Wood County, Ohio
A shallow water table limits basements on 91% of Wood County's mapped land, a higher share than 96% of US counties. Shrink-swell clay limits houses without basements on 55%.
None of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 13 flood losses here since 2016. 53% of homes were built before 1980, against 50% nationally; the median home dates from 1978.
Data as of October 13, 2026 · sources
expansive clay: shrink-swell limits slab homes
high water table: limits basements
in drought, October 13, 2026
of homes built before 1980
Soil under Wood County
| Expansive clay (limits slab homes) | 55.2% |
| High water table (limits basements) | 90.6% |
| Septic fields very limited | 94.0% |
| Clay swell (LEP, by area) | 4.6% |
| High-swell land (LEP 6%+) | 0.0% |
| Urban land, not rated | 1.0% |
| Mapped soil | 397,108 acres |
How we count · survey areas OH173 (2025-09-09)
What the numbers mean here
Clay swell averages a linear extensibility of 4.6% by land area here, and 0% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 55% of the mapped land.
On 91% of Wood County's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
Rain over the 12 months to August 2026: 30.42 in, 4.86 in below the 1991-2020 average year of 35.28 in.
USDA rates 94% of the land very limited for septic absorption fields.
Drought
0% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 26 of the last 52 weeks; the most was 100% of its area, in 23 weeks, most recently on the March 24, 2026 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 0% |
| D1 moderate drought or worse | 0% |
| D2 severe or worse | 0% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
13 flood losses since 2016, $102,751 paid. The worst year was 2026, with 8.
| Year | Flood losses |
|---|---|
| 2016 | 0 |
| 2017 | 1 |
| 2018 | 0 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
| 2026 to date | 8 |
Rain
| Average year, 1991-2020 | 35.28 in |
| 12 months to August 2026 | 30.42 in (-4.86) |
| 2025 | 30.00 in (-5.28) |
| Wettest year since 1895 | 2011: 51.15 in |
| Driest year since 1895 | 1963: 21.73 in |
| Days with 1 inch or more, normal at BOWLING GREEN WWTP (2 mi away) | 7.2 |
Homes
| Housing units | 57,649 |
| Median year built | 1978 |
| Built before 1980 | 53% |
| Built 2000 or later | 23% |
| Owner-occupied | 64% |
| Median value, owner-occupied | $227,600 |
| Single-family detached | 64% |
What repairs cost
Published ranges from cost guides, not quotes. More sources, and where they disagree.
Cities in Wood County
| City | Expansive clay | High water table | Homes |
|---|---|---|---|
| Bairdstown | 67% | 97% | 36 |
| Bloomdale | 59% | 97% | 312 |
| Bowling Green | 39% | 76% | 12,626 |
| Bradner | 6% | 73% | 529 |
| Custar | 90% | over 99% | 97 |
| Cygnet | 73% | 92% | 245 |
| Grand Rapids | 36% | 84% | 373 |
| Haskins | 85% | over 99% | 510 |
| Hoytville | 83% | 94% | 145 |
| Jerry City | 43% | 90% | 193 |
| Luckey | 11% | 36% | 415 |
| Millbury | 49% | 89% | 578 |
| Milton Center | 85% | 99% | 75 |
| North Baltimore | 37% | 87% | 1,651 |
| Northwood | 3% | 77% | 2,476 |
| Pemberville | 18% | 92% | 613 |
| Perrysburg | 41% | 76% | 10,760 |
| Portage | 41% | 73% | 236 |
| Risingsun | 21% | 55% | 256 |
| Rossford | 28% | 76% | 2,940 |
| Tontogany | 70% | 98% | 157 |
| Walbridge | 6% | 80% | 1,466 |
| Wayne | 0% | 74% | 383 |
| West Millgrove | 3% | 76% | 72 |
| Weston | 36% | 92% | 695 |
Nearby counties
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Henry County, OH | 23 mi | 62% | 96% |
| Lucas County, OH | 24 mi | 19% | 68% |
| Hancock County, OH | 24 mi | 33% | 93% |
| Sandusky County, OH | 25 mi | 35% | 80% |
| Seneca County, OH | 31 mi | 26% | 89% |
| Fulton County, OH | 31 mi | 17% | 85% |
| Ottawa County, OH | 34 mi | 50% | 75% |
| Putnam County, OH | 35 mi | 66% | 96% |
Sources: USDA SSURGO (September 9, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status