Athens County, Ohio · Athens
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With 33% of homes built before 1960 and about 25 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
Basements flood here mostly in February. Athens County averages 6.8 days a year with an inch of rain or more.
Sewage backups in Athens County spike on heavy-rain days, about 6.8 a year, when sewer mains fill up and water finds the lowest drain.
Athens County's wettest day in the 2015–2024 record brought 2.78 inches, and about 85 freeze-thaw days a year mean ice dams in some winters.
12% of occupied homes in Athens County heat mainly with wood or propane, below the Ohio county median of 15.9%.
With 32 muggy nights a year, mold in Athens County can appear within days of a leak. Dry first, then clean.
Local risk profile
With 26,471 homes and around 61,737 residents, Athens County is 504 square miles of southern Ohio. The county seat is Athens, and Nelsonville, The Plains and Glouster round out the largest towns. The county's median home was built in 1977.
37/100 Water Damage Risk Index: Moderate Athens County ranks 76 of 88 Ohio counties. See the statewide ranking and method.The three factors where Athens County ranks highest compared with other Ohio counties.
Athens County is milder than most of Ohio, but not mild enough to skip winterizing. In the 2015–2024 record the county logged about 25 nights a year at or below 20°F (80th of 88) and 102 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 14 days in a row below freezing. Leaks from split pipes typically appear the day the thaw arrives.
The freeze season here runs November to March, with January the coldest. If you travel then, leave the thermostat at 55°F or above and open sink cabinets on outside walls.
On average the first fall freeze arrives around Oct 29 and the last spring freeze around Apr 21.
Heavy rain is a bigger factor here than in most of Ohio. Of roughly 43.9 inches of yearly precipitation, the damage comes from the 6.8 days a year with an inch or more, ranked 20th of 88. February, March and June see the most. The single wettest day in the record: 2.78 inches, June 24, 2017. Multi-day storms matter most for basements; the wettest three days on record here totaled 4.72 inches (through September 10, 2018).
About 85 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
Ohio's 88 counties range widely in housing age; Athens ranks 62nd, with 54% of its homes built before 1980.
Older and newer homes sit side by side here: 33% predate 1960 and 18% are from 2000 or later. Corroded pipe is the typical failure in the first group, burst supply hoses in the second.
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.
Manufactured and mobile homes make up 12% 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.
13% of homes were vacant at survey time. A leak in an empty rental or seasonal house can run for days before anyone notices, which is why those losses tend to be larger.
Renters occupy 40% of homes. If you rent, the building is usually the landlord's to repair, but your belongings are only covered by renters insurance.
Beyond water
Athens County averages 32 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in June. Keep indoor humidity under 60%, as the EPA advises, and dry any leak within 24 to 48 hours; in a humid month a wet basement left alone won't dry by itself.
Mold remediation: what to expectBy main heating fuel, Athens County homes break down as 38% utility gas, 48% electric, 8% propane and 3% wood. Heating equipment, cooking and electrical failures cause most home fires nationally. Even a small kitchen fire can leave soot through the whole house, because smoke follows air currents into closets, ducts and attic space.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Athens County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Hocking, Meigs, Morgan, Perry and Vinton get more pipe-freeze nights than Athens. Washington County has the oldest housing nearby, with 63% of homes built before 1980.
By the numbers
| Factor | Athens | Ohio median | Rank |
|---|---|---|---|
| Homes built before 1960 | 33% | 37% | 56 of 88 |
| Homes built before 1980 | 54% | 61% | 62 of 88 |
| Homes built 2000 or later | 18% | 17% | 33 of 88 |
| Manufactured or mobile homes | 12% | 5.9% | 20 of 88 |
| Vacant homes | 13% | 8.4% | 16 of 88 |
| Wood or propane heat | 12% | 16% | 54 of 88 |
| Nights at 20°F or colder | 25/yr | 31/yr | 80 of 88 |
| Days with 1 inch+ of rain | 6.8/yr | 5.7/yr | 20 of 88 |
| Freeze-thaw days | 85/yr | 82/yr | 28 of 88 |
| Muggy nights (65°F+) | 32/yr | 35/yr | 56 of 88 |
Rank 1 is the highest value. Bars run from the lowest to the highest Ohio county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Athens County: freezing from November to March, 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