Bibb County, Georgia
A shallow water table limits basements on 22% of Bibb County's mapped land. Shrink-swell clay limits houses without basements on 6%.
100% of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 56 flood losses here since 2016, 24% of them in buildings with basements. 55% of homes were built before 1980, against 50% nationally; the median home dates from 1977.
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 Bibb County
| Expansive clay (limits slab homes) | 5.5% |
| High water table (limits basements) | 21.8% |
| Septic fields very limited | 57.1% |
| Clay swell (LEP, by area) | 2.4% |
| High-swell land (LEP 6%+) | 5.5% |
| Urban land, not rated | 7.2% |
| Mapped soil | 163,700 acres |
How we count · survey areas GA021 (2025-08-29)
What the numbers mean here
On 22% of Bibb 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: 34.21 in, 12.90 in below the 1991-2020 average year of 47.11 in.
USDA rates 57% 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 34 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 | 64% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
56 flood losses since 2016, $1.7 million paid. The worst year was 2020, with 18. Foundations of the buildings, where recorded: 24% basements, 26% slabs, 29% crawl spaces, 21% elevated. Median water depth outside the building: 12 in.
| Year | Flood losses |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 18 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 1 |
| 2026 to date | 1 |
Rain
| Average year, 1991-2020 | 47.11 in |
| 12 months to August 2026 | 34.21 in (-12.90) |
| 2025 | 46.63 in (-0.48) |
| Wettest year since 1895 | 1929: 70.10 in |
| Driest year since 1895 | 1954: 26.88 in |
| Days with 1 inch or more, normal at MACON MIDDLE GA RGNL AP (9 mi away) | 14 |
Homes
| Housing units | 71,962 |
| Median year built | 1977 |
| Built before 1980 | 55% |
| Built 2000 or later | 19% |
| Owner-occupied | 51% |
| Median value, owner-occupied | $174,500 |
| Single-family detached | 64% |
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 |
|---|---|---|---|
| Jones County, GA | 17 mi | 3% | 10% |
| Crawford County, GA | 18 mi | 16% | 17% |
| Peach County, GA | 18 mi | under 1% | 17% |
| Twiggs County, GA | 18 mi | 6% | 26% |
| Monroe County, GA | 20 mi | 2% | 14% |
| Houston County, GA | 24 mi | 6% | 20% |
| Wilkinson County, GA | 30 mi | 3% | 29% |
| Baldwin County, GA | 31 mi | 6% | 15% |
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