demographic

Short definition from Wiktionary

Adjective

1. 1
   Of or pertaining to demography.

Noun

1. 1
   A demographic criterion: a characteristic used to classify people for statistical purposes, such as age, race, or gender.
2. 2
   A demographic group: a collection of people sharing a value for a certain demographic criterion.
3. 3
   An individual person's characteristic, encoded for the purposes of statistical analysis.