Updated March, 2023
File A1-14

Iowa Corn and Soybean County Yields

This file includes county yield data for corn and soybeans in Iowa summarized from USDA NASS yield reports. Included in the tables are: the most recent yield, the 10-year average, and the high and low yield in the past 10 years. All values are bushels per acre, per year.

This information is helpful in developing corn and soybean budgets, cash-flow projections, or other types of analysis for farmers where the actual production history is not available. These tables are presented in the accompanying "pdf" file that you can access by clicking here or on the icon above.

More details on county yields can be found in AgDM Files A1-12, Historical Corn Yields by County and A1-13, Historical Soybean Yields by County.

Source: https://www.nass.usda.gov/Statistics_by_State/Iowa/.

In addition to the USDA NASS yield data available in this Information File, recent county yields from the USDA Risk Management Agency (RMA) for Supplemental Coverage Option (SCO) and Enhanced Coverage Option (ECO) are available in Decision Tool A1-44, SCO and ECO County Yield History for Iowa.

Ann M. Johanns, extension program specialist, 515-337-2766, aholste@iastate.edu


Ann M. Johanns

extension program specialist
View more from this author

Original author:
Darnell Smith

former extension economist-ag program specialist