Assistant County Engineer salary at Johnson County

The average assistant county engineer salary at Johnson County was $118,976 , which is 38 percent higher than the average salary for this job in Iowa, but 5 percent lower than the national average for this job . Assistant County Engineer salaries at Johnson County typically range from $97,975 to $130,711 (25th to 75th percentile). The highest reported assistant county engineer salary was $130,711. There are 3 employees at Johnson County with the job title assistant county engineer.