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Floydada, Texas
Inside Floydada's city limits, shrink-swell clay limits houses without basements on over 99% of mapped land, higher than 100% of Texas cities. A shallow water table limits basements on 4%.
That clay share is above Floyd County's 84%. FEMA's flood data list no flood losses since 2016 in ZIP code 79235 overlapping the city. Of its 1,206 homes, 83% were built before 1980; the median dates from 1965.
Data as of October 13, 2026 · sources · in Floyd County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
of homes built before 1980
Foundation repair in Floydada
Foundation repair in Floydada: shrink-swell clay limits slab homes on over 99% of Floydada's mapped land, more than in 100% of Texas cities.
About 1,100 of Floydada's 1,206 homes are detached houses.
| Who designs the repair | The ASCE Texas Section's repair guidelines say a Texas-licensed engineer should evaluate the foundation and design the repair (2022 guidelines) |
| Prices | Cost guide ranges compared |
Soil under Floydada city limits
| Expansive clay (limits slab homes) | 99.8% |
| High water table (limits basements) | 4.3% |
| Septic fields very limited | 97.9% |
| Clay swell (LEP, by area) | 6.4% |
| High-swell land (LEP 6%+) | 97.9% |
| Mapped soil | 1,302 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 6.4% by land area here, and 98% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under over 99% of the mapped land.
Clay shrinks as it dries: 100% of Floyd County is in drought on the latest map, and over 99% of Floydada's mapped land has shrink-swell clay.
USDA rates 98% of the land very limited for septic absorption fields.
Drought in Floyd County
100% of Floyd County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Floydada. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 79235 | 100% | 0 | $0 |
Homes in Floydada
| Housing units | 1,206 |
| Median year built | 1965 |
| Built before 1980 | 83% |
| Built 2000 or later | 8% |
| Owner-occupied | 69% |
| Median value, owner-occupied | $89,700 |
| Single-family detached | 90% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Lockney | 11 mi | 97% | under 1% |
| Petersburg | 17 mi | 95% | 1% |
| Ralls | 21 mi | 98% | 2% |
| Crosbyton | 24 mi | 90% | 2% |
| Lorenzo | 24 mi | 94% | 3% |
| Plainview | 26 mi | 91% | 15% |
| Roaring Springs | 28 mi | 0% | under 1% |
| Matador | 30 mi | under 1% | 0% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status