The average spanish salary at Union Twp was $71,200 , which is 4 percent higher than the average salary for this job in New Jersey, and 4 percent higher than the national average for this job . Spanish salaries at Union Twp typically range from $59,773 to $71,097 (25th to 75th percentile). The highest reported spanish salary was $112,117. There are 14 employees at Union Twp with the job title spanish.