Canada is smaller than California.
Also, as a former Vermonter please don't you dare call me a New Hampshirite - but for a survey like this you can probably lump everything from Philly to Bangor into one chunk.
Cornfields and tundra don't post on HN much.
Like, pick a threshold of size N. Start at the top, divide at countries, and the recursively keep dividing any given node until you have passed under the threshold N. California gets divided before Canada (and the UK).