Hartford is 33% more expensive than Springfield.
When comparing Hartford, CT and Springfield, IL, the overall cost of living indices are 81 and 61 respectively (national median = 100). Rent is $276/month cheaper in Springfield, saving renters about $3,312/year.
Median household income is $20,237/year higher in Springfield. Home values also differ significantly — the median in Hartford is $217,200 compared to $155,200 in Springfield.
Illinois has a lower income tax rate, making Springfield slightly more tax-friendly.
Hartford vs Springfield — common questions
Other cost of living comparisons for Hartford and Springfield