Highest Plain City employee salary in year 2024 was $79,392. Plain City employees number in year 2024 was 143. Plain City average salary was $6,540 and median salary was $905. According to the last payroll, Plain City average salary is 91 percent lower than USA average and 86 percent lower than Utah state average. Plain City employee salaries are usually between $342 and $5,734. Top 10% of highest-earning employees have salaries ranging from $19,742 to $79,392.