Franklin County Flood Zones
County seat: Apalachicola. 12,418 residents. Coastal county — Florida Panhandle (Gulf).
Flood risk in Franklin County
Situated in the Florida panhandle, Franklin County confronts significant flood hazards driven by its low-lying coastal geography and exposure to Gulf systems. This region faces high risks from both storm surge and rain-driven flooding, a reality underscored by a recent history of federal disaster declarations. The county seat of Apalachicola and the community of Carrabelle have been repeatedly impacted by severe weather events in recent years. Notable instances include Hurricane Idalia in 2023 and Tropical Storm Helene in 2024, both of which triggered disaster numbers and highlighted the area's vulnerability to rapid water level changes and heavy precipitation. The concentration of tropical systems and hurricanes striking the panhandle, such as Hurricane Nicole in 2022 and Tropical Storm Debby in 2024, demonstrates a pattern of frequent disruption that affects the entire population of over 12,000 residents. With storm surge risk rated as high alongside rain flood risk, the local environment requires constant vigilance during the Atlantic hurricane season. Residents and property owners in Franklin County should verify their specific flood insurance requirements and evacuation routes before the onset of each storm season.
Risk profile
Located in the Florida panhandle, Franklin County faces high risks from both storm surge and rain-driven flooding due to its coastal geography. The area has experienced repeated federal disaster declarations from recent storms, including Hurricane Idalia in 2023 and Tropical Storm Helene in 2024.
Recent FEMA-declared storms
Tropical systems that triggered federal disaster declarations covering Franklin County (most recent first):
- TS Helene (2024)
- TS Debby (2024)
- TS Idalia (2023)
- Hurricane Nicole (2022)
- Hurricane Ian (2022)
- Hurricane Fred (2021)
- Hurricane Sally (2020)
- Hurricane Dorian (2019)
Source: OpenFEMA Disaster Declarations Summaries.
Major cities in Franklin County
- Carrabelle2,570
- Apalachicola2,461
Source: US Census SUB-EST 2024.
Need real numbers, not estimates?
Buying or selling in Franklin County? A local Florida agent can tell you how flood zone affects price, insurance, and closing.
FAQ
What flood zones are in Franklin County?
Franklin County contains a mix of FEMA flood zones. Coastal and low-lying areas typically fall in Special Flood Hazard Areas (zones AE, A, VE), while higher-elevation areas are usually Zone X. Use the lookup tool above to check any specific address against the live National Flood Hazard Layer.
What hurricanes have impacted Franklin County recently?
Storms that triggered FEMA disaster declarations covering Franklin County since 2022: Helene (2024), Debby (2024), Idalia (2023), Nicole (2022), Ian (2022). Federal disaster declarations cover both direct landfall counties and surrounding counties eligible for federal assistance.
Is flood insurance required in Franklin County?
Flood insurance is federally required for any property in a Special Flood Hazard Area (zones beginning with A or V) that has a federally backed mortgage. In Zone X it is optional but often inexpensive. The lookup tool above tells you whether a specific address falls in an SFHA.
How does storm surge affect Franklin County?
As a Florida Panhandle (Gulf) county, Franklin faces high storm surge risk during tropical systems. Storm surge is separate from rainfall flooding and is not always reflected in FEMA flood zone designations — check your county's evacuation zone as well.
What is the population of Franklin County?
12,418 residents (ACS5 2023, US Census). The county seat is Apalachicola.
Sources: FEMA National Flood Hazard Layer, OpenFEMA Disaster Declarations, US Census Bureau (ACS 5-year, SUB-EST 2024), Florida Department of Environmental Protection. Flood zone designations and risk profiles change over time — always verify with the official lookup before making property decisions.