The median home price in San Jose, CA is about $850,000 at present (March 12, 2017) according to Zillow.
The average rent for a one bedroom apartment in San Jose is about $2473 per month (https://www.rentjungle.com/average-rent-in-san-jose-rent-tre...)
The US Census lists a median home price for the United States as a whole of $221,800 in 2010 (https://www.census.gov/const/uspriceann.pdf)
Median monthly gross residential rent in the United States was $934 in 2014 according to the Census ACS survey. (http://www.deptofnumbers.com/rent/us/)
Other living expenses are often 10-25 percent higher in the major urban areas in California where most people live than other parts of the United States. (personal experience)
It is housing and rental costs that dominate the disparity with much of the country however.