Allen County, Kentucky · Scottsville
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With 16% of homes built before 1960 and about 15 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
Heavy rain days of an inch or more come about 14.3 times a year here, most often in February. A sump pump that hasn't run since last season is a common weak point.
Backups often follow heavy rain, which Allen County gets about 14.3 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
In Allen County, 3.85 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
16% of occupied homes in Allen 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 Allen County. Mold after a leak spreads fastest from June through August.
Local risk profile
With 9,275 homes and around 21,293 residents, Allen County is 344 square miles of southern Kentucky. Scottsville is the county seat. Much of its housing is recent, with a median build year of 1992.
48/100 Water Damage Risk Index: Elevated Allen County ranks 72 of 120 Kentucky counties. See the statewide ranking and method.The three factors where Allen County ranks highest compared with other Kentucky counties.
Winters here are on the gentler end for Kentucky, and pipes still freeze. It averaged 74 freezing nights a year over 2015–2024, 15 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 120 Kentucky counties that's 102nd.
Cold snaps are the real risk. The worst in the record lasted 8 days below freezing (ending February 2021), and the low bottomed out near -6°F on February 19, 2015.
Most freezing nights fall from December to February, peaking in January. Disconnect garden hoses and shut off outdoor spigots before the first hard frost, and keep the heat at 55°F or higher if you'll be away.
Freezing nights typically start around Nov 2 and end around Apr 9.
Heavy rain is a bigger factor here than in most of Kentucky. About 14.3 days a year bring an inch or more (15th of 120), most often in February, out of 56.6 inches of total precipitation. On September 1, 2017, 3.85 inches fell in a single day. The worst three-day stretch dropped 6.33 inches, ending September 2, 2017, the kind of soaking that overwhelms sump pumps and storm sewers.
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 67 times a year here. They're the main driver of ice dams and of water working its way through foundation cracks in late winter.
Housing
Roughly 36% of the county's housing was built before 1980. That puts Allen among the newer housing stocks of Kentucky's 120 counties.
Since 2000 the county has added enough housing that 36% of homes are that new. Modern PEX and copper rarely fail on their own; the leaks come from connections, appliances and storms.
About 28% of homes went up between 1980 and 1999. Some houses from the late 1970s to the mid-1990s were plumbed with polybutylene, a gray plastic pipe known for failing at fittings. A plumber can tell you in a few minutes whether you have it.
Here 20% of housing is manufactured homes. Check the skirting and the heat tape on the main water line every fall, because that one exposed line is what freezes.
Beyond water
About 68 nights a year in Allen County stay at 65°F or warmer, a sign of muggy summer air (31st of 120 counties). February 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 expectMain heating fuel in Allen County's occupied homes: 8% utility gas, 76% electric, 10% propane and 6% wood. Wood heat is above the Kentucky norm. Annual chimney and vent inspection, which the NFPA recommends, is one of the most effective fire-prevention habits for these homes.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Allen County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Barren and Monroe get more pipe-freeze nights than Allen. Monroe County has the oldest housing nearby, with 57% of homes built before 1980.
By the numbers
| Factor | Allen | Kentucky median | Rank |
|---|---|---|---|
| Homes built before 1960 | 16% | 18% | 75 of 120 |
| Homes built before 1980 | 36% | 44% | 94 of 120 |
| Homes built 2000 or later | 36% | 25% | 9 of 120 |
| Manufactured or mobile homes | 20% | 19% | 52 of 120 |
| Vacant homes | 13% | 13% | 57 of 120 |
| Wood or propane heat | 16% | 13% | 55 of 120 |
| Nights at 20°F or colder | 15/yr | 20/yr | 102 of 120 |
| Days with 1 inch+ of rain | 14/yr | 12/yr | 15 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 Allen County: freezing from December to February, heavy rain in February, March and June.
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