Highest salary at City of Lewiston in year 2020 was $136,632. Number of employees at City of Lewiston in year 2020 was 441. Average annual salary was $48,082 and median salary was $45,269. City of Lewiston average salary is 3 percent higher than USA average and median salary is 4 percent higher than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 3.9 percent, the median salary increased 2.6 percent.