San Jose is 27% more expensive than Simi Valley.
When comparing San Jose, CA and Simi Valley, CA, the overall cost of living indices are 254 and 200 respectively (national median = 100). Rent is $104/month cheaper in Simi Valley, saving renters about $1,248/year.
Median household income is $23,862/year higher in San Jose. Home values also differ significantly — the median in San Jose is $1,187,800 compared to $753,500 in Simi Valley.
Both cities share the same state tax structure since they are in California.
San Jose vs Simi Valley — common questions
Other cost of living comparisons for San Jose and Simi Valley