Data retrieved from: http://sos.iowa.gov/elections/results/index.html



Data retrieved from: https://data.iowa.gov/Communities-People/Total-City-Population-by-Year/acem-thbp



Data retrieved from: https://data.iowa.gov/Communities-People/State-of-Iowa-Monthly-Voter-Registration-Totals-by/cp55-uurs



Data retrieved from: https://food.iowa.gov/foodsafety/Inspection/PublicInspectionSearch.aspx