On March 13, 2018, Democrat Conor Lamb won the special election in Pennsylvania’s 18th Congressional district by a slim margin of just over 600 votes. This was a significant upset, considering that the previous incumbent, Republican Tim Murphy, hadn’t been seriously challenged for over a decade, and that the district voted for Donald Trump by … More How did Conor Lamb win PA-18?
In late January, the Pennsylvania Supreme Court ruled that the state’s Republican-drawn congressional district map violated the state constitution’s guarantee of free and equal elections. That map, which was brutally gerrymandered, consistently sent a congressional delegation of 13 Republicans and 5 Democrats to Washington despite Pennsylvania generally being a fairly evenly divided state politically. The … More My Proposal for how Pennsylvania should Redraw its Congressional Districts
Pennsylvania’s 18th Congressional District will host a special election on March 13, 2018 after its previous incumbent, Republican Tim Murphy, resigned due to a sex scandal. The candidates in this special election are Republican Rick Saccone, a state representative, and Democrat Conor Lamb, a former Assistant U.S. Attorney. A Libertarian candidate is also in the … More Analysis of PA-18: Does Conor Lamb have a path to victory in the special election?
To follow up on the maps that I made of the 2012 elections in Pennsylvania, I have made a series of similar maps – but this time for the 2014 elections. As with the 2012 maps, to see a larger version of any of these maps, just open the map in a new tab and change … More Another Set of Really Cool Pennsylvania Precinct Maps, this time of 2014
There are some states for which mapping their election results by county just doesn’t cut it, due to the fact that their election results vary widely inside the county. To tell the whole story, you’ve got to look at the municipality-level results, or even the precinct-level results. Pennsylvania is one of those states. The political … More Some really cool maps of the 2012 Congressional and State Legislative Elections in Pennsylvania
In many recent elections across the country, Democrats have tended to do better in the heavily-populated urban areas while Republicans tend to do better in the lightly-populated rural areas. Since the rural areas are clearly much larger in area than the urban areas, maps of these results usually show substantially more red than blue, even … More How Using Cartograms can make Election Maps Look More Representative of the Results
[Updated February 2019] I have made dozens of maps of New York, New Jersey, and Pennsylvania. The system of municipal organization that these states use makes analysis of their election results particularly revealing. A couple examples are below (open the maps in a new tab to enlarge). I have made maps of New York showing: … More NY/NJ/PA Maps