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Munday, Texas
Inside Munday's city limits, shrink-swell clay limits houses without basements on 66% of mapped land, the 2nd-highest of 4 cities in Knox County. A shallow water table limits basements on 1%, the 2nd-highest of 4 cities in Knox County.
That clay share is above Knox County's 27%. FEMA's flood data list no flood losses since 2016 in ZIP code 76371 overlapping the city. Of its 640 homes, 73% were built before 1980; the median dates from 1968.
Data as of October 13, 2026 · sources · in Knox 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 Munday
Foundation repair in Munday: shrink-swell clay limits slab homes on 66% of Munday's mapped land, more than in 71% of Texas cities.
About 600 of Munday's 640 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 Munday city limits
| Expansive clay (limits slab homes) | 65.7% |
| High water table (limits basements) | 0.6% |
| Septic fields very limited | 65.7% |
| Clay swell (LEP, by area) | 5.7% |
| High-swell land (LEP 6%+) | 63.5% |
| Mapped soil | 915 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 5.7% by land area here, and 63% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 66% of the mapped land.
Clay shrinks as it dries: 100% of Knox County is in drought on the latest map, and 66% of Munday's mapped land has shrink-swell clay.
USDA rates 66% of the land very limited for septic absorption fields.
Drought in Knox County
100% of Knox 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 Munday. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 76371 | 100% | 0 | $0 |
Homes in Munday
| Housing units | 640 |
| Median year built | 1968 |
| Built before 1980 | 73% |
| Built 2000 or later | 6% |
| Owner-occupied | 77% |
| Median value, owner-occupied | $79,500 |
| Single-family detached | 88% |
Nearby cities
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