How many counties?

Recently, I’ve had some fun mapping the 13 counties that contain half of the state’s population, as well as the 42 least populated counties with 10% of North Carolina’s total population. In Monday’s post, I mentioned that there are significant racial/ethnic differences in the likelihood of living in a municipality. In particular, Asian residents are highly clustered in the state’s largest urban areas. To put this clustering in perspective, it takes 16 counties with the…

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North Carolina & Georgia Border Wars

Few counties today have their original configurations. As the non-Indian population grew and spread across the continent, territories and states created new counties and changed those already in existence. The average number of changes in size, shape, or location per American county is between four and five; some counties were changed more than two dozen times. Most boundary changes were alterations of the lines between existing counties, not the results of creating new counties from…

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4 Amazing Interactive Maps

1. World Births and Deaths in Real-Time Mathematician and software developer Brad Lyon previously developed a statistical simulation of the geographic location of US births and deaths and an interactive visualization that marked these events in real-time. Recently, he took the simulation and visualization global. Worldwide, more than 4 births and nearly 2 deaths occur each second. Lyon uses country-specific data to simulate both the timing and location of global births and deaths. The interactive…

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