And the award for American inequality goes to...

According to one measure, it is the second fastest gentrifying city in the country. According to another, measured alongside U.S. states, it has the highest level of income inequality. According to another still, its metro area boasts the highest housing costs in the country.

Which city is it?

...Washington D.C., the nation's capital. 

[Vinnie Rotondaro is NCR national correspondent. His email address is vrotondaro@ncronline.org.]