files
https://projects.fivethirtyeight.com/generic-ballot-data/generic_polllist.csv https://projects.fivethirtyeight.com/generic-ballot-data/generic_topline.csv

Congress Generic Ballot Polls

This file contains links to the data behind Are Democrats Winning The Race For Congress?

• generic_polllist.csv contains a list of generic ballot polls for the current election cycle.
• generic_topline.csv contains a trendline for the generic ballot for the current election cycle.
• generic_topline_historical.csv contains a trendline for the generic ballot for previous election cycles going back to 1996.