Roseville is 16% cheaper than Simi Valley.
When comparing Roseville, CA and Simi Valley, CA, the overall cost of living indices are 168 and 200 respectively (national median = 100). Rent is $414/month cheaper in Roseville, saving renters about $4,968/year.
Median household income is $349/year higher in Simi Valley. Home values also differ significantly — the median in Roseville is $630,600 compared to $753,500 in Simi Valley.
Both cities share the same state tax structure since they are in California.
Roseville vs Simi Valley — common questions
Other cost of living comparisons for Roseville and Simi Valley