Niles, Ohio
Inside Niles' city limits, a shallow water table limits basements on 43% of mapped land. Shrink-swell clay limits houses without basements on 0%.
That water-table share is below Trumbull County's 77%. USDA doesn't rate the 29% of mapped land classed as urban land, so these shares are floors. FEMA's flood data list 2 flood losses since 2016 in ZIP code 44446 overlapping the city. Of its 9,598 homes, 79% were built before 1980; the median dates from 1963.
Data as of October 13, 2026 · sources · in Trumbull 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 Niles
Basement waterproofing in Niles: a shallow water table limits basements on 43% of Niles' mapped land, and the ZIP code overlapping Niles logged 2 FEMA flood losses since 2016.
About 6,100 of Niles' 9,598 homes are detached houses.
Soil under Niles city limits
| Expansive clay (limits slab homes) | 0.0% |
| High water table (limits basements) | 42.7% |
| Septic fields very limited | 53.9% |
| Clay swell (LEP, by area) | 3.3% |
| High-swell land (LEP 6%+) | 0.0% |
| Urban land, not rated | 28.9% |
| Mapped soil | 5,552 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Loudonville | 7% | n/a |
| Ellsworth | 7% | 99% |
| Fitchville | 5% | 96% |
| Mitiwanga | 5% | 95% |
| Wadsworth | 4% | n/a |
| Haskins | 4% | n/a |
What the numbers mean here
On 43% of Niles' mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 54% of the land very limited for septic absorption fields.
Drought in Trumbull County
0% of Trumbull 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 Niles. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 44446 | 94% | 2 | $0 |
Homes in Niles
| Housing units | 9,598 |
| Median year built | 1963 |
| Built before 1980 | 79% |
| Built 2000 or later | 8% |
| Owner-occupied | 54% |
| Median value, owner-occupied | $116,300 |
| Single-family detached | 64% |
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