>>2052791
No.
Santa Cruz, San Benito, Monterey, San Luis Obispo, Santa Barbara, and Ventura Counties have a combined population of 2,348,601 people. That is not a sparse population.
Kern, Tulare, Kings, Fresno, Madera, Merced, Stanislaus, and San Joaquin Counties have a combined population of 4,324,586 people. Larger by 2 million people, but nowhere near the 6.5 million you claimed.
The Central Coast corridor between San Jose and Los Angeles has a provably higher GDP than the Central Valley corridor between Sacramento and Los Angeles.