Alameda County, California
Alameda County, CA: non-irrigated cash rent $27 an acre (2026); land and buildings $13,473 an acre in the 2022 census. County averages from public records, not an appraisal of any farm. FIPS 06001. Figures as of 2026-09-20.
Irrigated cash rent 2025 runs $566 per acre, and 85 percent of harvested cropland was irrigated as of the 2022 census, with 70 percent of that water coming from groundwater in 2015. Non-irrigated rent stands at $27 per acre in 2026, up 68.8 percent from 2016. Census land value reached $13,473 per acre in 2022, up 89.6 percent from 2017, or 13.6 percent a year. The county spent 356 of 1357 weeks, 26.2 percent, in severe drought or worse from 2000-2025, with 2015 the worst year at 52 weeks, and 94 such weeks came in 2021-2025. Heat and drought's share of indemnities moved from 7 percent in 1989-1999 to 41 percent in 2010-2019 to 14 percent in 2020-2025.
CA median $35 · 3rd lowest of 20
too few 2025 county surveys in the state to compare
CA median $11,471 · 17th highest of 52
CA median $7.22 · lowest of 42
CA median 43% · 7th highest of 55
Cash rent
Dollars per acre, USDA NASS county survey. A break in a line is a year with no published survey; nothing is drawn across it.
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 |
|---|---|---|---|---|
| Alameda County | $27 | $566 2025 | $13,473 | $0.89 |
| Contra Costa County | $31 | $379 | $9,199 | $4.36 |
| San Joaquin County | $80 2023 | $425 | $20,649 | $7.26 |
| San Mateo County | $51 2023 | $550 | $12,311 | — |
| Santa Clara County | $25 2024 | $823 2025 | $13,303 | $21.33 |
| Stanislaus County | $55 | $450 | $20,208 | $3.87 |
| Median next door | $43 2 co. | $438 | $13,303 | $5.81 |
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. Alameda County, California. 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/california/alameda-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.