Whenever I think about physical places, I find myself coming back to a few types of numbers again and again. I've collected these into spreadsheets so that I can reference them more easily, and I figured they might be useful to others too: Urban densities – Population density in various cities around the world Wharton Residential Land Use Regulatory Index 2018 – How restrictive is land use policy in nearly 3,000 municipalities across the USA?...