Santa Clara is 98% more expensive than Vallejo.
When comparing Santa Clara, CA and Vallejo, CA, the overall cost of living indices are 307 and 155 respectively (national median = 100). Rent is $972/month cheaper in Vallejo, saving renters about $11,664/year.
Median household income is $84,174/year higher in Santa Clara. Home values also differ significantly — the median in Santa Clara is $1,527,900 compared to $557,500 in Vallejo.
Both cities share the same state tax structure since they are in California.
Santa Clara vs Vallejo — common questions
Other cost of living comparisons for Santa Clara and Vallejo