Barrios de Wisconsin O

• Old North Milwaukee (15)
• Olde North (2)
• Olde Norwood (5)
• Orchard Ridge (4)
• Outer Appleton (73)
• Outer Brown Deer (3)
• Outer City of Sheboygan (5)
• Outer Eastern Green Bay (3)
• Outer Middleton (25)
• Outer Sun Prairie (39)
• Outer Verona (38)