Reddit user u/jinkinson posted this map which clearly shows that the spread is not limited to high density cities. On a per capita basis, rural areas are as highly affected as other areas.

Click image to view in full/zoomable size.

We are all in this together and only together can we survive this storm.

Our tracker has been updated and now shows data for the US down to counties. Scroll down, click on the state, scroll down on the next graph and click on the county. We are working on updating the data set more frequently.

TrackCOVID.live trackers as of article published time:

United States

Edit:

Post has been updated to credit the original creator of the map.