The AT gang is mathematically challenged, but we do love a good map. For some reason we can't explain, maps are wonderful and—we hate to say it—educational.
That's why we were intrigued by this census map we found at the NY Times site. Type in a zip code— and presto!—population data shows up of several kinds of maps.
Check it out for yourself at this link: http://nyti.ms/hSwsXg.