Via Jim Parsons comes this link to a Google maps mashup, overlaying political contributions. With a single click, you can see how your neighborhood donates to political candidates. I’m happy to note that I now live in a nicely blue neighborhood, with 80% Democrats and 84% of contributed dollars going to Democrats:
Compare this to my old neighborhood, where 57% of contributors were Democrats, but 53% of the dollars went to Republicans:
How does your zip code measure up?