Along the same lines as their NFL fan maps, Facebook had a closer look at March Madness fandom, based on likes for team pages. In the map below, each county is colored by the conference liked the most.
Casinos are everywhere. This interactive map tells you how close the nearest one is in sampled areas of the United States.
Based on the “half-your-age-plus-seven” rule, the range of people you can date expands with age. Combine that with population counts and demographics, and you can find when your non-creepy dating pool peaks.
I simulated a day for employed Americans to see when and where they work.