Cost of living in Santa Cruz, California (United States) is 148% more expensive than in Zapopan (Mexico)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 667 prices entered by 38 different people.
For example, you would need at least Mex$ 126,276 ($6,651) in Santa Cruz, California to maintain the same standard of living that you can have with Mex$ 51,000 in Zapopan.