September 20, 2012, 1:00 PM GMT+0


Democratic President Barack Obama leads Republican challenger Mitt Romney by six percentage points in Iowa, at 48%-42%, in a poll of 766 registered voters statewide, conducted by YouGov.

In Iowa:

Partisan loyalty is strong on both sides, as 94% of Democrats are sticking with Obama and 92% of Republicans are voting for Romney.

Independents split in Obama’s favor, 46%-37%.

Women in Iowa favor Obama by 52%-36%, while men favor Romney by 50%-43%.

Obama has strong leads in three of the four Iowa regions: in the Eastern Cities (59%-34%), East Central (53%-35%) and Central areas (53%-41%).

Conversely, Romney has a strong lead in the West (61%-23%).

The oldest age group, 65+, tends to favor Romney (50%-44%), while the under 30s tend to favor Obama (50%-41%).

Voters in Iowa are closely split on the vote for U.S. House, with 39% intending to vote for the Democratic candidate for the House in their district, and 41% for the Republican. The poll was conducted online September 7-14, 2012.

Sampling method: Respondents were selected from YouGov’s panel using sample matching. A random sample (stratified by age, gender, race, education, and region) was selected from the 2005–2007 American Community Study. Voter registration, turnout, religion, news interest, minor party identification, and non-placement on an ideology scale, were imputed from the 2008 Current Population Survey Registration and Voting supplement and the Pew Religion in American Life Survey. Matching respondents were selected from the YouGov panel, an opt-in Internet panel.

Weighting: The sample was weighted using propensity scores based on age, gender, race, education, news interest, voter registration, and non-placement on an ideology scale.

Number of respondents: 766 registered voters statewide.

Margin of error + 4.2% (adjusted for weighting)

Click here for a complete report of results