The boundaries of the Iowa Section as defined by ITE in the Iowa Section Charter Article II Section 2.1 include:
The area designated as that of this Section shall be the state of Iowa less the Counties of Harrison, Pottawattamie and Mills, plus the Illinois Counties of Rock island, Henry and Mercer
The above map shows the boundaries of the region encompassed by the Iowa Section. As of 2021 the Iowa Section has 93 members spread throughout the state as shown in the following map. The centroid of our membership would be near Grinnell, IA while the centroid of the population of our region would be near Belle Plaine.