Cities

• Macksburg
• Manchester
• Manilla
• Manly
• Manning
• Manson
• Mapleton
• Maquoketa
• Marble Rock
• Marengo

• Marion
• Marshalltown
• Mason City
• Mechanicsville
• Mediapolis
• Melbourne
• Meriden
• Middletown
• Miles
• Millersburg

• Missouri Valley
• Montezuma
• Monticello
• Moravia
• Mount Ayr
• Mount Pleasant
• Mount Sterling
• Mount Vernon
• Muscatine