Before sequestration, opening this data portal was fun and full of potential, it lies on the screen today a dead digital thing (2010)
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Like many others data sources available to the ordinary person sites like this offered a sense of capacity for knowledge. It might offer a vast array of possible insights into urban demography or the social characteristics and vital statistics of a place you know well.
Given a foundation of veracity at the source, one or more people can gain the opportunity to become persuasive on an issue, but no longer.
In the case presented above, the number of people in 2000 aggregated on a per square mile basis using zip code boundaries. U.S. Census Tracts and other boundaries are available, but zips hold the geography better at the community scale.
I expected comparisons to 2010 would be fun to explore and free. No longer. The data for sale industry has become powerful.
When vast amount of information like this becomes available, the first question is a simple one.
What do I really want and need to know?
Following a reasonable period of explorations, our bonded rationality is exposed. Once we are sure we know what we know, a better questions arise.
Urban density offers a direct route to human success. The city extends the biblical metaphor of the ark to the earth itself.
A main issue: The data is available. Have a look. Here and here: