The average cook salary at Lafayette Parish was $27,438 , which is 19 percent lower than the average salary for this job in Louisiana, and 28 percent lower than the national average for this job . Cook salaries at Lafayette Parish typically range from $24,377 to $31,121 (25th to 75th percentile). The highest reported cook salary was $31,121. There are 3 employees at Lafayette Parish with the job title cook.