• COVID-19 confirmed case are from Johns Hopkins: 

• https://coronavirus.jhu.edu/us-map
  

• County-level total population is for 2019 from the U.S. Census Bureau: 

• https://www.census.gov/data/datasets/time-series/demo/popest/2010s-counties-total.html

• County-level data on number of farmers is from the 2017 Census of Agriculture (measured as the numbers of “producers”): 

• https://quickstats.nass.usda.gov/

• County-level data on number of hired farm laborers is from the 2017 Census of Agriculture (measured as an expense associated with “labor, hired – number of workers”): 

• https://quickstats.nass.usda.gov/

• County-level production for each commodity is from the 2017 Census of Agriculture: 

• https://quickstats.nass.usda.gov/

Calculations and Definitions:

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