Elgin is 48% more expensive than Springfield.
When comparing Elgin, IL and Springfield, IL, the overall cost of living indices are 90 and 61 respectively (national median = 100). Rent is $315/month cheaper in Springfield, saving renters about $3,780/year.
Median household income is $22,779/year higher in Elgin. Home values also differ significantly — the median in Elgin is $252,400 compared to $155,200 in Springfield.
Both cities share the same state tax structure since they are in Illinois.
Elgin vs Springfield — common questions
Other cost of living comparisons for Elgin and Springfield