There are 943 incorporated cities (the only form of municipal incorporation permitted) in the state of Iowa. Identify the most populous of these starting with each letter.
There are no incorporated cities beginning with the letter X in Iowa,
Populations are July 2018 Census Bureau estimates for the city itself, NOT the metropolitan area.
3 changes since the 2010 Census - to G and N in 2012, & to E in 2014.