The document compares the Facebook and Twitter presence of the most populous cities in Iowa. It finds that among these cities, Ankeny has experienced the largest percentage growth on Twitter, increasing from 466 followers in 2010 to 4,471 in 2015 - representing an 859% total growth or 171% annual average growth. For Facebook, Ankeny also has a high rate of followers at 13.70% of its population, though Davenport has the highest at 9.21% of population following its Facebook page.