According to Data from the Bureau of Labor Stats some of the nation's largest metro areas continue to see increases in their unemployment rate.
Currently, Data is only available up until December 2008--When the Nation's Unemployment rate was 7.2%---As of January, 2009 the US's unemployment rate was 7.6%---So If I had to guess, I'd say that most of these city's unemployment rates are really ~0.5% higher than what is currently shown.
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Of the 5 cities shown, Las Vegas has the highest unemployment rate in December, of 9.1% as gamblers and conventioneers continue to limit their trips to sin-city.
Los Angeles Metro Area saw an 8.8% unemployment rate and Atlanta was at 7.6%.
Chicago (7.1%) and New York (6.6%) Metro areas saw unemployment rates below the national average in the month of December.