Nationwide Hatters: Iowa
- County
- Alumni
- Jefferson
- 0
- Johnson
- 5
- Jones
- 0
- Keokuk
- 0
- Kossuth
- 1
- Lee
- 0
- Linn
- 3
- Louisa
- 0
- Lucas
- 0
- Lyon
- 0
- Madison
- 0
- Mahaska
- 0
- Marion
- 0
- Marshall
- 0
- Mills
- 0
- Mitchell
- 0
- Monona
- 0
- Monroe
- 0
- Montgomery
- 0
- Muscatine
- 0
- O'Brien
- 0
- Osceola
- 0
- Page
- 0
- Palo Alto
- 0
- Plymouth
- 0
- Pocahontas
- 0
- Polk
- 6
- Pottawattamie
- 2
- Poweshiek
- 0
- Ringgold
- 0
- Sac
- 0
- Scott
- 2
- Shelby
- 0
- Sioux
- 0
- Story
- 0
- Tama
- 0
- Taylor
- 0
- Union
- 0
- Van Buren
- 0
- Wapello
- 0
- Warren
- 3
- Washington
- 0
- Wayne
- 0
- Webster
- 0
- Winnebago
- 0
- Winneshiek
- 0
- Woodbury
- 0
- Worth
- 0
- Wright
- 0
