Both Uses

census
in
The Tipping Point
(Auto-generated)

Jonathan Crane, a sociologist at the University of Illinois, has looked at the effect the number of role models in a community — the professionals, managers, teachers whom the Census Bureau has defined as "high status" — has on the lives of teenagers in the same neighborhood.†
Chpt Intr.

census = an official count of a population
Had Revere been given a list of 250 surnames drawn at random from the Boston census of 1775, there is no question he would have scored well over 100.†
Chpt 2 *

Definitions:

(1) (census)
an official count of a population (often accompanied by collection of other data)
(2) (meaning too rare to warrant focus)