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- The population is from https://en.wikipedia.org/wiki/List_of_states_and_territories_of_the_United_States_by_population,
- the political leaning is from www.270towin.com updated: Sep. 9, 2020
- the Income per capita is from https://en.wikipedia.org/wiki/List_of_U.S._states_and_territories_by_income.
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