July 30, 2012

Columbus Densities

It's always dangerous to talk about average densities of cities. For instance, Columbus has an average density of 3500 people per square mile, but the maximum is closer to 25,000 people per square mile which is seen on OSU's campus. 

Looking at smaller snapshots of Columbus allows for better city planning and just as importantly, provides city planners with a better idea how transportation should be shaped. The other main piece of the puzzle, job density, I will go into depth tomorrow. But for now, the below was made using the 2010 Census information to calculate census tract densities. Enjoy.


  1. This is a really cool tool! Thanks for putting this together.

    Am I reading this correctly? It looks like my census tract is 67.1, which has a population of 2,666 and a density of 3,968 per square mile. Is the density higher than the population? Or is this a calculation artifact?

    Anyway, I can't wait to see the jobs one.

  2. Tony,

    I should have been more specific on how the numbers were calculated. The Census Bureau aims to have 4000 people per each census tract. Thus, the rule of the thumb is that the smaller the census tract, the denser the population.

    The Census Bureau also separates the land area from the water area. For my calculation, I only used the land area. For your census tract, 67.1, there are 2666 people in an area of 174031 square miles. For every one square mile, there are about 4 * 10 ^-7 square meters.

    I used Fusion Tables to calculate it, so I assume that the density of 3968 # / sq mile is correct.

    Finally, look for the job density post on Wednesday. Tomorrow I have a post about High Street and on-street parking.


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