Photo: formulanone · CC BY-SA 2.0Marietta’s building-damage rate from hail is in the top 4% of U.S. census tracts
On FEMA’s National Risk Index, Marietta gets a B− for hazard risk: higher expected damage per building than 50% of U.S. towns, #10 of 131 in Oklahoma. Most of that expected damage is river and rain flooding (47%), then hail (17%). Flood insurance has paid 1 claim here since 2010.
Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded
What Marietta faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
River and rain flooding
Hail
Tornadoes
Strong wind
Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.
What’s behind Marietta’s grade
River and rain flooding is 47% of the building damage FEMA expects in Marietta, and Marietta’s rate of river and rain flooding damage is lower than 72% of U.S. census tracts. Hail adds 17%, at a rate in the top 4% of U.S. census tracts.
B− #10 of 131 in Oklahoma; higher expected damage per building than 50% of U.S. towns (21,298).
Marietta’s residents live in 2 census tracts; FEMA’s figures are combined by where they live.
The typical Oklahoma town has higher expected damage than 69% of U.S. towns; within the state, Marietta has less expected damage per building than 93% of Oklahoma towns.
In dollars, FEMA expects about $1.3M a year in losses across Marietta: $575K to buildings, the rest to people and crops.
Does Marietta flood? Rarely: 1 flood claim since 2010
Every paid claim on a federal flood insurance policy in Marietta, from FEMA’s records: 0.9 per 1,000 homes, fewer than 80% of the 13,809 U.S. towns with a flood insurance record.
Marietta isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Love County.3 federal disasters brought FEMA money to Marietta
Disasters that paid out in Marietta itself (aid to households or repair grants to the City of Marietta), newest first, with that year’s flood claims.
- 2024Severe Storms, Straight-line Winds, Tornadoes, and Flooding195 households applied for aid$630K aid approved$9K to the City of Marietta for repairs
- 2015Severe Storms, Tornadoes, Straight-line Winds, and Flooding36 households applied for aid$63K aid approved
- 2000Severe Winter Ice Storm$11K to the City of Marietta for repairs
Love County has had 21 natural disasters declared by the President since 1953, most often severe storms, then winter storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Old photos of Marietta after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Marietta archive →Get ready for what Marietta faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- Turn around at flooded roads: a foot of moving water can carry off a car.
- Flood insurance usually takes 30 days to start, so buy it before the forecast.
- Keep papers and medicines up high, in a grab-and-go bag.
- Park in a garage or under cover when storms are forecast.
- Stay away from windows while it falls.
- Photograph roof and car damage for your insurer.
- Pick your spot now: the lowest floor, an inside room, no windows.
- A watch means be ready; a warning means take cover now.
- Keep shoes and a flashlight by the bed.
- Trim dead limbs over the house and driveway.
- Tie down trash cans and outdoor furniture.
- Stay clear of downed lines and call the utility.
- Look up the address on FEMA’s flood map.
- Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
- Get a flood insurance quote early: policies usually start 30 days after you buy.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Marietta
Is Marietta at risk for natural disasters?
On FEMA’s National Risk Index, Marietta has higher expected damage per building than 50% of U.S. towns: B− for hazard risk, #10 of 131 in Oklahoma. Most of the expected damage is river and rain flooding (47%) and hail (17%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Marietta flood?
Flood insurance has paid 1 claim in Marietta since 2010, $10K in all, or 0.9 per 1,000 homes, fewer than 80% of U.S. towns with a flood insurance record.
Is Marietta in a flood zone?
Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Love County, 0.0% of all homes carry federal flood insurance.
How much is flood insurance in Marietta?
FEMA’s Community Rating System list shows no discount for Marietta’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Marietta?
By FEMA money that reached Marietta, Severe Storms, Straight-line Winds, Tornadoes, and Flooding (2024): 195 households applied for aid, $630K approved, and $9K to the City of Marietta for repairs.
Is Marietta at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (47%), and Marietta’s rate for it is lower than 72% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Marietta.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Marietta’s residents lived in the 2020 census; OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.