Logan County, Ohio · Bellefontaine
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Pipes freeze in Logan County on about 36 nights a year, mostly November to March. Older homes, 38% of the stock here, are most at risk.
Basements flood here mostly in July. Logan County averages 5.6 days a year with an inch of rain or more.
Sewage backups in Logan County spike on heavy-rain days, about 5.6 a year, when sewer mains fill up and water finds the lowest drain.
Logan County's wettest day in the 2015–2024 record brought 3.4 inches, and about 80 freeze-thaw days a year mean ice dams in some winters.
27% of occupied homes in Logan County heat mainly with wood or propane, above the Ohio county median of 15.9%.
About 33 nights a year here stay at 65°F or warmer, so basements and crawl spaces can grow mold even without a leak.
Local risk profile
About 46,089 people live in Logan County, 459 square miles in western Ohio, in roughly 23,866 homes. The county seat is Bellefontaine, and De Graff, West Liberty and Russells Point round out the largest towns. The county's median home was built in 1973.
62/100 Water Damage Risk Index: Elevated Logan County ranks 12 of 88 Ohio counties. See the statewide ranking and method.The three factors where Logan County ranks highest compared with other Ohio counties.
Logan is on the colder side of Ohio for pipes. From 2015–2024 it averaged 36 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 111 nights at or below 32°F. That ranks 7th of 88 counties.
Cold snaps are the real risk. The worst in the record lasted 19 days below freezing (ending March 2015), and the low bottomed out near -11°F on January 2, 2018.
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 27 and the last spring freeze around Apr 21.
Rainfall is about average for Ohio. About 5.6 days a year bring an inch or more (46th of 88), most often in July, out of 41.9 inches of total precipitation. On September 8, 2020, 3.4 inches fell in a single day. Multi-day storms matter most for basements; the wettest three days on record here totaled 4.31 inches (through June 18, 2019).
The temperature crosses 32°F in both directions on roughly 80 days a year. Each cycle melts and refreezes water at roof edges and in foundation cracks, which is how ice dams and basement seepage get started.
Housing
58% of homes in Logan County predate 1980, close to the Ohio county median of 61.1%, which ranks 53rd of Ohio's 88 counties.
Housing age is mixed: 38% of homes are pre-1960 and 18% are 2000 or newer. Ask any plumber which era your house is from and you'll know which failures to watch for.
25% date from 1980 to 1999, the window when polybutylene, a gray flexible plastic supply pipe, was used in some homes. It's prone to leaks at the fittings, so it's worth checking for in a house from those years.
10% of homes are manufactured or mobile homes, above the Ohio county median of 5.9%. Their water lines run under the floor behind the skirting, so a torn skirt or failed heat tape freezes them faster than lines in a site-built house.
With 18% of homes empty at survey time, landlords and seasonal owners should shut off the main or schedule checks in winter. An unheated vacant house is also where many policies limit freeze coverage.
Beyond water
About 33 nights a year in Logan County stay at 65°F or warmer, a sign of muggy summer air (51st of 88 counties). June is the wettest month. 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 expectHeating fuel matters for fire risk. In Logan County it's 45% utility gas, 24% electric, 21% propane and 6% wood. Wood and propane heat are more common here than in most Ohio 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 Logan County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Logan gets more pipe-freeze nights than any of its neighbors. Hardin County has the oldest housing nearby, with 67% of homes built before 1980.
By the numbers
| Factor | Logan | Ohio median | Rank |
|---|---|---|---|
| Homes built before 1960 | 38% | 37% | 38 of 88 |
| Homes built before 1980 | 58% | 61% | 53 of 88 |
| Homes built 2000 or later | 18% | 17% | 39 of 88 |
| Manufactured or mobile homes | 9.7% | 5.9% | 25 of 88 |
| Vacant homes | 18% | 8.4% | 7 of 88 |
| Wood or propane heat | 27% | 16% | 11 of 88 |
| Nights at 20°F or colder | 36/yr | 31/yr | 7 of 88 |
| Days with 1 inch+ of rain | 5.6/yr | 5.7/yr | 46 of 88 |
| Freeze-thaw days | 80/yr | 82/yr | 55 of 88 |
| Muggy nights (65°F+) | 33/yr | 35/yr | 51 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 Logan County: freezing from November to March, heavy rain in March, June and July.
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