[unimpressive]

Oh look at that, a perfect opportunity for me to plug that I ran the 2016 survey with updated results:

http://lesswrong.com/r/discussion/lw/nmk/2016_lesswrong_dias...

http://lesswrong.com/r/discussion/lw/nor/2016_lesswrong_dias...

http://lesswrong.com/r/discussion/lw/nqa/2016_lesswrong_dias...

http://lesswrong.com/lw/nx2/2016_lesswrong_diaspora_survey_a...

The one that concerns you is that LessWrong is now 18.2% polyamorous. This might just be an effect of increased scope of survey respondents though.