Rush County, Indiana
A shallow water table limits basements on 87% of Rush County's mapped land, a higher share than 94% of US counties. Shrink-swell clay limits houses without basements on 17%.
None of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 6 flood losses here since 2016. 73% of homes were built before 1980, against 50% nationally; the median home dates from 1954.
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 Rush County
| Expansive clay (limits slab homes) | 16.7% |
| High water table (limits basements) | 87.1% |
| Septic fields very limited | 99.6% |
| Clay swell (LEP, by area) | 4.4% |
| High-swell land (LEP 6%+) | 0.3% |
| Mapped soil | 261,267 acres |
How we count · survey areas IN139 (2025-09-03)
What the numbers mean here
Clay swell averages a linear extensibility of 4.4% by land area here, and under 1% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 17% of the mapped land.
On 87% of Rush 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: 53.30 in, 8.34 in above the 1991-2020 average year of 44.96 in.
USDA rates over 99% 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 5 of the last 52 weeks; the most was 5.2% of its area, on the October 28, 2025 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
6 flood losses since 2016, $121,904 paid. The worst year was 2026, with 4.
| Year | Flood losses |
|---|---|
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 to date | 4 |
Rain
| Average year, 1991-2020 | 44.96 in |
| 12 months to August 2026 | 53.30 in (+8.34) |
| 2025 | 44.89 in (-0.07) |
| Wettest year since 1895 | 2011: 58.28 in |
| Driest year since 1895 | 1934: 23.98 in |
| Days with 1 inch or more, normal at RUSHVILLE (1 mi away) | 11.4 |
Homes
| Housing units | 7,387 |
| Median year built | 1954 |
| Built before 1980 | 73% |
| Built 2000 or later | 12% |
| Owner-occupied | 75% |
| Median value, owner-occupied | $166,800 |
| Single-family detached | 82% |
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 |
|---|---|---|---|
| Fayette County, IN | 15 mi | 2% | 41% |
| Shelby County, IN | 19 mi | 2% | 81% |
| Henry County, IN | 21 mi | 11% | 87% |
| Hancock County, IN | 21 mi | 4% | 96% |
| Decatur County, IN | 22 mi | 4% | 86% |
| Franklin County, IN | 26 mi | 15% | 53% |
| Union County, IN | 29 mi | 1% | 53% |
| Wayne County, IN | 30 mi | 10% | 72% |
Sources: USDA SSURGO (September 3, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status