Here's a pretty legitimate United States cost of living map (Honolulu, New York and San Jose are expensive)

From an article on CityLab about how cost-of-living really mostly means cost-of-your-rent:

This is based on RPP, or Regional Price Parity. That's a weighted statistic that tracks the different price levels of things like food, housing, etc. The data above is based on 2008-2012 and even though the stat is weighted, Jose Lobo at Arizona State pulled out th…