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Ravenna, Ohio
Inside Ravenna's city limits, a shallow water table limits basements on 74% of mapped land, the 5th-highest of 9 cities in Portage County. Shrink-swell clay limits houses without basements on 6%, the highest of 9 cities in Portage County.
That water-table share is close to Portage County's 78%. FEMA's flood data list 2 flood losses since 2016 in ZIP code 44266 overlapping the city. Of its 5,427 homes, 74% were built before 1980; the median dates from 1960.
Data as of October 13, 2026 · sources · in Portage 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 Ravenna
Basement waterproofing in Ravenna: a shallow water table limits basements on 74% of Ravenna's mapped land, more than in 58% of Ohio cities, and the ZIP code overlapping Ravenna logged 2 FEMA flood losses since 2016.
About 2,900 of Ravenna's 5,427 homes are detached houses.
Soil under Ravenna city limits
| Expansive clay (limits slab homes) | 5.7% |
| High water table (limits basements) | 73.5% |
| Septic fields very limited | 76.2% |
| Clay swell (LEP, by area) | 3.1% |
| High-swell land (LEP 6%+) | 6.9% |
| Urban land, not rated | 13.5% |
| Mapped soil | 3,623 acres |
What the numbers mean here
On 74% of Ravenna's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 76% of the land very limited for septic absorption fields.
Drought in Portage County
0% of Portage 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 Ravenna. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 44266 | 100% | 2 | $8,894 |
Homes in Ravenna
| Housing units | 5,427 |
| Median year built | 1960 |
| Built before 1980 | 74% |
| Built 2000 or later | 14% |
| Owner-occupied | 47% |
| Median value, owner-occupied | $139,700 |
| Single-family detached | 54% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Sugar Bush Knolls | 6 mi | 0% | 73% |
| Kent | 6 mi | under 1% | 33% |
| Streetsboro | 8 mi | under 1% | 76% |
| Mantua | 8 mi | 0% | 49% |
| Stow | 10 mi | 2% | 81% |
| Munroe Falls | 10 mi | 0% | 49% |
| Tallmadge | 10 mi | 1% | 73% |
| Aurora | 11 mi | under 1% | 89% |
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