The first election to Dyfed County Council was held in April 1973. It was followed by the 1977 election. The vast majority of the councillors elected had been members of one of the three previous county authorities which were merged to create Dyfed, namely Cardiganshire, Carmarthenshire, and Pembrokeshire.
The fifth election to the Carmarthenshire County Council was held on 1 May 2012. It was preceded by the 2008 election and was followed by the 2017 election. Plaid Cymru won 28 seats whilst Labour and the Independents won 23 each. The main feature of the election was a Labour recovery in the Llanelli area, and to some extent in the Gwendraeth and Ammanford area also, mainly at the expense of Independent candidates. Plaid Cymru lost ground to Labour in the Llanelli area but gained seats elsewhere, becoming the largest party. An Independent-Labour coalition was again formed, but with Labour as the leading partner. As a result, Kevin Madge replaced Meryl Gravell as the leader of the council.
The first election to the Carmarthenshire County Council was held in January 1889. It was followed by the 1892 election.
The first election to the Merionethshire County Council was held on 18 January 1889. It was followed by the 1892 election. The county was divided into numerous single member wards with two councillors elected to represent some of the urban areas.
The second election to the Merionethshire County Council was held in March 1892. They were preceded by the 1889 election and followed by the 1895 election.
The fifth election to the Carmarthenshire County Council was held in March 1901. It was preceded by the 1898 election and followed by the 1904 election.
The sixth election to the Carmarthenshire County Council was held in March 1904. It was preceded by the 1901 election and followed by the 1907 election.
An election to the Carmarthenshire County Council was held in March 1946. The 1940 and 1943 elections were postponed due to the Second World War, therefore the election was preceded by the 1937 election and followed, by the 1949 election.
An election to the Carmarthenshire County Council was held in March 1919. It was preceded by the 1913 election and followed by the 1922 election.
An election to the Carmarthenshire County Council was held in March 1922. It was preceded by the 1919 election and followed by the 1925 election.
An election to the Carmarthenshire County Council was held in March 1925. It was preceded by the 1922 election and followed by the 1928 election.
An election to the Carmarthenshire County Council was held in March 1928. It was preceded by the 1925 election and followed by the 1931 election.
An election to the Carmarthenshire County Council was held in March 1931. It was preceded by the 1928 election and followed by the 1934 election.
An election to the Carmarthenshire County Council was held in March 1937. It was preceded by the 1934 election. Due to the Second World War no elections were held in 1940 and 1943 therefore the 1937 election was followed by the 1946 election.
An election to the Carmarthenshire County Council was held in March 1949. It was preceded by the 1946 election and followed, by the 1952 election.
An election to the Carmarthenshire County Council was held in April 1952. It was preceded by the 1949 election and followed, by the 1955 election.
An election to the Carmarthenshire County Council was held in April 1955. It was preceded by the 1952 election and followed, by the 1958 election.
An election to the Carmarthenshire County Council was held in April 1958. It was preceded by the 1955 election and followed, by the 1961 election.
An election to the Carmarthenshire County Council was held in April 1964. It was preceded by the 1961 election and followed by the 1967 election.
The 1913 Glamorgan County Council election was the ninth contest for seats on this local authority in south Wales. It was preceded by the 1910 election and followed, due to the First World War, by the 1919 election.
