Wednesday, April 11, 2007


To follow up on my last post I wanted to share some of the actual KMZ files I generated to create the screenshots I showed. Please read that post for a full explanation of what these KMZs contain. The KMZ document descriptions also contain a brief explanation.

Please note that I do not warrant in any way, the accuracy of these maps. Use at your own risk. That being said, I have done spot checking for 3 random districts in each of the attached KMZs using the FEC query tool, which can be found here. The numbers I calculated are pretty close, and sometimes match exactly, to what the FEC tool returns. In the cases they do not, I suspect is is because of the data file I choose to use, with the FEC explicitly states might contain some inaccuracies given their attempt to make them as up-to-date as possible.

I've also used the TimeSpan element, so you can load both the 109th and 110th Congress files into Google Earth at one time. Using the time slider you can move between the two Congresses - the effect is pretty cool. I've also included my StyleMap trick, so that when you mouseover the point near the center of each district a label with the district's name and the total receipts in dollars appears.

I'm posting California, New York, and Texas - all states that have many districts. If you are interested in others, please feel free to e-mail me at censuskml [at gmail].

Total Receipts for House of Representative Candidates by Congressional District KMZs:

California and Texas are too large to load into Google Maps, but New York works:

There are many interesting insights that can be gleaned from the data, in particular when contrasting the 109th and 110th election cycles. I'll save interpretation for another post. For now, enjoy.

No comments: