The average aide salary at Wapato was $22,887 , which is 31 percent lower than the average salary for this job in Washington, and 29 percent lower than the national average for this job . Aide salaries at Wapato typically range from $19,612 to $25,411 (25th to 75th percentile). The highest reported aide salary was $38,909. There are 74 employees at Wapato with the job title aide.