From my research, it shows that more GOP headquarters have been vandalized than Dem headquarters. It also shows the Severity of the vandals acts. These are just a few of the links I found. My personal favorite is the last one. Nothing was destroyed, but point was very clear. That's the way to vandalize.
http://www.cnn.com/2016/10/16/politics/north-carolina-gop-office-vandalized/
http://freakoutnation.com/2016/10/c...lized-the-same-day-as-gop-office-firebombing/
http://fox59.com/2016/10/18/vandals...s-at-delaware-county-republican-party-office/
http://abc11.com/politics/photo-of-suspect-in-republican-headquarters-vandalism-released/1589680/
http://kdvr.com/2016/11/04/donald-trump-campaign-office-in-denver-vandalized/
http://bristowbeat.com/news/local-p...inghacking-of-promotional-campaign-materials/
http://www.cincinnati.com/story/new...load-dumped-democratic-headquarters/92957304/
http://www.cnn.com/2016/10/16/politics/north-carolina-gop-office-vandalized/
http://freakoutnation.com/2016/10/c...lized-the-same-day-as-gop-office-firebombing/
http://fox59.com/2016/10/18/vandals...s-at-delaware-county-republican-party-office/
http://abc11.com/politics/photo-of-suspect-in-republican-headquarters-vandalism-released/1589680/
http://kdvr.com/2016/11/04/donald-trump-campaign-office-in-denver-vandalized/
http://bristowbeat.com/news/local-p...inghacking-of-promotional-campaign-materials/
http://www.cincinnati.com/story/new...load-dumped-democratic-headquarters/92957304/