Forensic toxicologist salary. The average salary for forensic toxicologist is $75,000 per year but this may vary based on the location, type of industry, and the difficulty of the job. However, those with less than three years of experience may earn lower, about $60,000 annually.he salary for toxicologist varies based on the industry where they are working in. Those who are in the education industry earn an average of $29,250 to $108,200 annually, while those in the pharmaceutical research industry are paid an average of $61,000 to $128,503.