Crowded?

I read this and thought 411 people per sq km - I wonder how that compares to the crowded Isle that I live in. YOU WILL BE SHOCKED.
Guernsey area = 24 sq mi = 62.16 sq km
Guernsey population = 63085
Population density = 63085/62.16 = 1014 people per sq km!!!!

Numbers from gov.gg Facts and Figures 2013