The average cashier salary at Hidalgo County was $39,182 , which is 27 percent higher than the average salary for this job in Texas, but 9 percent lower than the national average for this job . Cashier salaries at Hidalgo County typically range from $36,109 to $42,118 (25th to 75th percentile). The highest reported cashier salary was $42,118. There are 3 employees at Hidalgo County with the job title cashier.