The average commander salary at Collin County was $147,537 , which is 29 percent higher than the average salary for this job in Texas, but 9 percent lower than the national average for this job . Commander salaries at Collin County typically range from $140,854 to $154,220 (25th to 75th percentile). The highest reported commander salary was $154,220. There are 2 employees at Collin County with the job title commander.