Updated on: Jun 17, 2026
The average Principal Engineer in Iowa City, IA makes $149,450, 12% above the national average Principal Engineer salary of $133,635. This pay is 19% lower than the combined average salaries of other metroes San Jose, CA, Chicago, IL, and Columbus, OH. The average bonus for a Principal Engineer is $17,192 which represents 14.76% of their salary, with 6% of people reporting that they receive a bonus each year.
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