The average sergeant salary at Avenal was $126,493 , which is 63 percent lower than the average salary for this job in California, and 26 percent lower than the national average for this job . Sergeant salaries at Avenal typically range from $95,137 to $157,850 (25th to 75th percentile). The highest reported sergeant salary was $161,693. There are 4 employees at Avenal with the job title sergeant.