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Gibsonburg, Ohio
Inside Gibsonburg's city limits, a shallow water table limits basements on 47% of mapped land. Shrink-swell clay limits houses without basements on 30%, the 4th-highest of 8 cities in Sandusky County.
That water-table share is below Sandusky County's 80%. FEMA's flood data list 1 flood losses since 2016 in ZIP code 43431 overlapping the city. Of its 1,077 homes, 86% were built before 1980; the median dates from 1939 or earlier.
Data as of October 13, 2026 · sources · in Sandusky County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
of homes built before 1980
Basement waterproofing in Gibsonburg
Basement waterproofing in Gibsonburg: a shallow water table limits basements on 47% of Gibsonburg's mapped land, and the ZIP code overlapping Gibsonburg logged 1 FEMA flood losses since 2016.
About 900 of Gibsonburg's 1,077 homes are detached houses.
Soil under Gibsonburg city limits
| Expansive clay (limits slab homes) | 30.2% |
| High water table (limits basements) | 47.2% |
| Septic fields very limited | 65.5% |
| Clay swell (LEP, by area) | 5.1% |
| High-swell land (LEP 6%+) | 15.5% |
| Mapped soil | 1,792 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Dunbridge | 16% | n/a |
| Hoytville | 16% | 99% |
| Millsdale | 16% | n/a |
| Haskins | 12% | n/a |
| Belmore | 2% | n/a |
| Mermill | 2% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 5.1% by land area here, and 15% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 30% of the mapped land.
On 47% of Gibsonburg's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 66% of the land very limited for septic absorption fields.
Drought in Sandusky County
0% of Sandusky County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Gibsonburg. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43431 | 100% | 1 | $0 |
Homes in Gibsonburg
| Housing units | 1,077 |
| Median year built | 1939 or earlier |
| Built before 1980 | 86% |
| Built 2000 or later | 7% |
| Owner-occupied | 81% |
| Median value, owner-occupied | $124,000 |
| Single-family detached | 85% |
Nearby cities
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status