The average planner salary at Napa County was $160,145 , which is 26 percent higher than the average salary for this job in California, and 113 percent higher than the national average for this job . Planner salaries at Napa County typically range from $148,008 to $183,138 (25th to 75th percentile). The highest reported planner salary was $198,559. There are 13 employees at Napa County with the job title planner.