If you love digging into US election details you’ll love these spreadsheets with US Presidential Election results, by County and Party from 1836 to 2016
There are tabs for each state plus a table of the many political parties like the ‘Bull Moose’ party or the ‘Know Nothing’ party.
Save to Excel
The whole thing can be exported to a ‘real’ (Excel <g>) format from File | Download | Microsoft Excel.
The whole dataset is a mere 640kb – don’t ya love modern file compression?
From there it’s a simple thing to make Excel PivotTables and PivotCharts from the county and year of your choice.