Trumbull County, Ohio
A shallow water table limits basements on 77% of Trumbull County's mapped land, a higher share than 87% of US counties. Shrink-swell clay limits houses without basements on under 1%.
None of the county is in drought on the November 3, 2026 Drought Monitor map. FEMA's flood data list 25 flood losses here since 2016. 77% of homes were built before 1980, against 50% nationally; the median home dates from 1964.
Data as of November 3, 2026 · sources
expansive clay: shrink-swell limits slab homes
high water table: limits basements
in drought, November 3, 2026
of homes built before 1980
Soil under Trumbull County
| Expansive clay (limits slab homes) | 0.4% |
| High water table (limits basements) | 77.4% |
| Septic fields very limited | 84.6% |
| Clay swell (LEP, by area) | 3.2% |
| High-swell land (LEP 6%+) | 0.5% |
| Urban land, not rated | 3.1% |
| Mapped soil | 407,008 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Mahoning | 12% | 100% |
| Wadsworth | 8% | n/a |
| Sebring | 6% | n/a |
| Ravenna | 5% | n/a |
| Remsen | 5% | n/a |
| Fitchville | 5% | 96% |
How we count · survey areas OH155 (2025-09-08)
What the numbers mean here
On 77% of Trumbull 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: 41.75 in, 0.46 in below the 1991-2020 average year of 42.21 in.
USDA rates 85% of the land very limited for septic absorption fields.
Drought
0% of the county is in drought (D1 or worse) on the November 3, 2026 map. No part of the county was in drought in the last 52 weeks.
| Category, November 3, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 74.1% |
| D1 moderate drought or worse | 0% |
| D2 severe or worse | 0% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
25 flood losses since 2016, $261,561 paid. The worst year was 2018, with 8.
| Year | Flood losses |
|---|---|
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 0 |
| 2026 to date | 3 |
Rain
| Average year, 1991-2020 | 42.21 in |
| 12 months to August 2026 | 41.75 in (-0.46) |
| 2025 | 41.87 in (-0.34) |
| Wettest year since 1895 | 2011: 57.46 in |
| Driest year since 1895 | 1963: 24.78 in |
| Days with 1 inch or more, normal at MOSQUITO CREEK LAKE (1 mi away) | 7.9 |
Homes
| Housing units | 94,464 |
| Median year built | 1964 |
| Built before 1980 | 77% |
| Built 2000 or later | 8% |
| Owner-occupied | 71% |
| Median value, owner-occupied | $141,800 |
| Single-family detached | 76% |
What repairs cost
Published ranges from cost guides, not quotes. More sources, and where they disagree.
Cities in Trumbull County
| City | Expansive clay | High water table | Homes |
|---|---|---|---|
| Cortland | 0% | 82% | 3,545 |
| Girard | 0% | 47% | 5,013 |
| Hubbard | under 1% | 59% | 3,784 |
| Lordstown | 1% | 84% | 1,430 |
| McDonald | 0% | 32% | 1,426 |
| Newton Falls | under 1% | 56% | 2,753 |
| Niles | 0% | 43% | 9,598 |
| Orangeville | 0% | 61% | 73 |
| Warren | 0% | 53% | 19,012 |
| West Farmington | 0% | 77% | 188 |
| Yankee Lake | 0% | 65% | 61 |
Nearby counties
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Mahoning County, OH | 20 mi | 9% | 77% |
| Portage County, OH | 24 mi | 3% | 78% |
| Geauga County, OH | 25 mi | 1% | 84% |
| Mercer County, PA | 27 mi | 0% | 87% |
| Lawrence County, PA | 31 mi | 1% | 67% |
| Columbiana County, OH | 37 mi | 2% | 53% |
| Lake County, OH | 39 mi | 0% | 73% |
| Ashtabula County, OH | 42 mi | 2% | 89% |
Sources: USDA SSURGO (September 8, 2025) · US Drought Monitor (November 3, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status