Forty-one U.S. states do not tax Social Security benefits. However, nine states still do—each with varying rules based on the recipients’ income levels. Colorado, Connecticut, Minnesota, Montana, New Mexico,

Unfortunately, retirees living in nine states could find out they don't get to keep all of their Social Security benefits. How are Social Security benefits taxed? Before we dive into how your state government might tax your Social Security checks,

Social Security retirement benefits are subject to taxes in many cases. But familiarity with the rules and some advance planning can limit the impact.