Moving from Illinois to SE Michigan
The real reason to leave Illinois isn't income tax — it's the property tax bill
Illinois retirees considering the Detroit metro often start by comparing income taxes, then discover the comparison is a draw. That's because both states already exempt retirement income. The case for leaving Illinois is built almost entirely on one number: property taxes. Here's the honest math.
Income Tax: A Genuine Wash
Illinois does not tax Social Security, pensions, IRA, or 401(k) distributions at all — one of the most generous retirement-income treatments in the country. Michigan, after its 2026 phase-in, exempts Social Security entirely and shields combined pension/IRA/401(k) income up to ~$65,900 single / ~$131,800 joint. For the typical retiree, both states land at roughly $0 on retirement income. Anyone selling you "lower income taxes in Michigan" relative to Illinois is misreading both states. The income-tax line is a tie.
Property Tax: Where the Move Pays Off
Illinois carries some of the highest effective property tax rates in the nation — commonly 2.0–2.7% of market value in the Chicago collar counties, and higher still in parts of Lake, McHenry, and Will. Michigan's effective rates in the SE Michigan 55+ communities, with the Principal Residence Exemption applied, generally run 1.0–1.6%. On a $400,000 home, that difference is real money every single year.
| On a $400,000 home | Illinois (collar county) | SE Michigan (w/ PRE) |
|---|---|---|
| Effective property tax rate | ~2.3% | ~1.1–1.3% |
| Annual property tax | ~$9,200 | ~$4,400–$5,200 |
| Annual savings in Michigan | ~$4,000–$4,800/year | |
| 10-year savings | ~$40,000–$48,000 | |
Choose a low-millage township like Brownstown (Bridgewater) and the gap widens further. This single category typically dwarfs every other cost difference between the two states.
First: the PRE — file Form 2368 within 90 days of closing to remove 18 mills, or you'll lose much of the advantage. Second: Proposal A uncapping — on a resale, the taxable value resets to current SEV at sale, so don't budget from the seller's old bill. Illinois has no equivalent cap-reset mechanic, so this will be unfamiliar. Get both right and the savings above hold.
What Stays the Same
Climate is broadly comparable — Chicago and Detroit share similar winters, though Michigan's lake-effect snow varies by location (the SE Michigan communities are not in the heaviest snow belts). Both are Midwest metros with four real seasons. Cultural and practical familiarity is high, which is part of why the move is an easy lifestyle transition: you're trading a high-property-tax Midwest metro for a lower-property-tax one without giving up the region's character.
Home-Price Equity Angle
Many Illinois sellers, especially from the North Shore and western suburbs, find their home equity stretches further in the SE Michigan 55+ market. A Chicago-suburb sale can fully fund a Kensington Ridge or Bridgewater purchase outright while leaving proceeds to invest — and the lower ongoing property tax means less of your retirement income is consumed by carrying costs each year.
The income-tax comparison is a tie — both states exempt retirement income. The move is justified by property taxes, where SE Michigan typically saves $4,000–$4,800/year on a $400K home (more in a low-millage township). Over a decade, that's $40,000+ that stays in your pocket. Just budget correctly for the PRE filing and Proposal A uncapping, and the Illinois-to-Michigan move is one of the cleanest property-tax arbitrage plays in the Midwest.
Next Steps
Compare communities on the total cost comparison, review the Michigan retirement income tax guide, and study the Wayne County and Oakland County tax guides to pick your township.
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