Which U.S. cities have the highest costs of living?
The Council for Community and Economic Research recently measured the prices of common purchases in 307 urban areas to find the cost of the professional standard of living in each location. The index, its fifth edition, crunched more than 50,000 prices -- everything from grocery items to transportation to housing.
The national average on the index is 100.
Following is a look at each of the 10 most expensive cities in the United States.