A new Marquette Law School Poll national survey finds 54% of likely voters saying they will vote for a Democrat in congressional elections in November, while 41% say they will vote for a Republican. In July, the Democratic advantage was 51% to 45%.
- On generic congressional vote, Democrats receive 54%, Republicans 41% among likely voters; Democrats 50%, Republicans 42% among registered voters
- Democrats seen as better than Republicans on economy, inflation, Medicare/Social Security, and health care; Republicans seen as better on national defense, crime, and immigration/border security
- Inflation and cost of living remains top issue concern
- Approval of Trump’s handling of inflation falls to 19%; approval on the economy at 28%, Iran war at 26%
- Majorities continue to oppose data centers and think AI will be bad for society; they also oppose Flock cameras
The survey was conducted Sept. 2-9, 2026, interviewing 1,023 adults nationwide, with a margin of error of +/-3.3 percentage points. For registered voters, the sample size is 864, with a margin of error of +/-3.6. For likely voters, the sample size is 581 with a margin of error of +/-4.3 percentage points.
Interviews were conducted using the SSRS Opinion Panel, a national probability sample with interviews conducted online.
The entire questionnaire, methodology statement, full results and breakdowns by demographic groups are available on the Marquette Law School Poll website.