Ballotpedia has been analyzing the 206 Pivot Counties that voted for Barack Obama (D) in 2008 and 2012 and Donald Trump (R) in 2016. This year, we have introduced two new categories: Retained Pivot Counties, which voted for Trump again in 2020, and Boomerang Pivot Counties, which voted for Joe Biden (D).
Based on unofficial results that are subject to change, Ballotpedia has identified 181 Retained Pivot Counties and 25 Boomerang Pivot Counties.
Voter turnout in these counties has increased compared to 2016.
Nationwide, voter turnout in the 2020 presidential election was the highest since 1900 at 69.25%. Retained Pivot Counties had a total turnout of 67.81%, 1.44 percentage points below the nationwide rate, and Boomerang Pivot Counties had a total turnout of 71.64%, 2.39 percentage points above the national rate.
The 2020 presidential election saw a continuation of the trend where turnout in Boomerang Pivot Counties exceeds that in Retained Pivot Counties. In 2020, the total turnout in Boomerang Pivot Counties was 3.83 percentage points higher than the turnout in Retained Pivot Counties. Since 2008, the total turnout in Boomerang Pivot Counties has exceeded that in Retained Pivot Counties by an average of 3.95 percentage points.
Seventy-nine percent of Retained Pivot Counties (143) and 76% of Boomerang Pivot Counties (19) recorded their highest turnouts since at least 2008.
Nationwide, voter turnout increased by 8.21 percentage points compared to 2016. All Retained Pivot Counties except for two—Woodruff County, Arkansas, and Benson County, North Dakota—saw increases in voter turnout compared to 2016. Voter turnout increased in every Boomerang Pivot County.
The table below shows the ten Pivot Counties with the largest increases in voter turnout compared to 2016. Of the ten, nine are in states that automatically sent absentee/mail-in ballots to voters during the presidential election. Colorado, Oregon, and Washington routinely conduct all-mail elections. New Jersey conducted its 2020 presidential election by mail in response to the coronavirus pandemic. Retained Pivot Counties are shown with red dots and Boomerang Pivot Counties with blue dots.