Swansea Postcodes County

Swansea is a county and city area on the south coast of Wales, set along the shores of Swansea Bay and backed by hills and upland countryside. Its coastal position has played an important role in shaping settlement, trade and industry, while the surrounding landscape adds a strong natural element to everyday life. The area combines urban development with beaches, estuaries and open land, giving it a varied and distinctive setting.

The city of Swansea acts as the main centre for the county, supporting education, employment and regional services. It developed significantly during the industrial period, particularly through copper processing, shipping and manufacturing, which earned it the nickname Copperopolis. While heavy industry has declined, the area has continued to adapt, with a growing focus on education, culture, tourism and modern services.

Swansea benefits from close access to both coastline and countryside, with beaches, coastal paths and nearby rural areas forming part of daily life for many residents. The wider county includes smaller communities and green spaces that balance the urban centre. Overall, Swansea offers a steady mix of coastal influence, industrial heritage and modern city life, giving it a grounded and evolving character within south west Wales.

6,621
Postcodes
8
Districts
271,623
Population
Wales
Country

Postcode districts in Swansea

DistrictPost townPostcodesPopulation
SA1 Swansea 1,341 47,397
SA4 Swansea 1,132 44,295
SA2 Swansea 776 38,546
SA18 Ammanford 774 29,743
SA6 Swansea 767 34,017
SA5 Swansea 750 36,390
SA3 Swansea 736 26,222
SA7 Swansea 345 15,013

Frequently asked questions

How many postcodes are in Swansea?

There are approximately 6,621 postcodes in Swansea.

How many postcode districts are in Swansea?

Swansea contains 8 postcode districts.

What is the population of Swansea?

The postcode districts in Swansea have a combined population of about 271,623.