This is the data side of an economics research project attmepting to find correlation and effects of income (along with related variables) on 2021 county emission data.

Sources: https://vulcan.rc.nau.edu/

https://www.census.gov/data/tables/time-series/demo/popest/2020s-counties-total.html

https://www.bea.gov/data/gdp

https://apps.bea.gov/histdatacore/Regional_Accounts_new.html

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Notes:

Not sure if the names of counties are accurate in the political or modern sense, could be under an old name and I am not intimately knowledgeable about every county in the US to know if they are correct; I apologize if any counties are under an improper name.