One map shows how expensive it is to live across the country

California had the highest regional price parity last year, which suggests living there is expensive.

Carmen Martínez Torrón/Getty Images

• New regional price parity data showed the varying cost of living in the US.
• California and Washington, DC, had the highest cost of living, largely driven by housing costs.
• Most of the states with the lowest relative cost of living were around the middle of the country.

Many states have a lower cost of living than the national average...