Pollster ratings · Head to head

Siena vs. SSRS: which pollster is more accurate?

Siena comes out ahead on 4 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
Siena College
A-
Trust Score 67/100 · rank #17
 
SSRS
C-
Trust Score 24/100 · rank #61

Head to head

MeasureSienaSSRS
Trust Score67/100 ★24/100
Average error
how far final polls missed the result
5.7 pts5.4 pts ★
Versus expected
error compared with what its races predicted
0.2 better ★1.3 worse
Consistency
random miss once its tilt is removed
±5.1 pts±3.7 pts ★
Historical bias
closer to even is better
R+3.2 ★D+4.4
Winners called89% ★63%
Track record
final polls analyzed, 1998–2022
57 polls30 polls
2026 polls1719
2026 lean
versus other polls of the same races
D+2.6D+0.7 ★

2026 races both have polled

RaceSiena (latest)SSRS (latest)
Texas SenateTalarico 48, Paxton 44 (D+0.9 vs. avg)Talarico 49, Paxton 43 (D+3.3 vs. avg)
Texas GovernorHinojosa 47, Abbott 48 (R+0.6 vs. avg)Hinojosa 46, Abbott 48 (D+0.9 vs. avg)
Iowa SenateTurek 47, Hinson 48 (R+3 vs. avg)Turek 43, Hinson 45 (R+4.2 vs. avg)
Ohio SenateBrown 49, Husted 46 (even vs. avg)Brown 49, Husted 43 (D+2.5 vs. avg)

Compare them in the interactive Trust Index All pollster ratings

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

Frequently asked questions

Which is more accurate, Siena or SSRS?

SSRS has the smaller average error (5.4 pts vs. 5.7 pts). Overall, siena comes out ahead on 4 of 7 measures in the Crosstab Trust Index (Siena: A-, Trust Score 67; SSRS: C-, Trust Score 24).

Which leans more Republican in 2026, Siena or SSRS?

SSRS (D+0.7 versus other polls of the same races) compared with Siena (D+2.6). Lean describes how a pollster's numbers compare with others; it isn't a measure of accuracy.

Have Siena and SSRS polled the same 2026 races?

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

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.