According to the most recent USDA/NASS Grain Stocks Report, off-farm grain storage capacity in the U.S. has increased 2% since December 2015 to 11.1 billion bushels. The largest numbers of off-farm grain storage facilities were in Iowa (890) and Illinois (830), and they also were the top two states for off-farm grain storage capacity with 1.5 billion bushels in Illinois, and 1.4 billion bushels in Iowa. These states were followed by Kansas at nearly 1.1 billion bushels, and Nebraska with 923 million bushels of off-farm grain storage capacity.

On-farm grain storage is estimated to be almost 13.3 billion bushels as of December 1, 2016, which is only up slightly since December 2015. Iowa, Minnesota, and Illinois were the top three states in on-farm grain storage capacity, at 2.0, 1.5, and 1.47 billion bushels, respectively.