1. Copy data from this website and insert into an Excel spreadsheet.
2. Extract one column and copy into another Excel table.
3. Create a single string of comma-delimited values using Excel's Transpose function, hitting F9 (Mac Command/=) before hitting return. Also, delete the curly brackets before hitting return.
4. Insert these new data values into the "popdata" array in the code. Change the title and size of the map.

Nebraska Population Density 2010