The average cook salary at County Of Hidalgo was $30,777 , which is 8 percent lower than the average salary for this job in Texas, and 19 percent lower than the national average for this job . Cook salaries at County Of Hidalgo typically range from $28,939 to $34,718 (25th to 75th percentile). The highest reported cook salary was $38,000. There are 7 employees at County Of Hidalgo with the job title cook.