Calhoun County, Florida
A shallow water table limits basements on 72% of Calhoun County's mapped land, a higher share than 83% of US counties. Shrink-swell clay limits houses without basements on 4%.
None of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 9 flood losses here since 2016. 41% 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 Calhoun County
| Expansive clay (limits slab homes) | 4.1% |
| High water table (limits basements) | 72.2% |
| Septic fields very limited | 92.7% |
| Clay swell (LEP, by area) | 1.6% |
| High-swell land (LEP 6%+) | 4.1% |
| Mapped soil | 367,400 acres |
How we count · survey areas FL013 (2025-08-27)
What the numbers mean here
On 72% of Calhoun 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: 44.13 in, 12.85 in below the 1991-2020 average year of 56.98 in.
USDA rates 93% 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 35 of the last 52 weeks; the most was 100% of its area, in 35 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
9 flood losses since 2016, $66,921 paid. The worst year was 2018, with 4.
| Year | Flood losses |
|---|---|
| 2016 | 2 |
| 2017 | 0 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 1 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 to date | 0 |
Rain
| Average year, 1991-2020 | 56.98 in |
| 12 months to August 2026 | 44.13 in (-12.85) |
| 2025 | 46.51 in (-10.47) |
| Wettest year since 1895 | 1947: 82.42 in |
| Driest year since 1895 | 1954: 36.19 in |
| Days with 1 inch or more, normal at WEWAHITCHKA (19 mi away) | 19.9 |
Homes
| Housing units | 5,683 |
| Median year built | 1986 |
| Built before 1980 | 41% |
| Built 2000 or later | 25% |
| Owner-occupied | 79% |
| Median value, owner-occupied | $145,300 |
| Single-family detached | 59% |
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 |
|---|---|---|---|
| Liberty County, FL | 22 mi | 1% | 85% |
| Bay County, FL | 25 mi | 0% | 64% |
| Jackson County, FL | 28 mi | 1% | 49% |
| Washington County, FL | 31 mi | under 1% | 61% |
| Gulf County, FL | 37 mi | 6% | 92% |
| Gadsden County, FL | 37 mi | under 1% | 43% |
| Seminole County, GA | 43 mi | under 1% | 51% |
| Holmes County, FL | 49 mi | under 1% | 65% |
Sources: USDA SSURGO (August 27, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status