The average courier salary at Harris County was $48,126 , which is 22 percent higher than the average salary for this job in Texas, and 35 percent higher than the national average for this job . Courier salaries at Harris County typically range from $42,786 to $53,467 (25th to 75th percentile). The highest reported courier salary was $58,930. There are 4 employees at Harris County with the job title courier.