Quick project aggregating a few data sources to predict election voting county-by-county.
Predicting the 2000-2020 elections from population density, education level, income, demographics and religiosity.
Very preliminary results regressing republican vote margin (republican votes - democrat votes) / (total votes) against these predictors in https://github.com/jasontrigg0/election-data/blob/master/election/regressions_2020.csv