San Francisco is 115% more expensive than Lancaster.
When comparing San Francisco, CA and Lancaster, CA, the overall cost of living indices are 267 and 124 respectively (national median = 100). Rent is $723/month cheaper in Lancaster, saving renters about $8,676/year.
Median household income is $65,363/year higher in San Francisco. Home values also differ significantly — the median in San Francisco is $1,380,500 compared to $409,100 in Lancaster.
Both cities share the same state tax structure since they are in California.
San Francisco vs Lancaster — common questions
Other cost of living comparisons for San Francisco and Lancaster