The average nurse salary at Boone County was $53,356 , which is 20 percent higher than the average salary for this job in Indiana, but 30 percent lower than the national average for this job . Nurse salaries at Boone County typically range from $40,666 to $66,045 (25th to 75th percentile). The highest reported nurse salary was $66,045. There are 2 employees at Boone County with the job title nurse.