Highest Sullivan City employee salary in year 2017 was $41,530. Sullivan City employees number in year 2017 was 30. Sullivan City average salary was $19,951 and median salary was $19,950. According to the last payroll, Sullivan City average salary is 73 percent lower than USA average and 59 percent lower than Texas state average. Sullivan City employee salaries are usually between $8,133 and $32,539. Top 10% of highest-earning employees have salaries ranging from $34,473 to $41,530.