FloodZoneMap.org

Jefferson County, Mississippi Flood Zones

Check an Address in Jefferson County

Enter any address in Jefferson County, Mississippi to see its FEMA flood zone

Jefferson County Disaster History

Disaster Declarations
26
Flood/Coastal Disasters
3
Hurricane Disasters
11
Latest Disaster
SEVERE WINTER STORM (2026-01-23)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Jefferson County

DeclarationTypeDate
SEVERE WINTER STORMWinter Storm2026-01-23
SEVERE WINTER STORM Winter Storm2026-01-23
SEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADOES.Severe Storm2023-06-14
HURRICANE IDAHurricane2021-08-28
HURRICANE IDAHurricane2021-08-28
SEVERE WINTER STORMSSevere Ice Storm2021-02-11
HURRICANE DELTA Hurricane2020-10-07
HURRICANE SALLYHurricane2020-09-14
HURRICANE MARCO AND TROPICAL STORM LAURAHurricane2020-08-23
COVID-19 PANDEMICBiological2020-01-20

Mississippi Statewide Flood Insurance Data

County-level NFIP data coming soon. Here are Mississippi statewide figures for context:

Total NFIP Claims
64,233
Total Claims Paid
$3.1B
Active Policies
1,111,597
Avg Premium
$538/yr

Flood Zone Types in Jefferson County

FEMA assigns flood zone designations to areas in Jefferson County, Mississippi:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Jefferson County

Properties in Jefferson County, Mississippi that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. Over 20% of NFIP claims come from low and moderate-risk areas.

Visit FloodSmart.gov to find an agent and get a quote.