FBI linguist salary. FBI linguists are earning a wage rate of $27 to $41 an hour. Salary ranges from $49,571 to $119,935 for language analysts depending on level of skill. Indeed claims that the average salary for FBI linguist in all of US is $56,000 a year.These are the average rates offered in some states: California at $60,000; Texas ay $54,000; New York at $68,000; Washington, DC at $68,000; Hawaii at $36,000; Georgia at $64,000; and Utah at $44,000.he average FBI salary for agent recorded in PayScale is $65,690 per annum or an equivalent wage rate of $20 an hour. Regular hours are paid within the rates of $11.68 to $60.00 while overtime rates are from $9.66 to $75.50.