Do you know what the ethnic and racial breakdown in your neighborhood is?

The New York Times has a cool tool showing the distribution of racial and ethnic groups. Mapping America: Every City, Every Block explains:

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Browse local data from the Census Bureau's American Community Survey, based on samples from 2005 to 2009. Because these figures are based on samples, they are subject to a margin of error, particularly in places with a low population, and are best regarded as estimates.
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To see your neighborhood just click on the link and enter your zip code. I was surprised to see dramatic differences in my city from one area to another.

(Hat tip: Clayton Cramer's Blog)