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.
... of 2000, there are 468 people, 158 households, and 121 families residing in the town. The population density is 19.9/km² (51.6/mi²). There are 205 housing ...