The phrase "poll respondents" refers to the people who answer or participate in a poll or survey by sharing their opinions or views on certain questions or topics. Full definition
Only 10 percent of poll respondents said they weren't aware of that possibility. (npr.org)
Fifty - five percent of poll respondents said they are firm in their choice of candidate and there's no way they will change their minds before the election. (nystateofpolitics.com)
Showing the ineffective campaign that has been run, she still has a significant number of poll respondents who don't recognize her name. (voices.washingtonpost.com)