How much does a Dean of Mathematics make in New Iberia, LA? The average Dean of Mathematics salary in New Iberia, LA is $111,667 as of September 01, 2024, but the range typically falls between $91,387 and $138,858. Salary ranges can vary widely depending on many important factors, including education, certifications, additional skills, the number of years you have spent in your profession. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.