Construction Supervisor salary at St. Louis County

The average construction supervisor salary at St. Louis County was $56,269 , which is 3 percent lower than the average salary for this job in Missouri, and 29 percent lower than the national average for this job . Construction Supervisor salaries at St. Louis County typically range from $57,560 to $65,579 (25th to 75th percentile). The highest reported construction supervisor salary was $79,195. There are 5 employees at St. Louis County with the job title construction supervisor.