Oakland is 220% more expensive than Springfield.
When comparing Oakland, CA and Springfield, IL, the overall cost of living indices are 195 and 61 respectively (national median = 100). Rent is $972/month cheaper in Springfield, saving renters about $11,664/year.
Median household income is $31,832/year higher in Oakland. Home values also differ significantly — the median in Oakland is $924,700 compared to $155,200 in Springfield.
Illinois has a lower income tax rate, making Springfield slightly more tax-friendly.
Oakland vs Springfield — common questions
Other cost of living comparisons for Oakland and Springfield