The U.S Department of Agriculture (USDA) National Agricultural Statistics Service has released it's 2020 Summary of Land Values. The data is based on USDA surveys of land owners and managers.
Overall, the average values of irrigated cropland, dry cropland and native rangeland in Montana have been stable since 2015 acording to the survey data.
Below is a chart summarizing the USDA data for Montana since 2003.
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