Ontario is 69% more expensive than Elgin.
When comparing Ontario, CA and Elgin, IL, the overall cost of living indices are 152 and 90 respectively (national median = 100). Rent is $656/month cheaper in Elgin, saving renters about $7,872/year.
Median household income is $5,510/year higher in Elgin. Home values also differ significantly — the median in Ontario is $568,000 compared to $252,400 in Elgin.
Illinois has a lower income tax rate, making Elgin slightly more tax-friendly.
Ontario vs Elgin — common questions
Other cost of living comparisons for Ontario and Elgin