Taxes & Insurance in St. Charles
St. Charles layers a combined sales tax below Illinois's own statewide average and a property tax rate that runs genuinely above the Kane County average onto Illinois's simple flat 4.95% state income tax.
Exploring the idea of moving?
We can connect you with a local real estate professional who knows the area -- no pressure, just a starting point.
Learn moreA Real, Above-County-Average Property Tax Rate
Ownwell's computed effective rate for St. Charles ran approximately 2.42% -- above Kane County's own 2.26% average, with a real ZIP-level range from 2.37% (60175) to 2.44% (60174).
A Combined Sales Tax Below the Statewide Average
St. Charles's combined sales tax rate ran 8.5% (6.25% state + 1.5% city + 0.75% special district) per Avalara's 2026 figure -- below Illinois's own roughly 8.86% statewide average.
Illinois's Flat State Income Tax and Retirement-Income Exemption
Illinois's flat 4.95% state income tax applies to earned income statewide, but Illinois taxes NONE of a retiree's Social Security, pension, or 401(k)/IRA income -- a real, substantial positive for retirement-income movers that applies identically in St. Charles.
Illinois's Statewide Homeowners-Insurance Range Applies
No St. Charles-specific premium data distinct from Illinois's own statewide range ($2,402-$3,108/year) was found this pass -- confirm current, address-specific quotes directly with a carrier.
Key takeaways
- Property tax runs a real, genuinely above-Kane-County-average 2.42%.
- Combined sales tax (8.5%) runs below Illinois's own statewide average.
- Illinois's flat 4.95% income tax excludes all retirement income -- a real, substantial positive for retirees.
- Illinois's statewide insurance range ($2,402-$3,108/year) applies; no St. Charles-specific figure was found this pass.
Want to know what your budget actually buys here?
Tell us a bit about what you're looking for and we'll connect you with someone local who can walk you through real numbers.
Get local guidanceRead the full St. Charles overview for the complete picture -- housing, taxes, climate, and who this place genuinely fits.
Planning a move?
Tell us what you're looking for and we'll connect you with a local expert who can help you make it happen.
Talk to a local expert