Robertson County, Kentucky
USDA's soil survey flags shrink-swell clay on 7% of Robertson County's mapped land and a shallow water table under basements on 2%, 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 no flood losses here since 2016. 43% of homes were built before 1980, against 50% nationally; the median home dates from 1985.
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 Robertson County
| Expansive clay (limits slab homes) | 6.7% |
| High water table (limits basements) | 1.6% |
| Septic fields very limited | 91.2% |
| Clay swell (LEP, by area) | 4.1% |
| High-swell land (LEP 6%+) | 3.4% |
| Mapped soil | 64,231 acres |
How we count · survey areas KY637 (2025-09-08)
What the numbers mean here
Rain over the 12 months to August 2026: 47.83 in, 0.24 in below the 1991-2020 average year of 48.07 in.
USDA rates 91% of the land very limited for septic absorption fields.
With shrink-swell clay on 7% and a shallow water table on 2% of the land, the soil survey points to neither problem across most of Robertson 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 6 of the last 52 weeks; the most was 100% of its area, in 5 weeks, most recently on the May 19, 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
FEMA's flood data list no flood losses in Robertson County since 2016.
Rain
| Average year, 1991-2020 | 48.07 in |
| 12 months to August 2026 | 47.83 in (-0.24) |
| 2025 | 53.19 in (+5.12) |
| Wettest year since 1895 | 2018: 67.39 in |
| Driest year since 1895 | 1930: 25.80 in |
| Days with 1 inch or more, normal at CYNTHIANA (16 mi away) | 12.1 |
Homes
| Housing units | 1,003 |
| Median year built | 1985 |
| Built before 1980 | 43% |
| Built 2000 or later | 24% |
| Owner-occupied | 80% |
| Median value, owner-occupied | $165,100 |
| Single-family detached | 70% |
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 |
|---|---|---|---|
| Bracken County, KY | 12 mi | 8% | 4% |
| Nicholas County, KY | 12 mi | 29% | 2% |
| Mason County, KY | 14 mi | 43% | 5% |
| Harrison County, KY | 15 mi | 11% | 3% |
| Pendleton County, KY | 20 mi | 14% | 8% |
| Fleming County, KY | 22 mi | 21% | 12% |
| Bourbon County, KY | 23 mi | 56% | 5% |
| Bath County, KY | 31 mi | 15% | 18% |
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