Retirees Discover Indiana Taxes Retirement Income That Illinois Had Exempted, Producing Unexpected $3,827 Annual Bill

A retired couple who relocated from Illinois to Indiana to avoid the higher state income tax rate discovered that Indiana taxes all retirement income—including pensions, 401(k) withdrawals, and Social Security—while Illinois exempts these sources entirely. The couple's $138,000 in annual retirement income was tax-free in Illinois but created a $3,827 bill in Indiana due to the state's 2.95% rate plus a 1.5% local tax in Lake County. Retirees planning state moves should review retirement income exemptions, as significant tax savings opportunities like conducting Roth conversions before relocating can be missed.

The couple's situation illustrates a fundamental difference in how states structure retirement taxation. While Illinois treats pension income, 401(k) distributions, and Social Security as completely exempt categories under state law, Indiana applies its income tax to most retirement sources, carving out only narrow exceptions for military and certain federal pensions. This distinction means identical income streams produce vastly different state tax liabilities depending on residency.

The timing of relocation creates additional planning opportunities that retirees often overlook. Moving before executing large Roth conversions could allow individuals to convert traditional retirement accounts while subject only to federal taxation, since the new state would tax the conversion itself. Missing this window by relocating first means paying state income tax on conversions in the new jurisdiction, eliminating a valuable tax-planning strategy.