Merthyr Tydfil (Constituency) through time

Merthyr Tydfil Constituency

Densities and rates of growth. Age structure: concentrations of young people, and of the old.

Election results, plus information on turn-out.

Alternative names

The following alternate names for this unit exist:

Name	Status	Language	Start	End	Authority
MERTHYR TYDFIL	Preferred	English			Richard H.A. Cheffins, Parliamentary Constituencies and their registers since 1832 (London: The British Library, 1998)
GLAMORGANSHIRE MERTHYR TYDFIL	Alternate	English			Boundary Commission for England, First Periodical Report (London: H.M.S.O., 1954)

Lower level units

We know of no units which were contained within this unit.

Other related units

We know of no associations with other units.

Higher level units

This unit was part of the following units:

Name	Type	Start	End	Authority
WALES Dep	Country	1949	1982	Richard H.A. Cheffins, Parliamentary Constituencies and their registers since 1832 (London: The British Library, 1998)

Boundaries and changes

We know of no boundary changes affecting this unit.

Base layer:

Show boundary:

If the boundaries of the Constituency changed over time, this map will show all the different boundaries.

Maps

How to reference this page:

GB Historical GIS / University of Portsmouth, Merthyr Tydfil (Constituency) through time, A Vision of Britain through Time.

URL: https://www.visionofbritain.org.uk/unit/12756653

Date accessed: 13th December 2025