Chester County voter registrations by party, 1998-2012

After some calculating from PA Department of State online files, I figured out the Chesco voter registration by party since 1998:

Chesco Voter reg 1998-2012 chart

In the line chart, the red line shows Republican registration, blue Dem, and yellow Other. The square dots show alternating general and primary elections.

From November, 1998, through November, 2007, there was a slow rise in the Dem %, with a slight upward bump for the general election of 2004 (Kerry v. Bush). Also in 2004, there was a bump up for Others and down for R’s, suggesting perhaps some anti-Bush movement.

Dem registration continued its slow rise (perhaps this rising baseline is due to demographic factors) and then took a large jump with the primary (Obama v. Clinton) and general (Obama v. McCain) elections of 2008. Both R’s and Others contributed to that D jump.

Since then, the D and R numbers and (next chart) the D to R ratio year by year have been quite stable. Why? Because voters are still waiting to see how the D v. R, Obama v. Boehner, US Senate v. US House, and R v. Tea Party dynamics play out? In any case, perhaps this is a sign that Dems can’t count much on continuing demographic changes to make their case, or, at least, that they will have to go to great efforts to improve their numbers till the next presidential election–assuming they have a popular candidate then.

Chesco D:R ratio 1998-2012

In all, over these 14 years, D registrations rose from 28% to 38% and Others from 15% to 17% (with a slight temporary slip in 2008), while R registrations have declined pretty steadily from 57% to 45%.

Finally, here are the underlying numbers. The 3rd parties (Green, Constitution, Libertarian, Reform) listed in the state data vary with year; all are here counted as Other.

Chesco voter reg 1998-2012 data

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About politicswestchesterview

Nathaniel regards himself as a progressive Democrat who sees a serious need to involve more Americans in the political process if we are to rise to Ben Franklin's challenge "A republic, madam, if you can keep it," after a passerby asked him what form of government the founders had chosen. This blog gives my views and background information on the local, state, and national political scenes. My career in higher education was mainly in the areas of international studies, foreign languages, and student advising, most recently at Franklin & Marshall College in Lancaster, from which I retired in 2006. I have lived in West Chester since 1986.
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4 Responses to Chester County voter registrations by party, 1998-2012

  1. reximperator says:

    I think that down the road, we CAN count on continuing demographic changes helping the Dems in Chesco. Why? Simple. Where the graph levels off corresponds to when our housing boom stopped. It will begin anew, and I bet you anything Dems overtake the GOP by election day 2020.

    Need more proof? Compare those number of independents to surrounding counties. You will notice our proportion of Indys is 50% higher than our next closest neighbor. These people are really Democrats, who registered at a time when you “couldn’t” register Dem. If outreach is done towards this group, many will re-register.

  2. Pingback: Chester County voter registrations by party, 1998-2012 | progressivenetwork

  3. leosinclair says:

    I would be very curious to see the trend of actual voters who vote each Elections. We know those numbers are declining.

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