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Ashley, Ohio
Inside Ashley's city limits, a shallow water table limits basements on 98% of mapped land, the highest of 7 cities in Delaware County. Shrink-swell clay limits houses without basements on 28%, the highest of 7 cities in Delaware County.
That water-table share is above Delaware County's 84%. FEMA's flood data list no flood losses since 2016 in ZIP code 43003 overlapping the city. Of its 704 homes, 67% were built before 1980; the median dates from 1960.
Data as of October 13, 2026 · sources · in Delaware 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 Ashley
Basement waterproofing in Ashley: a shallow water table limits basements on 98% of Ashley's mapped land, more than in 92% of Ohio cities.
About 500 of Ashley's 704 homes are detached houses.
Soil under Ashley city limits
| Expansive clay (limits slab homes) | 28.0% |
| High water table (limits basements) | 98.5% |
| Septic fields very limited | 98.5% |
| Clay swell (LEP, by area) | 4.8% |
| High-swell land (LEP 6%+) | 1.2% |
| Mapped soil | 422 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 4.8% by land area here, and 1% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 28% of the mapped land.
On 98% of Ashley'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 Delaware County
0% of Delaware 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 Ashley. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43003 | 100% | 0 | $0 |
Homes in Ashley
| Housing units | 704 |
| Median year built | 1960 |
| Built before 1980 | 67% |
| Built 2000 or later | 7% |
| Owner-occupied | 63% |
| Median value, owner-occupied | $153,400 |
| Single-family detached | 68% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Cardington | 7 mi | 12% | 96% |
| Marengo | 7 mi | 0% | 97% |
| Fulton | 7 mi | 0% | 95% |
| Waldo | 8 mi | 22% | 98% |
| Delaware | 11 mi | 23% | 72% |
| Edison | 11 mi | 13% | 89% |
| Mount Gilead | 12 mi | 1% | 61% |
| Sunbury | 12 mi | 15% | 92% |
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