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Voter registration increases rare for Pa. midterms and show voter excitement, experts say

  • Emily Previti/PA Post
Computer mouse pads with Secure the Vote logo on them are seen on a vendor's table at a convention of state secretaries of state Saturday, July 14, 2018, in Philadelphia.

 Mel Evans/The Associated Press

Computer mouse pads with Secure the Vote logo on them are seen on a vendor's table at a convention of state secretaries of state Saturday, July 14, 2018, in Philadelphia.

Voter registration is up this year across the board – which is rare for Pennsylvania during a midterm election year.

Democrats, Republicans and unaffiliated or third-party voters’ registration increased during 2018, which didn’t happen for any other midterm for at least the past two decades, according to a PA Post analysis of Pennsylvania Department of State archived registration data going back to 1998.

Experts say the trend seems to quantify excitement among voters in Pennsylvania and across the country amid national political polarization.

Registration often surges for the opposing party of a sitting president, noted Dan Mallinson, assistant professor of public policy and administration at Penn State Harrisburg.

Mallinson and others suspect national events are driving voter enthusiasm as well in 2018 – including the #MeToo movement, a high number of women running and the controversial confirmation hearing for U.S. Supreme Court Justice Brett Kavanaugh.

“Usually, [party affiliation] works against the president, so we have an expectation that Democrats will do well and Republicans won’t. But Republicans are trying to whip up voters, too,” Mallinson said.


By the numbers

Registration rose 1 percent for Republicans, 2 percent for Democrats and 4 percent for unaffiliated and third-party voters this year, Department of State data shows.

From 1998 forward, midterm registration hasn’t moved in a consistent direction:

  • The number of registered Democrats increased as Republicans remained nearly flat or decreased during 2002 and 2006.
  • Democrats decreased a bit in 2010 as the GOP stayed pretty much the same.
  • In 2014, both establishment parties didn’t see much movement in registration numbers, and independent/third party voters declined 1 percent (a category that’s increased in seven of the past 20 years).

Put another way:

  • Democrats netted 70,000 voters (25,000 switching from the GOP) this year; Republicans, nearly 43,000 (about 35,000 former Democrats).
  • Democrats added the most new voters this year by the widest margin since at least 2012, but also lost the most. In addition to the defections described above, more Democrats have died, moved or had their registration canceled for other reasons (the exact breakdown won’t be clear until next year’s annual report is published).

Unaffiliated or third-party registration also was up nearly 50,000 people this year – the first time in two decades that the raw number of additional voters in this category surpassed that of an establishment party.


What it means

It’s tough to tie outcomes to voter excitement as indicated by registration patterns.

Whichever establishment party’s registration fares better that year tends to win the governor and U.S. Senate elections in Pennsylvania, according to our analysis.

The link between enthusiasm, registration and congressional delegation split was weaker, although redistricting/gerrymandering is a complicating factor for those races.

“There also are going to be folks confused about the boundary line if they didn’t take part in the primary earlier this year,” said Kyle Kopko, assistant professor of political science at Elizabethtown College. “A lot of it’s going to be specific to individual districts.”

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