The average cook salary at County Of Dallas was $33,276 , which is 1 percent lower than the average salary for this job in Texas, and 20 percent lower than the national average for this job . Cook salaries at County Of Dallas typically range from $15,814 to $44,593 (25th to 75th percentile). The highest reported cook salary was $46,975. There are 16 employees at County Of Dallas with the job title cook.