Highest salary at Strafford County in year 2023 was $217,557. Number of employees at Strafford County in year 2023 was 469. Average annual salary was $62,922 and median salary was $61,418. Strafford County average salary is 34 percent higher than USA average and median salary is 41 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 6.0 percent, the median salary increased 5.8 percent.