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

Stockton University William J. Hughes Center for Public Policy

22 scored general-election polls (2014–2021) , each measured against the certified result. How to read these numbers: methodology.

Record by cycle

CyclePollsAvg. ErrorLeanWinner Called
2021 2 5.8 pts D+5.8 100%
2020 3 6.7 pts D+6.7 67%
2018 5 7.5 pts D+2.7 80%
2017 2 2.0 pts D+1.9 100%
2016 3 4.8 pts R+4.8 100%
2014 7 7.9 pts D+6.5 100%

Every scored poll

DateRacePoll MarginActualErrorCalled It
2021-10-21 NJ Governor D+9.0 D+3.2 5.8 ✓
2021-09-21 NJ Governor D+9.0 D+3.2 5.8 ✓
2020-10-24 NJ-2 House D+1.0 R+5.8 6.8 ✗
2020-10-10 NJ Senate D+25.0 D+16.3 8.7 ✓
2020-10-10 NJ President D+20.5 D+15.9 4.6 ✓
2018-10-28 NJ Senate D+12.0 D+11.2 0.8 ✓
2018-10-20 NJ-2 House D+17.0 D+7.7 9.3 ✓
2018-10-07 NJ-3 House R+1.4 D+1.3 2.7 ✗
2018-09-23 NJ Senate D+1.9 D+11.2 9.3 ✓
2018-09-15 NJ-2 House D+23.0 D+7.7 15.3 ✓
2017-10-21 NJ Governor D+14.0 D+14.1 0.1 ✓
2017-10-08 NJ Governor D+18.0 D+14.1 3.9 ✓
2016-10-30 NJ President D+11.0 D+14.1 3.1 ✓
2016-10-21 NJ-2 House R+25.5 R+22.0 3.5 ✓
2016-09-26 NJ President D+6.4 D+14.1 7.7 ✓
2014-10-27 NJ-3 House R+5.0 R+9.6 4.6 ✓
2014-10-26 NJ-2 House R+18.0 R+24.2 6.2 ✓
2014-10-20 NJ Senate D+24.0 D+13.5 10.5 ✓
2014-10-07 NJ Senate D+9.0 D+13.5 4.5 ✓
2014-09-29 NJ-2 House R+5.0 R+24.2 19.2 ✓
2014-09-13 NJ-3 House Even R+9.6 9.6 —
2014-09-07 NJ Senate D+13.0 D+13.5 0.5 ✓

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