California. While I think it can hold its own on many aspects, I would not underestimate the power of cyberwarfare. On that, converting the technological power of Silicon Valley to a total war mobilization could provide for massive advantages.
Except that in this scenario, I could see the Bay Area tech population boarding Elon Musk solar-powered hovercraft and fleeing to a recently-purchased South Pacific island to live in anarcho-capitalist utopia rather than defend the dirty, non-innovating masses who inhabit the rest of the state.