The New York Times is promoting this colorful tool based on data from the Census Bureau that gives you a visual representation of neighborhoods and their ethnic makeup. I found it very interesting to look up neighborhoods I've lived in to see how they compare numerically to how I perceived them - it's pretty accurate. But our advisors often look for this type of information on behalf of business owners looking to choose a location for their business or areas to direct marketing. That it is so specific, down to census tract areas which are quite small. Mapping America: Every City, Every Block There are also canned maps other than the racial/ethnic distribution map - foreign-born or the individual broad category of race. The topic areas are race and ethnicity, income, housing and families and education.