1

I'm using QGIS 2.10 and I have a table with the following data:

enter image description here

Where "ALAND10" is the area in square meters and "DP0010001" is the total population.

How to calculate population density per 1sq km? I have ~30 000 entries?

4

You may create a new field where you define the following formula:

"DP0010001"/("ALAND10"/1000000)

It should return the density per square meter.

As a reference, follow the instructions in the following image:

enter image description here

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