood, tornado, and earthquake vulnerabilities.

Among South Carolina's highest-risk counties

Spartanburg's 90.65 score places it well above the state average of 70.75, making it one of the more hazard-exposed counties in South Carolina. Only a handful of South Carolina counties face comparable disaster risks.

Riskier than Union County, safer than York

Spartanburg's 90.65 risk score exceeds neighboring Union County (58.21) by 32 points, yet sits slightly below York County (88.68). The county faces notably higher tornado and flood risks than most upstate peers.

Floods and tornadoes dominate Spartanburg's hazard picture

Flood risk (92.72) and earthquake risk (91.63) are Spartanburg's top two hazards, followed closely by tornado risk (88.07). Together, these three hazards account for the county's elevated overall risk profile.

Comprehensive coverage essential for Spartanburg homes

Spartanburg residents should prioritize flood insurance, as the county's 92.72 flood risk score is among the highest in the state. Earthquake coverage and a solid homeowners policy form a complete protection strategy for the county's multi-hazard environment.

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

Preparedness Guide

What to Prepare for in Spartanburg County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    93th percentile
  2. #2
    EarthquakePrepare
    92th percentile
  3. #3
    TornadoPrepare
    88th percentile

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

Risk Advisory: Spartanburg County

Risk Verdict

FEMA's National Risk Index rates Spartanburg County at the 91th 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

Flood risk is Spartanburg County's dominant natural hazard, ranked at the 93th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 92th percentile nationally. Additional tracked hazards include tornado (88th percentile), hurricane (81th percentile), wildfire (59th percentile).

Preparedness Context

Flood risk is Spartanburg County's top hazard at the 93th percentile nationally. Households in or near designated flood zones face elevated financial exposure; flood insurance typically requires a 30-day waiting period before it takes effect, so applying before the season is advisable. Secondary earthquake exposure at the 92th percentile adds a second preparedness layer; households should review coverage options and alert sign-up for both hazard types. Households across Spartanburg County should identify the nearest community shelter and keep a basic emergency kit — water, non-perishable food, medications, flashlight, and battery radio — in a location easy to grab quickly.

Regional Context

Spartanburg County is 19.9 composite risk points above the South Carolina average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.

Is your household prepared for Spartanburg 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 Spartanburg County, SC?
Spartanburg County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 91th 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 Spartanburg County?
Spartanburg County is evaluated for five major natural hazard types: flooding (93th percentile), earthquake (92th percentile), tornado (88th percentile), hurricane (81th percentile), wildfire (59th percentile). The highest-risk hazard is flooding at the 93th 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 Spartanburg County risk compare to the South Carolina average?
Spartanburg County's composite risk percentile is 91th, compared to the South Carolina state average of 71th percentile. The state's overall risk rating is Relatively Low. This means Spartanburg County faces higher natural disaster risk than the typical county in South Carolina.
Is Spartanburg County at risk for flooding?
Yes, Spartanburg County's flooding risk is at the 93th 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 Spartanburg County higher risk than average?
Spartanburg County's composite risk score of 91th percentile is above the South Carolina state average of 71th percentile. This elevated risk is driven by flooding exposure (93th percentile), along with earthquake and tornado 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.