LEAST BIASED
These sources have minimal bias and use very few loaded words (wording that attempts to influence an audience by appeals to emotion or stereotypes). The reporting is factual and usually sourced. These are the most credible media sources. See all Least Biased Sources.
- Overall, we rate Suffolk Polling as Least Biased based on polling that minimally favors the left. We also rate them as High Factual pollsters based on a A- rating in predictive polling.
Detailed Report
Bias Rating: LEAST BIASED (-1.4)
Factual Reporting: HIGH (1.5)
Country: USA
MBFC’s Country Freedom Rating: MOSTLY FREE
Media Type: Organization/Foundation
Traffic/Popularity: Minimal Traffic
MBFC Credibility Rating: HIGH CREDIBILITY
History
Suffolk Polling is a research survey organization based in Boston, Massachusetts. According to their about page, “Established in 2002 and based in Boston, the Suffolk University Political Research Center (SUPRC) conducts statewide and national surveys as well as bellwether polls. It examines political races and analyzes voters’ opinions on key issues.”
Read our profile on the United States media and government.
Funded by / Ownership
Suffolk Polling is owned by the Suffolk University Political Research Center (SUPRC) within Suffolk University, and polls are fully funded by the university.
Analysis / Bias
Suffolk Polling conducts market research and polling via various mediums. The website does not generally report on politics but publishes news related to its polling.
Polling bias is assessed using Silver Bulletin’s mean-reverted bias metric. For Suffolk Polling, the mean-reverted polling bias is −0.89, indicating a slight Democratic lean. Under MBFC’s calibrated polling bias scale, a mean bias between -0.6 and -1.0 corresponds to a polling bias score of -2. Polling bias accounts for 70% of the final bias score, while editorial bias accounts for 30%.
Applying MBFC’s weighted formula:
(−2 × 0.70) + (−0 × 0.30) = −1.4
Based on MBFC’s bias classification scale, a final score of -1.4 places Suffolk Polling in the Least Biased category.
Factual reporting is rated High based on a Silver Bulletin grade of A-, indicating solid predictive accuracy and good methodological performance.
Failed Fact Checks
- None in the Last 5 years
Overall, we rate Suffolk Polling as Least Biased based on polling that minimally favors the left. We also rate them as High Factual pollsters based on a A- rating in predictive polling. (D. Van Zandt 10/08/2024) Updated (02/23/2026)
Source: https://www.suffolk.edu/academics/research-at-suffolk/political-research-center/
Last Updated on February 23, 2026 by Media Bias Fact Check
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Left vs. Right Bias: How we rate the bias of media sources