Pollster ratings · Head to head

Cygnal vs. Suffolk: which pollster is more accurate?

Cygnal comes out ahead on 6 of 7 measures in the Crosstab Trust Index, which grades pollsters on how close their final polls came to actual results from 1998 to 2022.

★ Ahead
Cygnal
A
Trust Score 76/100 · rank #8
 
Suffolk University
A-
Trust Score 68/100 · rank #16

Head to head

MeasureCygnalSuffolk
Trust Score76/100 ★68/100
Average error
how far final polls missed the result
3.8 pts ★4.1 pts
Versus expected
error compared with what its races predicted
1.5 better ★0.7 better
Consistency
random miss once its tilt is removed
±3.3 pts ★±4 pts
Historical bias
closer to even is better
D+2.4D+1.5 ★
Winners called92% ★81%
Track record
final polls analyzed, 1998–2022
39 polls60 polls
2026 polls1214
2026 lean
versus other polls of the same races
R+0.4 ★D+1.3

2026 races both have polled

RaceCygnal (latest)Suffolk (latest)
Michigan SenateEl-Sayed 45, Rogers 40 (D+3.5 vs. avg)El-Sayed 47, Rogers 40 (D+4.5 vs. avg)
Michigan GovernorBenson 45, James 38 (even vs. avg)Benson 51, James 34 (D+10.6 vs. avg)
Iowa SenateTurek 43, Hinson 43 (R+1.5 vs. avg)Turek 48, Hinson 44 (D+2.4 vs. avg)
Iowa GovernorSand 48, Lahn 44 (R+2.1 vs. avg)Sand 55, Lahn 43 (D+3.7 vs. avg)

Compare them in the interactive Trust Index All pollster ratings

More comparisons: Suffolk University vs. YouGov · Cygnal vs. YouGov · Emerson College vs. Suffolk University · Cygnal vs. Emerson College · Suffolk University vs. University of New Hampshire Survey Center · Cygnal vs. University of New Hampshire Survey Center · New York Times/Siena College vs. Suffolk University · Cygnal vs. New York Times/Siena College

Frequently asked questions

Which is more accurate, Cygnal or Suffolk?

Cygnal has the smaller average error (3.8 pts vs. 4.1 pts). Overall, cygnal comes out ahead on 6 of 7 measures in the Crosstab Trust Index (Cygnal: A, Trust Score 76; Suffolk: A-, Trust Score 68).

Which leans more Republican in 2026, Cygnal or Suffolk?

Cygnal (R+0.4 versus other polls of the same races) compared with Suffolk (D+1.3). Lean describes how a pollster's numbers compare with others; it isn't a measure of accuracy.

Have Cygnal and Suffolk polled the same 2026 races?

Yes: 4 races in Crosstab's data, including Michigan Senate, Michigan Governor, Iowa Senate, Iowa Governor.

Grades: Crosstab Trust Index, computed from FiveThirtyEight's pollster-ratings data (CC BY 4.0), 1998–2022; 2026 measures from Crosstab's polling data.

Updated 2026-11-11 · Crosstab, nonpartisan polling analysis.