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Nobody lives here: The nearly 5 million Census Blocks with zero population
A Block is the smallest area unit used by the U.S. Census Bureau for tabulating statistics. As of the 2010 census, the United States consists of 11,078,300 Census Blocks. Of them, 4,871,270 blocks totaling 4.61 million square kilometers were reported to have no population living inside them. Despite having a population of more than 310 million people, 47 percent of the USA remains unoccupied.
Green shading indicates unoccupied Census Blocks. A single inhabitant is enough to omit a block from shading
Quick update: If you’re the kind of map lover who cares about cartographic accuracy, check out the new version which fixes the Gulf of California. If you save this map for your own projects, please use this one instead.
The map tends to highlight two types of areas:
- places where human habitation is physically restrictive or impossible, and
- places where human habitation is prohibited by social or legal convention.
Water features such lakes, rivers, swamps and floodplains are revealed as places where it is hard for people to live. In addition, the mountains and deserts of the West, with their hostility to human survival, remain largely void of permanent population.
Of the places where settlement is prohibited, the most apparent are wilderness protection and recreational areas (such as national and state parks) and military bases. At the national and regional scales, these places appear as large green tracts surrounded by otherwise populated countryside.
At the local level, city and county parks emerge in contrast to their developed urban and suburban surroundings. At this scale, even major roads such as highways and interstates stretch like ribbons across the landscape.
Commercial and industrial areas are also likely to be green on this map. The local shopping mall, an office park, a warehouse district or a factory may have their own Census Blocks. But if people don’t live there, they will be considered “uninhabited”. So it should be noted that just because a block is unoccupied, that does not mean it is undeveloped.
Perhaps the two most notable anomalies on the map occur in Maine and the Dakotas. Northern Maine is conspicuously uninhabited. Despite being one of the earliest regions in North America to be settled by Europeans, the population there remains so low that large portions of the state’s interior have yet to be politically organized.
In the Dakotas, the border between North and South appears to be unexpectedly stark. Geographic phenomena typically do not respect artificial human boundaries. Throughout the rest of the map, state lines are often difficult to distinguish. But in the Dakotas, northern South Dakota is quite distinct from southern North Dakota. This is especially surprising considering that the county-level population density on both sides of the border is about the same at less than 10 people per square mile.
Finally, the differences between the eastern and western halves of the contiguous 48 states are particularly stark to me. In the east, with its larger population, unpopulated places are more likely to stand out on the map. In the west, the opposite is true. There, population centers stand out against the wilderness.
Ultimately, I made this map to show a different side of the United States. Human geographers spend so much time thinking about where people are. I thought I might bring some new insight by showing where they are not, adding contrast and context to the typical displays of the country’s population geography.
I’m sure I’ve all but scratched the surface of insight available from examining this map. There’s a lot of data here. What trends and patterns do you see?
- The Gulf of California is missing from this version. I guess it got filled in while doing touch ups. Oops. There’s a link to a corrected map at the top of the post.
- Some islands may be missing if they were not a part of the waterbody data sets I used.
Creative Commons Attribution-NonCommercial-ShareAlike
Block geography and population data from U.S. Census Bureau
Water body geography from National Hydrology Dataset and Natural Earth
Made with Tilemill
USGS National Atlas Equal Area Projection
Bizarre proof-of-concept tech by Dr. Hirotaka Osawa are glasses with small displays that give attention to others around you.
The idea here is that we have technology to help us work in areas such as physical labour and brainwork, but not “emotional labour”, the social face-to-face aspects of job roles. Video embedded below:
Have you ever had trouble concentrating in the office as people walk by and glance at you? Do you come off as unfriendly or aloof, when you’re really just focusing on your work?
Dr. Hirotaka Osawa from Tsukuba University, in Japan, has developed a new wearable device to help us with something called “emotional labor.” His idea is that people could adopt cyborg technology to increase the emotional comfort of those around us. In this case, the device is a crazy pair of glasses that display eyeballs on their lenses.
The device’s virtual eyes naturally follow people and movement, making it appear as though you’re friendly and approachable, even if you’re too busy doing something else or too tired to actually look friendly and approachable.
"This emotional support reduces a user’s cognitive load for social manners," Osawa says.
ʻData Centers Grand Tour (This Data Belongs Here)ʼ by Silvio Lorusso is the second e-PERMANENT artist commission for an online work. ʻData Centers Grand Tour (This Data Belongs Here)ʼ starts here and will be an ongoing project for which Silvio Lorusso will be purchasing domain names and hosting in each country across the globe. For each domain a single web page will be hosted showing a satellite view of the geographical site at which that particular domainʼs data is stored. The tour will start by clicking at a destination, one click will take you to the next domain in a different country where you will again be able to view where that domainʼs data is stored, and so on until all of the countries in the world are covered.
Clay Shirky on Love, Internet Style (by Chris Vertonghen)
A week ago today, Aaron gave up. And since I received the call late Friday night telling me that, like so many others who were close to him, I have not rested. Not slept, really. Not connected with my kids, at all. Not held my wife except to comfort her tears, or for her to comfort mine.