Highest salary at Northampton County in year 2023 was $254,997. Number of employees at Northampton County in year 2023 was 262. Average annual salary was $52,213 and median salary was $51,878. Northampton County average salary is 11 percent higher than USA average and median salary is 19 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 10.2 percent, the median salary increased 12.7 percent.