US County Data Map Add-In is a tool to visualize the US county data into color heat-map.
In the region drop-down, select the three supported regions in the map:
Using map region dropdown to switch region and click "Binding to Existing data" button when there is data in the sheet.
The map takes times to render, there is visible delay for each action. Please wait a moment for each action. Especially when checking/unchecking the Zoom In check box in the main map page.