32,409
Population
9,937
Households
759
Postcodes
4
Sectors
About SG18
The SG18 postcode district covers Biggleswade, Budna, Hatch, Langford, Lower Caldecote, Northill, Upper Caldecote in Central Bedfordshire. It falls under the Biggleswade post town. The area has a population of approximately 32,409.