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Huntsville, Ohio
Inside Huntsville's city limits, a shallow water table limits basements on 83% of mapped land, the 5th-highest of 13 cities in Logan County. Shrink-swell clay limits houses without basements on 45%, the 5th-highest of 13 cities in Logan County.
That water-table share is close to Logan County's 81%. FEMA's flood data list no flood losses since 2016 in ZIP code 43324 overlapping the city. Of its 195 homes, 74% were built before 1980; the median dates from 1954.
Data as of October 13, 2026 · sources · in Logan 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 Huntsville
Basement waterproofing in Huntsville: a shallow water table limits basements on 83% of Huntsville's mapped land, more than in 69% of Ohio cities.
About 100 of Huntsville's 195 homes are detached houses.
Soil under Huntsville city limits
| Expansive clay (limits slab homes) | 45.3% |
| High water table (limits basements) | 82.7% |
| Septic fields very limited | 98.4% |
| Clay swell (LEP, by area) | 6.1% |
| High-swell land (LEP 6%+) | 44.8% |
| Mapped soil | 194 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 6.1% by land area here, and 45% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 45% of the mapped land.
On 83% of Huntsville's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 98% of the land very limited for septic absorption fields.
Drought in Logan County
0% of Logan 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 Huntsville. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43324 | 100% | 0 | $0 |
Homes in Huntsville
| Housing units | 195 |
| Median year built | 1954 |
| Built before 1980 | 74% |
| Built 2000 or later | 10% |
| Owner-occupied | 56% |
| Median value, owner-occupied | $176,900 |
| Single-family detached | 76% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Russells Point | 5 mi | 67% | 79% |
| Belle Center | 6 mi | 38% | 67% |
| Bellefontaine | 6 mi | 7% | 60% |
| Rushsylvania | 7 mi | 83% | 96% |
| Lakeview | 7 mi | 82% | 90% |
| Zanesfield | 10 mi | 23% | 21% |
| De Graff | 11 mi | 5% | 55% |
| Valley Hi | 11 mi | 1% | 23% |
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