Here is short summary of useful data for the States in the Union, sorted by claimed size (unusable mana zones’ contribution to area size is usually disputed).


    Marches of the Montana


    (Pre-Fall: Alaska/southwest, British Columbia/west shore, Washington, Idaho/north, Montana, Oregon/north)


    Census: 980,000 sq. miles, pop. 239,500


    Capital: New Benton


    Independence State


    (Pre-Fall: Indiana, Ohio, Pennsylvania/south, Illinois/southwest, Kentucky, West Virginia, Virginia/west tip, Arkansas/northeast, Tennessee, South Carolina/west tip)


    Census: 728,000 sq. miles (+377,000 of eastern mana zone), pop. 727,000


    Capital: Vernon


    Union Capital: Nashville


    Marches of the South


    (Pre-Fall: Utah/south, Colorado/west border, Arizona/northeast border, New Mexico/northwest border)


    Census: 646,500 sq. miles, pop. 489,500


    Capital: Dolores


    Dakota Marches


    (Pre-Fall: Manitoba/southern border, North Dakota, Minnesota/west, South Dakota/north)


    Census: 507,000 sq. miles, pop. 230,000


    Capital: South Branch


    Lake Marches


    (Pre-Fall: Minnesota/southeast, Wisconsin, Michigan, Illinois/northeast, Ontario/south tip)


    Census: 490,000 sq. miles, pop. 187,000


    Capital: Lake Mills


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    Marches of the Algonquin ?


    (Pre-Fall: Quebec/south border, Ontario/southeast tip, New York, Vermont, New Hampshire, Maine, New Brunswick, Nova Scotia/disputed; Pennsylvania/north)


    Census: 435,000 sq. miles, pop. 153,500


    Capital: New Drum


    Eagle Republic


    (Pre-Fall: California/north, Nevada/west)


    Census: 358,000 sq. miles, pop. 318,000


    Capital: La Grange


    Marches of the Star


    (Pre-Fall: New Mexico/northeast border, Texas/northwest)


    Census: 303,000 sq. miles, pop. 470,500


    Capital: Seminole


    Later State ?


    (Pre-Fall: Kansas/east, Oklahoma/north, Missouri/southwest)


    Census: 293,000 sq. miles, pop. 126,000


    Capital: New Riley


    Lone Star


    (Pre-Fall: Texas/northeast, Oklahoma/south border)


    Census: 270,000 sq. miles, pop. 159,000


    Capital: Decatur


    Cheyenne ?


    (Pre-Fall: Wyoming/east, South Dakota/southwest, Nebraska/west)


    Census: 242,000 sq. miles, pop. 357,500


    Capital: Alcova


    Winnebago State ?


    (Pre-Fall: Nebraska/east, Iowa/west border)


    Census: 240,500 sq. miles, pop. 310,000


    Capital: Tekamah


    Greater Idaho ?


    (Pre-Fall: Idaho/south, Nevada/northeast, Utah/northwest)


    Census: 184,500 sq. miles, pop. 283,500


    Capital: New Boise


    Fremont


    (Pre-Fall: Colorado/east border, Kansas/west)


    Census: 180,000 sq. miles, pop. 188,000


    Capital: Fremont


    True Colorado


    (Pre-Fall: Colorado/north & east)


    Census: 140,000 sq. miles, pop. 113,000


    Capital: Bailey


    True Missouri


    (Pre-Fall: Iowa/southeast, Missouri/northeast)


    Census: 137,000 sq. miles, pop. 90,000


    Capital: Florida


    Pacifica ?


    (Pre-Fall: Oregon/south)


    Census: 128,000 sq. miles, pop. 67,000


    Capital: Bandon


    Yellowstone ?


    (Pre-Fall: Wyoming/west)


    Census: 125,000 sq. miles, pop. 160,500


    Capital: Colter Bay


    Sunshine State ?


    (Pre-Fall: Georgia/south, Florida/north)


    Census: 121,000 sq. miles (+92,500 of mana zone at the tip), pop. 22,500


    Capital: Madison


    Bayou


    (Pre-Fall: Louisiana/east, Mississippi/south border, Alabama/south border)


    Census: 119,000 sq. miles, pop. 65,000


    Capital: New Monterey


    Atlanta


    (Pre-Fall: Mississippi/northeast, Georgia/north)


    Census: 105,000 sq. miles, pop. 52,500


    Capital: New Atlanta


    Lost State ?


    (Pre-Fall: Arkansas/southeast, Mississippi/northwest, Alabama/north)


    Census: 75,500 sq. miles (+151,000 sq. miles of uninhabitable mana zone), pop. 49,500


    Capital: Tennessee


    Missouri Protectorate


    (Pre-Fall: Louisiana/north)


    Census: 56,000 sq. miles, pop. 24,500


    Capital: Farmerville


    Crow State ?


    (Pre-Fall: South Dakota/southeast, Iowa/north)


    Census: 52,000 sq. miles, pop. 121,000


    Capital: Custer


    ? Denotes States that joined the Union of States after the initial signatories of the Treaty of The Union.


    Changed populations in the Union:


    Minotaurs (all central States; originally True Colorado): 8,500


    Incubi (Sunshine State): 5,500


    Thirsters (Marches of the Algonquin): 4,500


    Dwarves (Fremont): 3,500-5,000 (estimate, no real census)


    Dryads (Bayou): 3,000


    Trolls (Sunshine State enclave; originally Caribbean islands): ~500


    Mooneyed (Independence State): 200


    Erlang (Eagle Republic enclave; originally Empire of Dàzhì): ~50


    Neighboring Polities:


    Northwest: Tribal Lands (alliance)


    North: Hudson Bay Tribes


    Northeast: New France


    South: Aztlan & Sinaloa