Sunday, 14 June 2026

STV in Local Government - Cardiff

Cardiff Electorate 251908 cube root 63.1559 63 members - quota 3998.

De Caerdydd Electorate 21091 Quota 5.275 5 Councillors

Treganna Electorate 21078 Quota 5.272 5 Coucillors

Trelai Electorate 17435 Quota 4.360 4 Councillors

Llandaf & Y Tyllgoed Electorate 16720 Quota 4.182 4 Councillors

Gorllewin Caerdydd Electrate 12653 Quota 3.164 3 Councillors

Yr Eglwys Newydd Electorate 19820 Quota 4.957 5 Councillors

Canol Caerdydd Electorate 19021 Quota 4.757 5 Councillors

Rhiwbeina Electorate 18965 Quota 4.743 5 Councillors

Llanisien & Llysfaen Electorate 16434 Quota 4.110 4 Councillors

Pentwyn & Cyncoed Electorate 19258 Quota 4.816 5 Councillors

Y Rhath Electorate 22143 Quota 5.538 6 Councillors

Y Sblot Electorate 14773 Quota 3.695 4 Councillors

Llanrhymni Electorate 14294 Quota 3.575 4 Councillors

Dwyrain Caerdydd Electorate 19123 4.783 5 Councillors

Cardiff gets one more than the qubed root rule would suggest.

STV in Local Government - Merthyr Tydfil

An exercise showing Merthyr Tydfil's council if elected by STV, what sort of ward structure would work

Merthyr Tydfil Electorate 45081 Cube root 35.59 36 councillors quota 1252.25

1. Treharis & Bedlinog Electorate 8247 Quota 6.585 7 Councillors

2. Troedyrhiw & Ynys Owen Electorate 6894 Quota 5.505 5 Councillors

3. Y Dref Electorate 5998 Quota 4.789 5 Councillors

4. Dowlais Electorate 5014 Quota 4.003 4 Councillors

5. Cyfarthfa Electorate 5457 Quota 4.3577 4 Councillors

6. Faenor & Parc Electorate 6176 Quota 4.931 5 Councillors

7. Gurnos & Penydarren Electorate 7295 Quota 5.825 6 Councillors

Faenor & Parc is an awkward shape but the largest part of the electorate of Faenor live in Cefn Coed y Cymmer, which is in that narrow neck joining on Park Ward - so it more a natural fit than Gurnos or Dowlais.