Are you sure about your numbers? It seems like you're mixing density units. France has 66M people for 547k km^2, which is 122/km^2 , California has 39M for 40

Are you sure about your numbers? It seems like you're mixing density units. France has 66M people for 547k km^2, which is 122/km^2 , California has 39M for 403k km^2, which is 97/km^2.