Property tax, income tax, insurance, and HOA — what actually changes when a IL retiree establishes residency in Bluffton or Hardeeville SC
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Talk to a Specialist →Illinois has among the highest property tax rates in the United States — Cook County in particular is consistently among the highest in the nation. For a couple who has spent their career accumulating retirement assets in IL, the financial case for moving is often compelling once the numbers are run side by side. The Hilton Head / Bluffton corridor — particularly Sun City Hilton Head, Latitude Margaritaville, and The Haven — has become a primary destination for this migration precisely because the math is clear and the community quality is genuinely high.
| Tax / Cost | Illinois | Beaufort County SC | Annual Savings |
|---|---|---|---|
| Property tax ($500K home, 65+ primary) | ~$9,000–$14,000/yr (Cook, DuPage, Lake, Will Co.) | ~$1,000–$1,400/yr | ~$7,600–$12,600 saved/yr |
| Social Security — state income tax | IL exempts SS and most retirement income from state income tax | 100% exempt in SC | Depends on benefit amount |
| Cook County property tax | Among highest in US — $12,000–$18,000/yr on $500K | Beaufort Co: among lowest in Southeast | $10,600–$16,600 saved/yr |
| IL income tax (flat) | 4.95% flat | SC: 6.2% nominal but retirement deductions apply | IL rate lower for working income; SC better for retirees |
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Illinois — particularly the Chicago suburbs — represents one of the most dramatic property tax savings cases in this entire guide. Cook County homeowners paying $12,000–$18,000/year in property taxes on $500K homes find Beaufort County rates almost incomprehensible. The savings on a $500K home over 10 years ($76,000–$146,000 in avoided property taxes) is transformative for retirement financial planning. Sun City Hilton Head is the overwhelmingly most popular destination for Illinois 55+ buyers, with Latitude Margaritaville a strong second for buyers seeking new construction.
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