Highest salary at Theresa in year 2014 was $49,924. Number of employees at Theresa in year 2014 was 25. Average annual salary was $28,774 and median salary was $35,360. Theresa average salary is 39 percent lower than USA average and median salary is 19 percent lower than USA median salary. From 2013 to 2014, the median salary increased 2.3 percent.