McMullen County, Texas
McMullen County, TX: land and buildings $1,940 an acre in the 2022 census; crop insurance loss ratio 1.63 since 1989. County averages from public records, not an appraisal of any farm. FIPS 48311. Figures as of 2026-09-20.
Heat and drought account for 76 percent of crop insurance indemnities in McMullen County across closed crop years 1989-2025, and the loss ratio for that period stands at 1.63. That share moved from 69 percent in 1989-1999, 76 percent in 2000-2009, 91 percent in 2010-2019, to 70 percent in 2020-2025. The July average nightly low has moved from 73.9 F under the 1991-2020 normal to 74.6 F in 2017-2026, with a warming trend of 0.35 F per decade since 1976. Census land value sits at $1,940 per acre, up 6.8 percent from 2017-2022.
TX median $2,782 · 85th lowest of 246
TX median 39% · 49th lowest of 251
Cash rent
Land value
Corn yield
Crop insurance record
Claims paid divided by total premium (the farmer share plus the federal subsidy), each closed crop year since 1989. Above the dashed line, the county's insurance book paid out more than it took in. 2026, still open, is left out.
Drought and weather
Weeks per year, U.S. Drought Monitor, with half the county or more in D2 (severe) drought or worse.
Land, water and programs
Acres enrolled in the Conservation Reserve Program, USDA FSA, by fiscal year.
Next door
| County | Dry rent | Irr. rent | Land value | Claims per $100 |
|---|---|---|---|---|
| McMullen County | — | — | $1,940 | — |
| Atascosa County | $19 | $140 2025 | $2,767 | $15.42 |
| Duval County | $19 2024 | — | $1,532 | $64.12 |
| La Salle County | — | — | $2,050 | — |
| Live Oak County | $20 | — | $2,775 | $26.49 |
| Median next door | $19 2 co. | — | $2,409 | $26.49 |
Counties that share a stretch of boundary. An older rent carries its year and stays out of the median.
Cite this page
AGSIST Farmland Atlas. McMullen County, Texas. Figures as of 2026-09-20, from USDA NASS, USDA RMA, USDA FSA, the U.S. Drought Monitor and NOAA. https://agsist.com/farmland-atlas/texas/mcmullen-countyEvery figure is a county average from the sources named below. Ranks count counties with 10,000 acres or more in farms, in the same survey year for rent, within the state. Methods: how each figure is built. Downloads: all counties, CSV.
Sources, dates and arithmetic
"Figures as of" is the date this page's numbers last changed; it moves only when a figure on the page does. Source files and their retrieval dates are listed on the data page.
Rent: USDA NASS Cash Rents Survey, county. Land value: Census of Agriculture, operators' estimate of land and buildings. Yield: NASS county corn yields, trend fitted here over every published year since 2008. Loss ratio: claims (indemnity) divided by total premium, USDA RMA Summary of Business, 1989 on, open crop year left out. Drought: U.S. Drought Monitor, weeks with half the county or more in D2 or worse. July lows: NOAA nClimDiv county monthly minimum temperature. A dash means the record does not carry the figure or the source withheld it; the reason is printed beside it.