Polls database

Every poll we use, with its source

11,685 polls since 2015: national questions, Senate, House, governor and state legislative races, presidential primaries and ballot measures. Filter, then open any poll’s release.

Clear all

Pollster: Mercyhurst University Remove ×

Matching polls

2

Polls by Mercyhurst University.

Polls per month

1
Mar 2016Sep 2016

Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database

DatesQuestionPollsterSponsorSamplePop.ModeResultMarginAdjustedvs resultSource
Sep 12–23, 20162016 United States Senate election in Pennsylvania (2016)— Mercyhurst University—420V—McGinty 42 · Toomey 43R+1——Release
Mar 1–11, 20162016 United States Senate election in Pennsylvania (2016)— Mercyhurst University—421V—McGinty 34 · Toomey 47R+13——Release
Showing 1–2 of 2

Adjusted: after house-effect and population corrections. vs result: margin minus the certified or unofficial result. Latest poll in the database ended Nov 2, 2026. Source: each poll’s own release, as cited by the poll list it was compiled from (The New York Times for Senate, governor and House races; Wikipedia for other offices)