U.S. Census data and boundaries are used in a lot of different projects, but sometimes we’ve encountered some unexpected, and, frankly, odd results from forays into census data. So we wanted to share some tips learned while making sense of these census oddities so you can avoid these common pitfalls!

After the inauguration of President Trump, and the mobilization of millions of people around the world to protest his presidency, it seems timely to examine the data behind the results of the U.S. Presidential Election. Citizens were fueled and deflated by pollster data, with many believing random data from divergent...