20,506
Population
9,426
Households
739
Postcodes
5
Sectors
About KA18
The KA18 postcode district covers Cumnock, Ochiltree, Auchinleck, Muirkirk, Smallburn, Lugar, Logan, New Cumnock in East Ayrshire. It falls under the Cumnock post town. The area has a population of approximately 20,506.