The average deputy salary at Cameron County was $40,312 , which is 46 percent lower than the average salary for this job in Texas, and 47 percent lower than the national average for this job . Deputy salaries at Cameron County typically range from $33,285 to $48,970 (25th to 75th percentile). The highest reported deputy salary was $82,102. There are 119 employees at Cameron County with the job title deputy.