Gallatin County, Kentucky · Warsaw
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Gallatin County averages 20 nights a year at 20°F or colder, mostly December to February, and 17% of its homes predate 1960.
Heavy rain days of an inch or more come about 10.6 times a year here, most often in February. A sump pump that hasn't run since last season is a common weak point.
Sewage backups in Gallatin County spike on heavy-rain days, about 10.6 a year, when sewer mains fill up and water finds the lowest drain.
Roof leaks here come from summer downpours and, with about 67 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
18% of occupied homes in Gallatin County heat mainly with wood or propane, above the Kentucky county median of 12.6%.
Muggy summer nights, lows of 65°F or more, come about 68 times a year in Gallatin County. Mold after a leak spreads fastest from June through August.
Local risk profile
About 8,769 people live in Gallatin County, 98 square miles in northern Kentucky, in roughly 3,816 homes. Besides Warsaw, the county seat, the biggest communities are Glencoe and Sparta. Much of its housing is recent, with a median build year of 1993.
48/100 Water Damage Risk Index: Elevated Gallatin County ranks 74 of 120 Kentucky counties. See the statewide ranking and method.The three factors where Gallatin County ranks highest compared with other Kentucky counties.
Pipe-freeze risk in Gallatin County sits near the middle of the state. In the 2015–2024 record the county logged about 20 nights a year at or below 20°F (50th of 120) and 78 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
On February 21, 2015 the low fell to about -11°F, and in the stretch ending January 2018 the county went 13 days in a row below freezing. Leaks from split pipes typically appear the day the thaw arrives.
Expect the hardest freezes in January, inside a season that runs December to February. That's when an outdoor spigot left connected to a hose, or a pipe in a crawl space, is most likely to split.
Freezing nights typically start around Nov 5 and end around Apr 7.
Rainfall is about average for Kentucky. Of roughly 49.9 inches of yearly precipitation, the damage comes from the 10.6 days a year with an inch or more, ranked 80th of 120. February, March and April see the most. The single wettest day in the record: 3.09 inches, July 31, 2020. The worst three-day stretch dropped 4.09 inches, ending August 2, 2020, the kind of soaking that overwhelms sump pumps and storm sewers.
About 67 days a year swing from below freezing at night to above freezing by day. Those freeze-thaw cycles feed ice dams on roofs, open cracks in foundations and driveways, and stress pipes that are already marginal.
Housing
Kentucky's 120 counties range widely in housing age; Gallatin ranks 117th, with 29% of its homes built before 1980.
Housing age is mixed: 17% of homes are pre-1960 and 28% are 2000 or newer. Ask any plumber which era your house is from and you'll know which failures to watch for.
The 1980s and 1990s account for 44% of the county's homes. If yours is from those decades, look under the sinks and at the water heater for gray plastic pipe stamped PB, which is polybutylene and leak-prone.
Manufactured and mobile homes make up 25% of the housing here. Water lines in the underbelly depend on intact skirting and working heat tape, and they're usually the first to freeze in a cold snap.
Beyond water
About 68 nights a year in Gallatin County stay at 65°F or warmer, a sign of muggy summer air (31st of 120 counties). July is the wettest month. Mold grows when indoor humidity stays above about 60%, the EPA's ceiling. A basement dehumidifier set to 50% and drying anything wet within 24 to 48 hours prevents most problems.
Mold remediation: what to expectBy main heating fuel, Gallatin County homes break down as 14% utility gas, 65% electric, 14% propane and 4% wood. Wood and propane heat are more common here than in most Kentucky counties. Heating equipment is one of the leading causes of home fires nationally, and the NFPA recommends having chimneys and vents inspected every year.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Gallatin County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Boone, Grant and Owen get more pipe-freeze nights than Gallatin. Carroll County has the oldest housing nearby, with 45% of homes built before 1980.
By the numbers
| Factor | Gallatin | Kentucky median | Rank |
|---|---|---|---|
| Homes built before 1960 | 17% | 18% | 68 of 120 |
| Homes built before 1980 | 29% | 44% | 117 of 120 |
| Homes built 2000 or later | 28% | 25% | 36 of 120 |
| Manufactured or mobile homes | 25% | 19% | 28 of 120 |
| Vacant homes | 14% | 13% | 49 of 120 |
| Wood or propane heat | 18% | 13% | 45 of 120 |
| Nights at 20°F or colder | 20/yr | 20/yr | 50 of 120 |
| Days with 1 inch+ of rain | 11/yr | 12/yr | 80 of 120 |
| Freeze-thaw days | 67/yr | 73/yr | 90 of 120 |
| Muggy nights (65°F+) | 68/yr | 59/yr | 31 of 120 |
Rank 1 is the highest value. Bars run from the lowest to the highest Kentucky county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Gallatin County: freezing from December to February, heavy rain in February, March and April.
Sources: U.S. Census Bureau, ACS 2024 5-year estimates (2020-2024); weather from NOAA nClimGrid-Daily county averages (EpiNOAA), 2015–2024, averaged across the county; county boundaries from Census TIGER. Reviewed 2026-10-21. Methodology