Illinois is a major agricultural state, known for producing a variety of crops and livestock. Here are the top 10 agricultural products of Illinois, USA, along with the approximate acreage and revenue in 2020, based on data from the United States Department of Agriculture (USDA):

1. Corn: Approximately 10.5 million acres of corn were planted in Illinois in 2020, generating an estimated $6.4 billion in revenue.

2. Soybeans: Approximately 9.9 million acres of soybeans were planted in Illinois in 2020, generating an estimated $4.8 billion in revenue.

3. Hogs: Illinois is one of the top hog-producing states, with approximately 3.3 million head of hogs in 2020, generating an estimated $1.6 billion in revenue.

4. Cattle and calves: Approximately 1.1 million head of cattle and calves were raised in Illinois in 2020, generating an estimated $1.1 billion in revenue.

5. Dairy: Illinois is a major dairy state, with approximately 71,000 milk cows in 2020, generating an estimated $546 million in revenue.

6. Hay: Approximately 1.9 million acres of hay were harvested in Illinois in 2020, generating an estimated $500 million in revenue.

7. Wheat: Approximately 600,000 acres of wheat were planted in Illinois in 2020, generating an estimated $257 million in revenue.

8. Chicken eggs: Approximately 6.4 billion eggs were produced in Illinois in 2020, generating an estimated $204 million in revenue.

9. Sorghum: Approximately 20,000 acres of sorghum were planted in Illinois in 2020, generating an estimated $13 million in revenue.

10. Vegetables: Approximately 14,000 acres were used for vegetable production in Illinois in 2020, generating an estimated $8 million in revenue.