Cost of living in NH is ranked 14th most expensive.
But NH is also surrounded by states with much higher costs of living. 7 of the top 10 states with the highest cost of living are all in the New England area, extending out to New York.
Note that the rankings are from Fox News - they are reporting results from Missouri Economic Research and Information Center’s quarterly cost of living index.
Cost of living index ranks Hawaii the most expensive state overall | Fox News