Johnson County, Iowa
Johnson County, IA: non-irrigated cash rent $277 an acre (2026); land and buildings $10,307 an acre in the 2022 census; median corn yield 184.6 bu/ac. County averages from public records, not an appraisal of any farm. FIPS 19103. Figures as of 2026-09-20.
Non-irrigated cash rent in Johnson County is $277 per acre in 2026, up 22 percent from 2016. Land and buildings carry a census value of $10,307 per acre, with a 28.2 percent change from 2017 to 2022. Heat and drought's share of crop insurance indemnities moved from 21 percent in 1989-1999, to 25 percent in 2000-2009, to 53 percent in 2010-2019, to 51 percent in 2020-2025. The county saw 132 of 1357 weeks in severe drought or worse from 2000-2025, with 2023 as the worst year at 25 weeks. July average nightly low sits at 64.3 F for 2017-2026, against a 63.5 F normal for 1991-2020. Irrigation covers 1 percent of harvested cropland as of the 2022 census.
IA median $266 · tied for 36th highest of 99
IA median $279 · 2nd highest of 9
IA median $9,410 · 32nd highest of 99
IA median 190.1 · 29th lowest of 95
IA median $2.49 · tied for 39th lowest of 99
IA median 51% · 33rd lowest of 99
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
Bushels per acre, USDA NASS county yields, all practices. The dashed line is the median of the published years.
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 | Corn yield | Claims per $100 |
|---|---|---|---|---|---|
| Johnson County | $277 | $297 | $10,307 | 184.6 | $2.22 |
| Cedar County | $297 | — | $10,621 | 192.6 | $1.64 |
| Iowa County | $269 | — | $7,674 | 192.1 | $2.72 |
| Linn County | $258 | — | $10,758 | 189.2 | $4.10 |
| Louisa County | $242 | $263 | $7,815 | 181.6 | $1.43 |
| Muscatine County | $288 | $272 | $9,311 | 182.9 | $1.23 |
| Washington County | $286 | — | $9,552 | 185.6 | $1.27 |
| Median next door | $278 | $268 2 co. | $9,432 | 187.4 | $1.54 |
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. Johnson County, Iowa. 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/iowa/johnson-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.