Magoffin County, Kentucky
USDA's soil survey flags shrink-swell clay on 4% of Magoffin County's mapped land and a shallow water table under basements on 5%, both below the national shares of 15% and 29%. None of the county is in drought on the October 13, 2026 Drought Monitor map.
FEMA's flood data list 45 flood losses here since 2016, 10% of them in buildings with basements. 38% of homes were built before 1980, against 50% nationally; the median home dates from 1986.
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 Magoffin County
| Expansive clay (limits slab homes) | 3.9% |
| High water table (limits basements) | 5.2% |
| Septic fields very limited | 90.2% |
| Clay swell (LEP, by area) | 1.4% |
| High-swell land (LEP 6%+) | 3.9% |
| Mapped soil | 198,093 acres |
How we count · survey areas KY641 (2025-09-08)
What the numbers mean here
Rain over the 12 months to August 2026: 43.76 in, 4.06 in below the 1991-2020 average year of 47.82 in.
USDA rates 90% of the land very limited for septic absorption fields.
With shrink-swell clay on 4% and a shallow water table on 5% of the land, the soil survey points to neither problem across most of Magoffin County; conditions still vary lot by lot.
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 14 of the last 52 weeks; the most was 100% of its area, in 9 weeks, most recently on the June 16, 2026 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 0% |
| D1 moderate drought or worse | 0% |
| D2 severe or worse | 0% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
45 flood losses since 2016, $691,186 paid. The worst year was 2021, with 12. Foundations of the buildings, where recorded: 10% basements, 23% slabs, 52% crawl spaces, 16% elevated. Median water depth outside the building: 24.5 in.
| Year | Flood losses |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 0 |
| 2019 | 10 |
| 2020 | 0 |
| 2021 | 12 |
| 2022 | 9 |
| 2023 | 2 |
| 2024 | 0 |
| 2025 | 8 |
| 2026 to date | 0 |
Rain
| Average year, 1991-2020 | 47.82 in |
| 12 months to August 2026 | 43.76 in (-4.06) |
| 2025 | 54.83 in (+7.01) |
| Wettest year since 1895 | 1935: 63.57 in |
| Driest year since 1895 | 1930: 27.27 in |
| Days with 1 inch or more, normal at JACKSON (15 mi away) | 12.8 |
Homes
| Housing units | 5,489 |
| Median year built | 1986 |
| Built before 1980 | 38% |
| Built 2000 or later | 21% |
| Owner-occupied | 75% |
| Median value, owner-occupied | $89,000 |
| Single-family detached | 49% |
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 |
|---|---|---|---|
| Johnson County, KY | 16 mi | 0% | 1% |
| Breathitt County, KY | 18 mi | 0% | 3% |
| Morgan County, KY | 19 mi | 9% | 13% |
| Floyd County, KY | 21 mi | 0% | 1% |
| Wolfe County, KY | 23 mi | 9% | 11% |
| Knott County, KY | 25 mi | 0% | under 1% |
| Elliott County, KY | 29 mi | 4% | 15% |
| Martin County, KY | 32 mi | 0% | 1% |
Sources: USDA SSURGO (September 8, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status