The average sergeant salary at El Monte was $309,160 , which is 2 percent higher than the average salary for this job in California, and 120 percent higher than the national average for this job . Sergeant salaries at El Monte typically range from $270,633 to $326,980 (25th to 75th percentile). The highest reported sergeant salary was $388,798. There are 17 employees at El Monte with the job title sergeant.