Headcounter
ahd-5
noun.
A pollster.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
someone who conducts surveys of public opinion
Word Usage
"Across all sectors of the economy, 6.2% of employers are planning to reduce their headcounter compared with 3.8% in the November 2009 survey."
Hypernym
Words that are more generic or abstract
asker
enquirer
inquirer
querier
questioner
suggests
headhunter