Jeffersontown, Kentucky: natural disaster risk
How exposed Jeffersontown is to floods, storms and other hazards, from FEMA and NOAA records for Jefferson County.
Jeffersontown is a city of 29,199 people in Jefferson County, Kentucky. FEMA's National Risk Index rates Jefferson County relatively high for natural hazards overall, higher than most of the US. The costliest hazards there are inland flooding, tornado and earthquake, with about $342 million in expected losses a year across the county. The weather service has logged 1,201 storm reports in the county since 1957, including 34 tornadoes and 239 floods. NOAA hurricane records show 0 hurricanes and 1 tropical storm passing within 65 miles of the county's center. About 1.2% of homes in the county carry federal flood insurance.
Risk figures are for Jefferson County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.
Top risks in Jeffersontown
Full Jefferson County report ›- 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.
- 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.
- Ask whether an older house is bolted to its foundation.
- Consider separate earthquake insurance where risk is high.
All hazards
| Hazard | Rating | A year |
|---|---|---|
| Inland flooding | $213M | |
| Tornado | $80M | |
| Earthquake | $25M | |
| Cold wave | $10M | |
| Heat wave | $8M | |
| Strong wind | $2M | |
| Hail | $2M | |
| Lightning | $1M | |
| Ice storm | $569K | |
| Winter weather | $438K | |
| Wildfire | $61K | |
| Hurricane | $20K |
Homes in Jeffersontown
Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.
Strongest tornadoes in Jefferson County
More cities in Jefferson County
Common questions about Jeffersontown
Is Jeffersontown safe from natural disasters?
Jeffersontown is in Jefferson County, which FEMA's National Risk Index rates relatively high overall, higher than most of the US. The biggest hazards are inland flooding, tornado, earthquake. No place is free of risk, so check the flood map and insurance for any home you consider.
What natural disasters happen in Jeffersontown?
By expected yearly losses in Jefferson County, the top hazards are inland flooding (High), tornado (Very High), earthquake (Moderate). Jefferson County has been part of 22 federal disaster or emergency declarations for natural events.
Does Jeffersontown get tornadoes?
Yes. NOAA records list 34 tornadoes in Jefferson County since 1950; the strongest was an F4 tornado on April 3, 1974. FEMA rates tornado risk in the county very high.
Do I need flood insurance in Jeffersontown?
Standard home insurance does not cover floods. In Jefferson County, about 1.2% of homes have federal flood insurance, and FEMA rates inland flooding risk high. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.