de mə grae fihk
adjective
of or relating to the study of human populations, involving statistical analysis of size, distribution, density, migration, fertility, and the like.
Advertising agencies use demographic information about their target audience to create successful campaigns.
noun
1. a portion of a human population with a shared characteristic or characteristics such as age, gender, ethnicity, or income.
The show is popular with an older demographic.
2. a single statistic characterizing human populations such as age, gender, ethnicity, or income.