population

(noun) the people who inhabit a territory or state. Example: "The population seemed to be well fed and clothed."

(noun) a group of organisms of the same species inhabiting a given area. Example: "They hired hunters to keep down the deer population."

(noun) (statistics) the entire aggregation of items from which samples can be drawn. Synonyms: universe. Example: "It is an estimate of the mean of the population."

(noun) the number of inhabitants (either the total number or the number of a particular race or class) in a given place (country or city etc.). Examples: "People come and go, but the population of this town has remained approximately constant for the past decade." "The african-american population of salt lake city has been increasing."

(noun) the act of populating (causing to live in a place). Example: "He deplored the population of colonies with convicted criminals."