The average operator salary at Davenport was $19,685 , which is 53 percent lower than the average salary for this job in Washington, and 60 percent lower than the national average for this job . Operator salaries at Davenport typically range from $15,966 to $23,309 (25th to 75th percentile). The highest reported operator salary was $28,061. There are 8 employees at Davenport with the job title operator.