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Ellis County, Texas

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

Relatively Moderate overall risk
46th of 254highest risk in Texas
$47Mexpected losses a year
21federal declarations
1 in 125homes with flood insurance
Photo: U.S. Geological Survey, public domain

Ellis County, Texas has a moderate overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 82% of US counties. It ranks 46th of 254 counties in Texas. The costliest hazards here are inland flooding, cold waves and tornadoes. FEMA estimates about $47 million a year in expected losses, or roughly $244 per resident. Since 1989 it has been included in 21 federal disaster or emergency declarations for natural events (10 major disasters). The most recent was in May 2024 (severe storms, straight-line winds, tornadoes and flooding). Fewer than 1 in 100 homes here carry federal flood insurance (469 policies). Since 1978, federal flood insurance has paid about $6.0 million on 159 claims here, including $3.9 million for floods in 2018.

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

Top risks in Ellis County

$23.8 million a yearExpected losses. Damaging events about 2 times a year.
  • 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.

Cold wave

Moderate
$6.6 million a yearExpected losses. Damaging events about once a year.
  • Insulate pipes in outside walls, crawl spaces and garages.
  • Know how to shut off the main water valve.

Tornado

Moderate
$6.4 million a yearExpected losses. Damaging events about once a year.
  • 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.
HazardRatingScoreExpected loss a year
Inland floodingModerate83.5
$24M
Cold waveModerate88.9
$7M
TornadoModerate87.8
$6M
HailHigh96.5
$4M
Heat waveModerate90.6
$3M
LightningHigh86.2
$1M
WildfireLow86.1
$805K
Strong windLow41.9
$447K
EarthquakeVery Low51.1
$303K
Ice stormLow58.0
$126K
Winter weatherModerate63.6
$106K
HurricaneVery Low52.2
$92K
DroughtLow41.7
$81K
LandslideVery Low39.2
$640

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 high in FEMA's measures.

Federal disaster history

Recent disasters nationwide ›

Declarations by decade

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

By type

Severe Storm6
Fire6
Hurricane5
Severe Ice Storm2
Drought1
Flood1

Most recent

May 17, 2024Severe Storms, Straight-Line Winds, Tornadoes, and FloodingMajor disaster
Feb 19, 2021Severe Winter StormsMajor disaster
Feb 14, 2021Severe Winter StormEmergency
Aug 24, 2020Tropical Storms Marco and LauraEmergency
Feb 9, 2016Severe Winter Storms, Tornadoes, Straight-Line Winds, and FloodingMajor disaster
May 29, 2015Severe Storms, Tornadoes, Straight-Line Winds and FloodingMajor disaster
Jun 18, 2011County Line FireFire management
Sep 10, 2008Hurricane IkeEmergency
Mar 14, 2008WildfiresEmergency
Jun 29, 2007Severe Storms, Tornadoes, and FloodingMajor disaster
Show all 21
Feb 5, 2006Venus Fire ComplexFire management
Jan 11, 2006Extreme Wildfire ThreatMajor disaster
Sep 24, 2005Hurricane RitaMajor disaster
Sep 21, 2005Hurricane RitaEmergency
Sep 2, 2005Hurricane Katrina EvacuationEmergency
Sep 1, 1999Extreme Fire HazardsEmergency
Aug 31, 1999Midlothian FireFire management
Aug 26, 1998Tropical Storm CharleyMajor disaster
Sep 10, 1993Extreme Fire HazardEmergency
May 2, 1990Severe Storms, Tornadoes & FloodingMajor disaster
May 19, 1989Severe Storms, Tornadoes & FloodingMajor disaster

Texas also had 106 statewide declarations that did not name single counties.

Storm history since 1956

Tornado risk by county ›

The National Weather Service has logged 930 storm reports in Ellis County since 1956, with 3 deaths and 150 injuries and about $80.6 million in reported damage. The strongest on record here was an F4 tornado on May 26, 1976.

63tornadoes
439hail reports, largest 4.5 inches
305damaging thunderstorm winds
110floods and flash floods

Strongest tornadoes

DateStrengthNearHurt / killed
May 26, 1976F4–0 / 0
Dec 26, 2015EF3Sardis46 / 0
Mar 26, 1961F3–4 / 0
Apr 28, 1971F2–1 / 0
Nov 22, 1983F2–6 / 0

Most damaging storms

DateTypeNearDamage
Apr 9, 2021HailItaly$20M
Oct 20, 2019TornadoMidlothian$10M
Dec 26, 2015TornadoSardis$8M
Oct 17, 1993HailWaxahachie$5M
Nov 4, 1994Thunderstorm WindWaxahachie$5M
Nov 4, 1994Thunderstorm WindRed Oak$5M

Source: NOAA Storm Events Database, county-based reports through Jul 12, 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 1871, 0 hurricanes and 6 tropical storms have passed within 65 miles of the center of Ellis County, 2 of them since 1950. The strongest was an unnamed storm in 1900, with top winds near 65 mph about 58 miles away.

0hurricanes
0major hurricanes (Category 3+)
6tropical storms
1983most recent: Alicia

Strongest storms nearby

DateStormStrengthClosest
Sep 9, 1900UnnamedTropical storm, 65 mph58 mi
Sep 12, 1961CarlaTropical storm, 45 mph65 mi
Jun 5, 1871UnnamedTropical storm, 45 mph61 mi
Aug 18, 1983AliciaTropical storm, 40 mph59 mi
Aug 18, 1915UnnamedTropical storm, 40 mph64 mi
Jun 27, 1902UnnamedTropical storm, 40 mph63 mi

Most recent storms

DateStormStrengthClosest
Aug 18, 1983AliciaTropical storm, 40 mph59 mi
Sep 12, 1961CarlaTropical storm, 45 mph65 mi
Aug 18, 1915UnnamedTropical storm, 40 mph64 mi
Jun 27, 1902UnnamedTropical storm, 40 mph63 mi
Sep 9, 1900UnnamedTropical storm, 65 mph58 mi
Jun 5, 1871UnnamedTropical storm, 45 mph61 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 Ellis County

Check your address flood zone ›
0.8%of homes have federal flood insurance (469 policies)
29.2%of homes in mapped high-risk flood zones are insured
$6 millionpaid on 159 flood claims since 1978
2018costliest year, with $3.9 million 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 Ellis County

$348,600median home value (Texas $283,800, US $332,700)
2002median year homes were built (Texas 1992, US 1980)
22%of homes built before 1980, before many modern wind, quake and flood building rules
7.5%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; 75,422 housing units.

Compare in Texas

All 254 ›
Largest countiesOverall riskTop hazard
Harris CountyVery HighInland flooding
Dallas CountyVery HighInland flooding
Tarrant CountyHighInland flooding
Bexar CountyHighInland flooding
Travis CountyHighInland flooding
Collin CountyHighTornado
Denton CountyHighTornado
Hidalgo CountyHighHurricane

Neighboring counties

CountyOverall riskDeclarations
Dallas CountyVery High25
Tarrant CountyHigh25
Johnson CountyModerate16
Kaufman CountyLow17
Henderson CountyModerate22
Navarro CountyLow24
Hill CountyLow23

Common questions about Ellis County

What is the biggest natural hazard in Ellis County?

Inland flooding has the highest expected yearly losses in Ellis County, about $23.8 million a year in FEMA's estimate. Cold wave is second at $6.6 million.

How many federal disasters has Ellis County had?

Ellis County has been included in 21 federal disaster or emergency declarations for natural events since 1989, including 10 major disasters. The most recent was Severe Storms, Straight-Line Winds, Tornadoes, and Flooding in May 2024.

Is Ellis County a high-risk place to live?

Its overall rating is Relatively Moderate, 46th highest of 254 in Texas. 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 Ellis County?

Standard home insurance does not cover flooding. About 1 in 125 homes in Ellis 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 Ellis County had?

NOAA records list 63 tornadoes in Ellis County since 1950. The strongest was an F4 tornado on May 26, 1976. The weather service has also logged 439 hail reports and 110 floods here.

How many hurricanes have hit Ellis County?

NOAA's hurricane records show 0 hurricanes and 6 tropical storms passing within 65 miles of the center of Ellis County. The strongest was an unnamed storm in 1900, with winds near 65 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.