Roseville is 22% more expensive than Thornton.
When comparing Roseville, CA and Thornton, CO, the overall cost of living indices are 168 and 138 respectively (national median = 100). Rent is $289/month cheaper in Thornton, saving renters about $3,468/year.
Median household income is $16,369/year higher in Roseville. Home values also differ significantly — the median in Roseville is $630,600 compared to $482,200 in Thornton.
Colorado has a lower income tax rate, making Thornton slightly more tax-friendly.
Roseville vs Thornton — common questions
Other cost of living comparisons for Roseville and Thornton