What State Produces the Most Corn?

In 2019 Iowa produced 2.584 billion bushels of corn, making it the #1 producer of corn in the United States.  Illinois produced 1.846 million bushels making it the 2nd most productive corn state.

Corn Production by State: 2019

Corn Production by State: 2019

Table of Contents

A 2020 Corn Production Forecast 
A History of Corn Production by State
How many acres of corn are grown in Iowa?
What is Iowa’s average corn yield?
How can I know state corn production before the season is over?

A 2020 Corn Production Forecast

In 2020, CropProphet predicts Iowa will produce 2.6 billion bushels of corn to Illinois 2.245 Billion bushels.  In January 2020 the USDA National Agricultural Statistical Service will release their estimates of 2019 corn production and we’ll be able to verify the forecast.

2020 US State Corn Production Forecast

2020 US State Corn Production Forecast

 

That corn production is still 16% more corn than Illinois despite a significant drought in Iowa in the summer of 2020.  The map below, created by the CropProphet corn yield forecast model, shows the impact of the drought on corn yields.   Many counties in Iowa will produce much less than normal in 2020 because of the drought.

Impacts of the 2020 Iowa Drought

Impacts of the 2020 Iowa Drought

Learn more about US crop production.

Corn Production by State: A History

We have prepared a history of state rankings of US corn production.  Has Iowa always been the #1 producer of corn in the United States?

How many acres of corn are grown in Iowa?

One way to estimate corn production is to consider how many acres of corn are grown and how much corn does an acre yield.  The graph below shows that one reason Iowa produces the most corn in the United States is that it plants the most corn.  Iowa has been the top-ranking state for planted corn for many years.

2019 Corn Planted Acres by State

State Corn Planted Acres

What is Iowa’s average corn yield?

Unlike with the planted acres and production statistics,  Iowa does not have the greatest corn yield in the United States.   Oregon and Washington have that distinction with a corn yield of approximately 220 bushels/acre.

State Corn Yield Rankings: 2019

State Corn Yield Rankings

How can know state corn production before the season is over?

CropProphet is a corn and soybean yield production system designed to ensure our customers know the impact of weather on crop production.  Grain traders, grain merchandisers, and other agribusiness participants use our sophisticated weather-based grain forecasting system to stay ahead of the market, trade profitably, and earn more money.   Discover the power of CropProphet by requesting a free trial.