FEMA flood zones · Kentucky

Franklin County, Kentucky Flood Zone Map

1,518 flood insurance claims·$32.0M paid·6 federal flood & hurricane disasters

9% of Franklin County’s area is in FEMA’s high-risk flood zones, and another 1% in shaded X (mostly the 0.2% floodplain and areas behind levees).

Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.

Coastal high risk (V, VE)FloodwayHigh risk (A, AE)Moderate (X, 500-year)Minimal (X)Undetermined (D)

Shaded areas are FEMA’s mapped flood hazard zones in and around Franklin County, Kentucky. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.

How Franklin County floods

Flash flooding from heavy rainfall and severe thunderstorms dominates the flood risk in Franklin County, Kentucky. Over the last 30 years, NOAA records show 36 flash flood events resulting in 5 deaths, alongside 20 standard flood events resulting in 1 death. Recent occurrences include minor flooding from slow-moving storms in May 2022, heavy rainfall driven by a stationary front in August 2022, a moisture-fuelled disturbance in September 2022, and a multi-day storm system in April 2025.

National Flood Insurance Program records indicate that high-risk Zone A properties experience the heaviest financial impact, accounting for 1,180 claims with an average payout of $25,405 and an average recorded water depth of 6 inches. Properties categorized under Zone UNKNOWN filed 130 claims averaging $14,637 with an average depth of 6 inches. Meanwhile, properties in Zone X, Zone X shaded, and Zone X unshaded recorded a combined 208 claims with average payouts ranging from $11,304 to $42,637 and average water depths of 3 to 8 inches.

Homeowners and real estate agents with properties in high-risk Zone A, as well as unmapped or moderate-risk Zone X areas, should pay the closest attention to local drainage patterns and severe weather alerts given the county's consistent flash flood history.

Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.

Where the flood claims came from

9% of Franklin County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

1,294 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.

How deep the water got

outlet80″ door12″24″36″48″60″72″84″

In flood insurance claims here that reported a flood depth, the average was 6 inches.

Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.

Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.

Flood claims, year by year

The worst year was 1989, with 394 claims and $3.5M paid, the year of Severe Storms & Flooding.

1978: 143 claims1979: 7 claims1981: 1 claims1983: 1 claims1984: 159 claims1985: 2 claims1986: 4 claims1987: 1 claims1988: 2 claims1989: 394 claims1990: 16 claims1991: 4 claims1992: 1 claims1994: 40 claims1995: 6 claims1996: 2 claims1997: 277 claims1998: 4 claims2000: 2 claims2002: 7 claims2003: 7 claims2004: 2 claims2006: 17 claims2008: 8 claims2010: 184 claims2011: 6 claims2013: 2 claims2014: 2 claims2015: 30 claims2016: 1 claims2017: 1 claims2018: 7 claims2021: 45 claims2025: 133 claims19801990200020102020

Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.

In their words

25 NOAA storm reports from Franklin County describe what happened, in the words of the forecasters who covered it. Read the Kentucky flood stories →

Federal disasters

27 federal disaster declarations since 1972, 6 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Winter StormJan 23, 2026
Severe Storms, Straight-line Winds, Tornadoes, And FloodingApr 2, 2025
Severe Storms, Straight-line Winds, Tornadoes, Flooding, Landslides, And MudslidesApr 2, 2025
Severe Storms, Straight-line Winds, Flooding, And LandslidesFeb 14, 2025
Severe Storms, Straight-line Winds, Flooding, Landslides, And MudslidesFeb 14, 2025
Remnants Of Hurricane HeleneSep 27, 2024
Severe Storms, Straight-line Winds, Tornadoes, Flooding, Landslides, And MudslidesMar 3, 2023
Severe, Storms, Flooding, Landslides, And MudslidesFeb 27, 2021

Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.

Recorded flood events

56 since 1996: 36 flash floods and 20 river or area floods.

EventDateDamage
Flash FloodApr 4, 2025— · 1 killed
Flash FloodMay 14, 2022—
Flash FloodAug 10, 2022—
Flash FloodSep 3, 2022—
Flash FloodAug 19, 2021—
Flash FloodDec 11, 2021— · 1 killed
FloodFeb 22, 2018—
Flash FloodAug 18, 2018—

— = no damage estimate in the record. Source: NOAA Storm Events Database.

From the storm reports

Flash Flood · Apr 4, 2025. On the night of April 2nd, 2025, a cold front approached the lower Ohio Valley. Along and ahead of the cold front, numerous supercells developed over southern Illinois and western Kentucky. These storms tracked eastward and occasionally grew upscale into a QLCS with bowing segments. Storms lasted all night and into the morning hours, as the cold front began to stall over the lower Ohio Valley. These storms left be…

Flash Flood · May 14, 2022. Scattered clusters of showers and thunderstorms developed in the afternoon hours ahead of a weakening stationary front oriented north to south across the lower Midwest. Storms fed off of diurnal instability and gradually moved southward from southern Indiana into the Louisville metro, where they intensified enough to cause scattered wind damage. Minor flooding occurred as a result of heavy rainfall in Franklin Cou…

Flash Flood · Aug 10, 2022. On August 9th and 10th, a quasi-stationary surface front meandered along the Ohio River, serving as a focus for the development of daytime showers and thunderstorms. Immediately south of the surface boundary, an unusually moist environment was present, with precipitable water values exceeding 2 inches across central Kentucky. As a result, as modest instability developed during the afternoon hours on the 9th, scatt…

Flash Flood · Sep 3, 2022. During the afternoon and evening hours on September 3rd, a combination of ample moisture and sufficient instability provided the necessary ingredients for widespread convection, resulting in locally heavy rainfall and isolated wind damage reports. On the synoptic scale, a weak mid-level disturbance was located across the mid-Mississippi Valley, with a surface low located across western Kentucky. Ahead of this dist…

National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.

The zones you’ll see on the map

Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.

Cross-section of a river floodplainDiagram: a river valley. The floodway is the channel and the land beside it; the 1%-annual-chance flood surface (the base flood elevation) covers the valley floor as zone A or AE; a narrow band higher up is shaded X, the 0.2% floodplain; higher ground is X.0.2% CHANCE A YEAR (500-YEAR)BASE FLOOD ELEVATION · 1% A YEARXAEFloodwayAEX
  1. A / AE Inside the 1%-a-year floodplain: about a 26% chance of flooding over a 30-year mortgage. AE has a mapped base flood elevation; plain A does not.
  2. Floodway The channel and the land beside it that has to be kept clear enough to carry the flood. Building here is tightly limited.
  3. X shaded The 0.2% (500-year) floodplain, plus some levee-protected and very shallow flood areas.
  4. X Outside both lines. No federal requirement to insure, which is not the same as no risk.

Every flood zone code explained →

Flood insurance in Franklin County

If a building in Franklin County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.

Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.