The council consists of the mayor plus twenty-eight councillors appointed to serve a one-year term by the Sarawak State Government.

In addition, the council also functions to ensure an orderly construction of buildings, safeguard public health, and beautify the environment.

[2] In December 1960, Council's general election was held for the first time in Miri.

[2] MDC was restructured to Miri Municipal Council (MMC) in 1981 and new Councillors were sworn in on 6 November 1981.

[3] In August 2015, Bario sub-district was transferred from Marudi District Council to Miri City Council in view of better infrastructure and accessibility from Miri Airport when compared to Marudi.