Strictly speaking, every science fiction tale presents its own version of future and therefore there are as many science fiction universes as there are science fiction stories. Many SF tales follow dictates of a particular subgenre like Cyberpunk or Space Opera of which, see the separate entry.
... the census of 2000, there are 138 people, 61 households, and 35 families residing in the village. The population density is 380.6/km² (967.1/mi²). There are ...