It saddens me that this post did not exist when I was first looking to answer this question myself. But SOMEONE has to forge the path, blaze the trail, and do the research. Am I right?
So after spending the last few years collecting data, here are my top picks for man-rich places to find men [...]

Ohhh….have you ever been in a bar, seen a cute bartender, and wondered “is he single?”  And “how can I get a drink of THAT!”  Well, we understand.  Which is why we bring you this cute martini we spotted below.  Definitely shaken, and not stirred, no? Thank you sir, we WILL have another!

Originally from: Raised [...]

Sometimes a CityGirl spots a hot single man in the great outdoors of a deck or porch.  This is clearly wonderful as there is no place for him to run, and said CityGirl can move in for the (photo) kill.  Attractive man, YES PLEASE!
Spotted on: January 10th, 2010

Coordinates: Clearly warmer climes! Top Secret Austin Powers-type-code [...]

And here we have what we think is a pretty awesome answer to the question, “What did you do over Thanksgiving weekend?”
Spotted on Friday Nov 27th at 7:30 pm
Coordinates:N 39 ° 57′ 43.0″ W 75 ° 8′ 28.2″ Philadelphia (Northern Liberties)

Name: Eric
Age: 28
Originally From: Philly!
Currently Resides: Philly
Occupation: Bartender (I think the benefits here are obvious…)

Fun [...]

We found this charming mafioso out on Halloween.  We have to admit, we were won over by his dancing skills and his fun personality. After all, who doesn’t love a good lookin’ man in costume?
Spotted on: October 31, 2009 at 10 pm

Coordinates: The Park, Downtown DC

Name: Jason
Age: 31
Originally From: Northern Virgina.  Ladies–this is a LOCAL
Currently [...]