I came across a great mapping device today called “US Demographics Visualizer” that’s produced by a company called idvsolutions. What they do is take Microsoft Virtual Earth software and then layer five measures of demographics over it: population, age, ethnicity, political and income. So, to give you an example, I took a screen shot of voting returns and ethnicity in Southern states.
With these two maps we can correlate voting habits with race, and check for evidence that the so-called “Black Belt” in the South votes Democratic. Here’s a map of ethnicity in Southern states where the darker shade purple represent the higher proportion African-American:
And here’s one of voting returns in the 2004 presidential election
It looks like there is a high correlation between African-American population and Democratic performance. Of course, this is well-documented, but I’m making a point that this tool can visually confirm some interesting notions. Try it on some other demographics.
Let’s look at average income in the Notheast in 2000: