Highest salary at City of Newton in year 2020 was $143,847. Number of employees at City of Newton in year 2020 was 257. Average annual salary was $49,206 and median salary was $50,613. City of Newton average salary is 5 percent higher than USA average and median salary is 16 percent higher than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 9.6 percent, the median salary increased 11.2 percent.