• Casey's General Stores average operating margin for 2023 was 4.42%, a 18.82% increase from 2022.
• Casey's General Stores average operating margin for 2022 was 3.72%, a 9.71% increase from 2021.
• Casey's General Stores average operating margin for 2021 was 4.12%, a 11.97% decline from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.