The top five corn-producing counties in Nebraska in 2017 were:
York (45.4 million bu);
Hamilton (42.1 million bu);
Antelope (40.5 million bu);
Buffalo (39.7 million bu); and
Phelps (38.9 million bu)
The top five soybean-producing counties in Nebraska in 2017 were:
Saunders (9,995,000 bu);
Gage (8,758,000 bu);
Platte (8,472,000 bu);
Antelope (8,468,000 bu); and
Cuming (7,665,000 bu).
More county-level data is available.