The Statistical Office of Iceland provides statistics on how many people live in each street in Iceland. This can be used to get some idea about the population distribution in the country. If we plot an plot an ellipse at every street, this is what we get.
I could as for now only extract data for Kópavogur, Reykjavík and Seltjarnarnes. You can see that downtown 101 which is one of the most densely populated areas.
Here’s a picture representing the Fossvogur district, which mainly consists of small and medium-size residential homes.
Here’s a closeup of the a part of the Grafarvogur district.
And the blocks of flats in Breiðholt:
If you want to look at some other part of the town, be sure to check back on this site tomorrow and I will add some more pictures, as well as the applet, which these were made with.
Sources: The underlying map comes, as before from OpenStreetMap.org. The coordinates for the streets come from Yahoo, and were extracted using http://www.gpsvisualizer.com/geocoder/.