San Diego is 49% more expensive than Plano.
When comparing San Diego, CA and Plano, TX, the overall cost of living indices are 197 and 132 respectively (national median = 100). Rent is $431/month cheaper in Plano, saving renters about $5,172/year.
Median household income is $4,328/year higher in Plano. Home values also differ significantly — the median in San Diego is $848,500 compared to $440,600 in Plano.
Texas has no state income tax, giving Plano residents a significant tax advantage over California's 13.3% rate.
San Diego vs Plano — common questions
Other cost of living comparisons for San Diego and Plano