Denver is 47% more expensive than Aurora.
When comparing Denver, CO and Aurora, IL, the overall cost of living indices are 147 and 100 respectively (national median = 100). Rent is $235/month cheaper in Aurora, saving renters about $2,820/year.
Median household income is $1,572/year higher in Denver. Home values also differ significantly — the median in Denver is $586,700 compared to $260,400 in Aurora.
Colorado has a lower income tax rate, making Denver slightly more tax-friendly.
Denver vs Aurora — common questions
Other cost of living comparisons for Denver and Aurora