It was established in 1903 covering areas ceded from the parishes of Llandybie and Betws.
Ammanford Urban District Council comprised fifteen councillors including a chairman and, following the initial election of fifteen members a third of the council stood down annually.
The council, like other urban districts, was responsible for sanitation, sewerage, housing, streets, cemeteries, libraries, parks, and the licensing of public entertainments.
[6] A closely fought election saw one of the leading members of the authority defeated.
Jones regained his seat following a surprise defeat the previous year.