The average planner salary at Cecil County was $56,893 , which is 23 percent lower than the average salary for this job in Maryland, and 13 percent lower than the national average for this job . Planner salaries at Cecil County typically range from $53,701 to $60,086 (25th to 75th percentile). The highest reported planner salary was $63,766. There are 4 employees at Cecil County with the job title planner.