It's hard to compare housing styles and density when you only have a binary choice of "urban" and "rural". One form of "urban" areas could have extremely differ

It's hard to compare housing styles and density when you only have a binary choice of "urban" and "rural". One form of "urban" areas could have extremely different costs per customer to service than the other. Think dense condos and townhouses versus every house with 1-3 people on nearly acre lots. Both are often considered "urban".