PollingSource Logo

PollingSource

The number one source for political election data

Polling Trends
Senate House Governors Primaries Data Generic Ballot Pollsters Analysis Login Subscribe

← All pollster records

Øptimus Analytics

25 scored general-election polls (2014–2020) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2020 3 3.2 pts D+2.7 100%
2018 2 3.1 pts R+3.1 100%
2017 1 11.9 pts R+11.9 0%
2014 19 5.8 pts D+1.0 63%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2020-11-01 VA-7 House D+10.2 D+1.8 8.4 ✓
2020-11-01 SC Senate R+9.8 R+10.3 0.5 ✓
2020-11-01 SC President R+12.4 R+11.7 0.7 ✓
2018-10-31 OH-7 House R+18.3 R+17.5 0.8 ✓
2018-10-31 AZ-1 House D+2.4 D+7.7 5.3 ✓
2017-11-01 VA Governor R+3.0 D+8.9 11.9 ✗
2014-11-01 FL Governor R+1.5 R+1.1 0.4 ✓
2014-10-30 IA Senate R+2.9 R+8.3 5.4 ✓
2014-10-24 MA-6 House R+1.8 D+13.8 15.6 ✗
2014-10-23 FL Governor R+2.5 R+1.1 1.4 ✓
2014-10-23 IA Senate R+3.1 R+8.3 5.2 ✓
2014-10-18 MA-6 House D+1.3 D+13.8 12.5 ✓
2014-10-16 FL Governor R+0.9 R+1.1 0.2 ✓
2014-10-16 IA Senate R+0.6 R+8.3 7.7 ✓
2014-10-09 FL Governor D+1.1 R+1.1 2.2 ✗
2014-10-09 IA Senate R+4.1 R+8.3 4.2 ✓
2014-10-08 MA-6 House R+2.1 D+13.8 15.9 ✗
2014-10-02 FL Governor D+1.1 R+1.1 2.2 ✗
2014-10-02 IA Senate R+1.0 R+8.3 7.3 ✓
2014-09-25 FL Governor D+1.0 R+1.1 2.1 ✗
2014-09-25 IA Senate D+0.8 R+8.3 9.1 ✗
2014-09-18 FL Governor R+0.1 R+1.1 1.0 ✓
2014-09-18 IA Senate R+1.2 R+8.3 7.1 ✓
2014-09-11 FL Governor R+0.5 R+1.1 0.6 ✓
2014-09-11 IA Senate D+1.7 R+8.3 10.0 ✗

Margins shown as party lead (D+/R+); for non-D-vs-R matchups the margin is first-listed candidate minus second. Historical scored-poll data for cycles through 2023 from FiveThirtyEight's pollster-ratings dataset (CC-BY-4.0); 2024 scored by PollingSource. This record never changes what enters the PollingSource average.

Support Independent Election Data PollingSource is free and non-partisan. Your donation helps us continue providing accurate election data.

© 2026 Innovative Research and Data Solutions, LLC. All rights reserved.

Data updated regularly from public polling sources.

As an Amazon Associate, PollingSource earns from qualifying purchases.

Methodology • Pollster Records • Privacy Policy • Terms of Service