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Harvard/Harris Poll/HarrisX United States Poll, 30 Mar 2026 | Pollytic

United States / 2026 US Midterm Elections

Harvard/Harris Poll/HarrisX

Voting intention · published 30 Mar 2026

Country: 🇺🇸 United States
Election: 2026 US Midterm Elections
Polling institute: Harvard/Harris Poll/HarrisX
Published: 30 Mar 2026
Fieldwork: 25 Mar 2026 – 26 Mar 2026
Sample size: 2,009
Methodology: Not published

Results

Democratic Party51.0%+1.0 percentage points
Republican Party49.0%−1.0 percentage points

Change in percentage points vs. the previous poll by the same institute for this election.

Collected from Wikipedia (2026 United States elections, section 2025–2026).

Source

Harvard/Harris Poll/HarrisX

Published by Harvard–Harris Poll

View original source↗ (opens in a new tab)

https://harvardharrispoll.com/wp-content/uploads/2026/03/HHP_Mar2026_KeyResults.pdf#page=20

This poll was conducted by Harvard/Harris Poll/HarrisX. Pollytic republishes the headline figures with attribution.

Polls are estimates of public opinion and are not election results. How we handle polls