McIntosh County, Oklahoma
A shallow water table limits basements on 36% of McIntosh County's mapped land, a higher share than 55% of US counties. Shrink-swell clay limits houses without basements on 35%.
100% of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 1 flood losses here since 2016. 45% of homes were built before 1980, against 50% nationally; the median home dates from 1983.
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 McIntosh County
| Expansive clay (limits slab homes) | 35.3% |
| High water table (limits basements) | 36.5% |
| Septic fields very limited | 82.3% |
| Clay swell (LEP, by area) | 4.6% |
| High-swell land (LEP 6%+) | 34.1% |
| Mapped soil | 455,398 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Enders | 10% | n/a |
| Linker | 9% | n/a |
| Dennis | 8% | 100% |
| Taloka | 8% | n/a |
| Hector | 8% | n/a |
| Karma | 5% | n/a |
How we count · survey areas OK091 (2025-08-29)
What the numbers mean here
Clay swell averages a linear extensibility of 4.6% by land area here, and 34% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 35% of the mapped land.
Clay shrinks as it dries: 100% of the county is in drought on the latest map, and 35% of McIntosh County's mapped land has shrink-swell clay.
On 36% of McIntosh 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: 33.69 in, 11.98 in below the 1991-2020 average year of 45.67 in.
USDA rates 82% of the land very limited for septic absorption fields.
Drought
100% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 43 of the last 52 weeks; the most was 100% of its area, in 25 weeks, most recently on the October 13, 2026 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 100% |
| D1 moderate drought or worse | 100% |
| D2 severe or worse | 100% |
| D3 extreme or worse | 8.5% |
| D4 exceptional | 0% |
Flood losses since 2016
1 flood losses since 2016, $48,273 paid. The worst year was 2021, with 1.
| Year | Flood losses |
|---|---|
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 to date | 0 |
Rain
| Average year, 1991-2020 | 45.67 in |
| 12 months to August 2026 | 33.69 in (-11.98) |
| 2025 | 50.67 in (+5.00) |
| Wettest year since 1895 | 2015: 70.08 in |
| Driest year since 1895 | 1963: 22.38 in |
| Days with 1 inch or more, normal at CHECOTAH (11 mi away) | 13.9 |
Homes
| Housing units | 11,895 |
| Median year built | 1983 |
| Built before 1980 | 45% |
| Built 2000 or later | 26% |
| Owner-occupied | 77% |
| Median value, owner-occupied | $146,200 |
| Single-family detached | 62% |
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 |
|---|---|---|---|
| Muskogee County, OK | 24 mi | 35% | 48% |
| Okmulgee County, OK | 25 mi | 37% | 53% |
| Pittsburg County, OK | 31 mi | 44% | 41% |
| Haskell County, OK | 34 mi | 32% | 36% |
| Okfuskee County, OK | 38 mi | 30% | 39% |
| Hughes County, OK | 39 mi | 31% | 43% |
| Latimer County, OK | 41 mi | 50% | 29% |
| Wagoner County, OK | 42 mi | 34% | 48% |
Sources: USDA SSURGO (August 29, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status