Highest City of Kelso employee salary in year 2023 was $170,340. City of Kelso employees number in year 2023 was 78. City of Kelso average salary was $73,288 and median salary was $76,508. According to the last payroll, City of Kelso average salary is 2 percent lower than USA average and 3 percent lower than Washington state average. City of Kelso employee salaries are usually between $53,696 and $104,607. Top 10% of highest-earning employees have salaries ranging from $120,772 to $170,340.