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Crawford County, Pennsylvania
A shallow water table limits basements on 85% of Crawford County's mapped land, a higher share than 92% of US counties and the 2nd highest of 67 Pennsylvania counties. Shrink-swell clay limits houses without basements on 0%.
None of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 37 flood losses here since 2016. 70% of homes were built before 1980, against 50% nationally; the median home dates from 1966.
Data as of October 13, 2026 · sources
expansive clay: shrink-swell limits slab homes
high water table: limits basements
in drought, October 13, 2026
of homes built before 1980
Soil under Crawford County
| Expansive clay (limits slab homes) | 0.0% |
| High water table (limits basements) | 84.6% |
| Septic fields very limited | 97.0% |
| Clay swell (LEP, by area) | 1.6% |
| High-swell land (LEP 6%+) | under 0.1% |
| Mapped soil | 663,897 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Venango | 26% | n/a |
| Cambridge | 16% | n/a |
| Frenchtown | 10% | n/a |
| Holly | 7% | n/a |
| Valois | 6% | n/a |
| Mill | 6% | n/a |
How we count · survey areas PA039 (2025-09-05)
What the numbers mean here
On 85% of Crawford County's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
Rain over the 12 months to August 2026: 45.40 in, 0.39 in below the 1991-2020 average year of 45.79 in.
USDA rates 97% of the land very limited for septic absorption fields.
Drought
0% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 12 of the last 52 weeks; the most was 84.2% of its area, on the October 14, 2025 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 49.5% |
| D1 moderate drought or worse | 0% |
| D2 severe or worse | 0% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
37 flood losses since 2016, $319,649 paid. The worst year was 2021, with 11.
| Year | Flood losses |
|---|---|
| 2016 | 1 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 11 |
| 2022 | 2 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 to date | 0 |
Rain
| Average year, 1991-2020 | 45.79 in |
| 12 months to August 2026 | 45.40 in (-0.39) |
| 2025 | 42.49 in (-3.30) |
| Wettest year since 1895 | 2011: 59.79 in |
| Driest year since 1895 | 1991: 30.21 in |
| Days with 1 inch or more, normal at LINESVILLE 1 S (17 mi away) | 7 |
Homes
| Housing units | 42,157 |
| Median year built | 1966 |
| Built before 1980 | 70% |
| Built 2000 or later | 11% |
| Owner-occupied | 75% |
| Median value, owner-occupied | $153,200 |
| Single-family detached | 73% |
What repairs cost
Published ranges from cost guides, not quotes. More sources, and where they disagree.
Nearby counties
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Venango County, PA | 27 mi | under 1% | 73% |
| Mercer County, PA | 28 mi | 0% | 87% |
| Erie County, PA | 30 mi | 0% | 82% |
| Ashtabula County, OH | 36 mi | 2% | 89% |
| Warren County, PA | 43 mi | 0% | 67% |
| Trumbull County, OH | 43 mi | under 1% | 77% |
| Forest County, PA | 46 mi | 0% | 59% |
| Clarion County, PA | 49 mi | under 1% | 50% |
Sources: USDA SSURGO (September 5, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status