As of 2022, the salary of a US Supreme Court Justice is $274,200 per year, while the Chief Justice of the United States, who is the head of the Supreme Court, receives a slightly higher salary of $286,700 per year. These salaries are set by Congress and are subject to periodic adjustments to account for inflation. The salaries of Supreme Court justices have remained relatively flat over the last 200 years, measured against inflation. It is worth noting that some Supreme Court justices have earned additional income from book deals and outside teaching, although there are legal limits on how much they can earn from these activities.