Poll Update

2016 Iowa Senate GE - Grassley 48%, Vilsack 41% (Public Policy Polling 2/20-2/23)

Population 869 Likely Voters
Margin of Error ±3.3 percentage points
Polling Method Automated Phone
Source PPP (D) [PDF]
This poll asked respondents 1 question tracked by HuffPost Pollster.

1) 2016 Iowa Senate GE

Asked of 869 likely voters
Chuck Grassley (R) 48%
Tom Vilsack (D) 41%
Undecided 11%