IA - 2016 Democratic Presidential Primary: Hillary Clinton 59% - Bernie Sanders 15% - Lincoln Chafee 1% - (Gravis Marketing 06/04/2015)
Source: Gravis Marketing
Method: Phone
Date: 05/28/2015 - 05/29/2015
Voters: 434 (Registered voters)
Margin of Error: 5 %
Full Result:
- Clinton 59%
- Sanders 15%
- Chafee 1%
- O'Malley 3%
- Webb 3%
