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Harris County, Georgia

Natural disaster risk, federal disaster history and flood insurance facts.

Very Low overall risk
106th of 159highest risk in Georgia
$8Mexpected losses a year
13federal declarations
1 in 200homes with flood insurance
Photo: U.S. Geological Survey, public domain

Harris County, Georgia has a very low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is lower than 79% of US counties. It ranks 106th of 159 counties in Georgia. The costliest hazards here are inland flooding, tornadoes and lightning. FEMA estimates about $8.4 million a year in expected losses, or roughly $244 per resident. Since 1977 it has been included in 13 federal disaster or emergency declarations for natural events (7 major disasters). The most recent was in October 2026 (Hurricane Isaias). Fewer than 1 in 100 homes here carry federal flood insurance (78 policies). Since 1978, federal flood insurance has paid about $118,000 on 11 claims here.

FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.

Top risks in Harris County

$5.4 million a yearExpected losses. Damaging events about once every 2 years.
  • Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
  • Price a flood policy now. Most new federal policies take 30 days to start.
$836,760 a yearExpected losses. Damaging events about once every 3 years.
  • Pick a shelter spot: a basement, or an inside room on the lowest floor with no windows.
  • Turn on emergency alerts on your phone and keep a weather radio.

Lightning

Moderate
$561,719 a yearExpected losses. Damaging events about 64 times a year.
  • Go indoors when you hear thunder.
  • Use surge protectors for electronics.
HazardRatingScoreExpected loss a year
Inland floodingLow39.7
$5M
TornadoLow36.7
$837K
LightningModerate69.8
$562K
HurricaneLow64.7
$384K
Heat waveLow46.9
$361K
Strong windLow19.6
$197K
HailLow39.0
$193K
EarthquakeVery Low41.5
$187K
DroughtLow50.5
$170K
WildfireVery Low49.0
$51K
Cold waveVery Low5.9
$32K
Ice stormVery Low25.2
$27K
Winter weatherVery Low4.6
$4K
LandslideVery Low43.6
$974

Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is relatively low and community resilience is relatively moderate in FEMA's measures.

Federal disaster history

Recent disasters nationwide ›

Declarations by decade

Federal declarations for natural events that included Harris County. 2020s bar runs to November 2026.

By type

Hurricane6
Severe Storm3
Tropical Storm2
Drought1
Winter Storm1

Most recent

Oct 9, 2026Hurricane IsaiasEmergency
Jan 24, 2026Severe Winter StormEmergency
Sep 26, 2024Hurricane HeleneEmergency
Sep 15, 2017Hurricane IrmaMajor disaster
Sep 8, 2017Hurricane IrmaEmergency
Feb 26, 2016Severe Storms and FloodingMajor disaster
Apr 29, 2011Severe Storms, Tornadoes, Straight-Line Winds, and Associated FloodingMajor disaster
Sep 5, 2005Hurricane Katrina EvacuationEmergency
Sep 24, 2004Tropical Storm FrancesMajor disaster
Sep 18, 2004Hurricane IvanMajor disaster
Show all 13
Oct 10, 1995Hurricane OpalMajor disaster
Feb 23, 1990Severe Storms, Tornaodes & FloodingMajor disaster
Jul 20, 1977DroughtEmergency

Georgia also had 8 statewide declarations that did not name single counties.

Storm history since 1953

Tornado risk by county ›

The National Weather Service has logged 287 storm reports in Harris County since 1953, with 1 death and 9 injuries and about $16.1 million in reported damage. The strongest on record here was an F3 tornado on December 5, 1954.

26tornadoes
66hail reports, largest 2.75 inches
173damaging thunderstorm winds
12floods and flash floods

Strongest tornadoes

DateStrengthNearHurt / killed
Dec 5, 1954F3–1 / 0
Nov 16, 2011EF2Bartletts Ferry Lake2 / 0
Apr 27, 2011EF2Hog Gap0 / 0
Mar 3, 2019EF2Fortson0 / 0
Mar 20, 1970F2–1 / 0

Most damaging storms

DateTypeNearDamage
Nov 16, 2011TornadoBartletts Ferry Lake$5M
Apr 13, 1980Tornado–$3M
Apr 27, 2011TornadoHog Gap$2M
May 8, 2003Flash FloodCountywide$2M
Apr 15, 2011HailMountain Hill$1M
Mar 3, 2019TornadoFortson$500K

Source: NOAA Storm Events Database, county-based reports through Mar 9, 2026. Tornado records start in 1950, hail and wind in 1955, and floods and other storm types in 1996, so older decades undercount. Damage is in dollars of the year it happened and is often an estimate. Winter storms, heat and hurricanes are logged by forecast zone, not county, so they are not counted here.

Hurricanes and tropical storms

Hurricane risk by county ›

Since 1852, 1 hurricane and 21 tropical storms have passed within 65 miles of the center of Harris County, 5 of them since 1950. The strongest was Hurricane Eloise (1975), with top winds near 80 mph about 53 miles away.

1hurricanes
0major hurricanes (Category 3+)
21tropical storms
2021most recent: Fred

Strongest storms nearby

DateStormStrengthClosest
Sep 23, 1975EloiseCategory 1, 80 mph53 mi
Sep 10, 1882UnnamedTropical storm, 70 mph58 mi
Jul 8, 1896UnnamedTropical storm, 65 mph60 mi
Oct 3, 1893UnnamedTropical storm, 60 mph60 mi
Aug 28, 1881UnnamedTropical storm, 60 mph59 mi
Sep 4, 1915UnnamedTropical storm, 55 mph49 mi

Most recent storms

DateStormStrengthClosest
Aug 17, 2021FredTropical storm, 40 mph64 mi
Sep 11, 2017IrmaTropical storm, 40 mph65 mi
Sep 23, 1975EloiseCategory 1, 80 mph53 mi
Jun 15, 1965UnnamedTropical storm, 50 mph52 mi
Oct 19, 1950KingTropical storm, 35 mph63 mi
Aug 15, 1928UnnamedTropical storm, 40 mph59 mi

Source: NOAA National Hurricane Center best-track records (HURDAT2), 1851 to 2025 for the Atlantic and 1949 to 2025 for the eastern Pacific. A storm counts if its track passed within 65 miles of the county's center while it was a tropical storm or hurricane. Strength is the storm's top sustained wind at that point, not the wind measured in the county. Older storms over the open sea were sometimes missed.

Flood insurance in Harris County

Check your address flood zone ›
0.5%of homes have federal flood insurance (78 policies)
22.1%of homes in mapped high-risk flood zones are insured
$118,019paid on 11 flood claims since 1978
2018costliest year, with $60,519 paid

National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.

Homes in Harris County

$302,800median home value (Georgia $303,300, US $332,700)
1997median year homes were built (Georgia 1992, US 1980)
23%of homes built before 1980, before many modern wind, quake and flood building rules
7.7%of homes are mobile homes, which are the least safe in tornadoes and high winds

Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 14,699 housing units.

Compare in Georgia

All 159 ›
Largest countiesOverall riskTop hazard
Fulton CountyHighInland flooding
Gwinnett CountyHighInland flooding
Cobb CountyHighInland flooding
DeKalb CountyModerateInland flooding
Clayton CountyModerateInland flooding
Chatham CountyHighHurricane
Cherokee CountyModerateInland flooding
Forsyth CountyModerateInland flooding

Neighboring counties

CountyOverall riskDeclarations
Muscogee CountyModerate12
Lee County, ALLow20
Troup CountyLow13
Chambers County, ALLow21
Meriwether CountyVery Low16
Talbot CountyVery Low15

Common questions about Harris County

What is the biggest natural hazard in Harris County?

Inland flooding has the highest expected yearly losses in Harris County, about $5.4 million a year in FEMA's estimate. Tornado is second at $836,760.

How many federal disasters has Harris County had?

Harris County has been included in 13 federal disaster or emergency declarations for natural events since 1977, including 7 major disasters. The most recent was Hurricane Isaias in October 2026.

Is Harris County a high-risk place to live?

Its overall rating is Very Low, 106th highest of 159 in Georgia. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.

Do I need flood insurance in Harris County?

Standard home insurance does not cover flooding. About 1 in 200 homes in Harris County has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.

How many tornadoes has Harris County had?

NOAA records list 26 tornadoes in Harris County since 1950. The strongest was an F3 tornado on December 5, 1954. The weather service has also logged 66 hail reports and 12 floods here.

How many hurricanes have hit Harris County?

NOAA's hurricane records show 1 hurricane and 21 tropical storms passing within 65 miles of the center of Harris County. The strongest was Hurricane Eloise (1975), with winds near 80 mph.

Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.