The municipalities in Union County offer a small town style with metropolitan conveniences such as shopping malls and a commuter airport. Union's incorporated towns and villages with functioning governments are:

• Fairview
• Hemby Bridge
• Indian Trail
• Lake Park
• Marshville
• Marvin
• Mineral Springs
• Monroe (the County Seat)
• Stallings
• Unionville
• Waxhaw
• Weddington
• Wesley Chapel
• Wingate