Poll Update

2016 Iowa President - Clinton 42%, Trump 39% (NBC News/Wall Street Journal/Marist College 7/5-7/10/16)

Population 1,022 Adults
Margin of Error ±3.2 percentage points
Polling Method Live Phone
Source NBC/WSJ/Marist
This poll asked respondents 3 questions tracked by HuffPost Pollster. Read our FAQ.

If November's presidential election were held today, whom would you support if the candidates are:

Asked of 822 Registered Voters
Clinton 42%
Trump 39%
Undecided 8%
Neither 9%
Other 1%

Do you approve or disapprove of the job Barack Obama is doing as president?

Asked of 1022 Adults
Approve 45%
Disapprove 43%
Unsure 11%

2016 Iowa election for U.S. Senate including those who are undecided yet leaning toward a candidate

Asked of 822 Registered Voters
Chuck Grassley, the Republican I 52%
Patty Judge, the Democrat 42%
Other 1%
Undecided 5%