UK Polling History: Election of 15 July 1968 – Caerphilly
Result summary
| Parties | ||||
| Labour | Plaid Cymru |
Conservative | Liberal | |
| Votes | 16,148 | 14,274 | 3,687 | 1,257 |
| Votes gained | -10,182 | +10,325 | -1,495 | -6,933 |
| Share of votes | 45.7% | 40.4% | 10.4% | 3.6% |
| Share of eligible voters | 34.7% | 30.6% | 7.9% | 2.7% |
| Gain in share of votes | -28.6% | +29.2% | -4.2% | -18.8% |
| Gain in share of eligible voters | -22.3% | +22.1% | -3.3% | -15.4% |
| Total votes: | 35,366 | |
| Electorate: | 46,578 | |
| Turnout: | 75.9% | |
| Outcome: | Labour hold | |
| Swing: | 28.9% | Plaid Cymru from Labour |
Polling history
List of contests
| « |
Constituency formed from East Glamorganshire 14 December 1918 |
| Date | Type | Parties | |||||||||||
| Labour | Conservative | Plaid Cymru |
Liberal | Liberal Democrat |
Alliance | UKIP | Reform UK |
Other | Brexit | Green | Communist | ||
| Date | Type | Parties | |||||||||||
| Labour | Conservative | Plaid Cymru |
Liberal | Liberal Democrat |
Alliance | UKIP | Reform UK |
Other | Brexit | Green | Communist | ||
| 4 July 2024 | General Election | 14,538 | 4,385 | 8,119 | 1,788 | 7,754 | 1,650 | ||||||
| 12 December 2019 | General Election | 18,018 | 11,185 | 6,424 | 4,490 | ||||||||
| 8 June 2017 | General Election | 22,491 | 10,413 | 5,962 | 725 | 1,259 | 447 | ||||||
| 7 May 2015 | General Election | 17,864 | 6,683 | 5,895 | 935 | 7,791 | 178 | 937 | |||||
| 6 May 2010 | General Election | 17,377 | 6,622 | 6,460 | 5,688 | 910 | 1,635 | ||||||
| 5 May 2005 | General Election | 22,190 | 5,711 | 6,831 | 3,861 | 636 | |||||||
| 7 June 2001 | General Election | 22,597 | 4,415 | 8,172 | 3,649 | ||||||||
| 1 May 1997 | General Election | 30,697 | 4,858 | 4,383 | 3,724 | 1,607 | |||||||
| 9 April 1992 | General Election | 31,713 | 9,041 | 4,821 | 4,247 | ||||||||
| 11 June 1987 | General Election | 28,698 | 9,531 | 3,955 | 6,923 | ||||||||
| 9 June 1983 | General Election | 21,570 | 9,295 | 6,414 | 10,017 | ||||||||
| 3 May 1979 | General Election | 27,280 | 8,783 | 6,931 | 3,430 | ||||||||
| 10 October 1974 | General Election | 24,161 | 4,897 | 10,452 | 3,184 | ||||||||
| 28 February 1974 | General Election | 24,838 | 5,912 | 11,956 | 711 | ||||||||
| 18 June 1970 | General Election | 24,972 | 3,917 | 11,505 | |||||||||
| 15 July 1968 | By Election | 16,148 | 3,687 | 14,274 | 1,257 | ||||||||
| 31 March 1966 | General Election | 26,330 | 5,182 | 3,949 | |||||||||
| 15 October 1964 | General Election | 26,011 | 6,086 | 3,956 | |||||||||
| 8 October 1959 | General Election | 28,154 | 7,181 | 3,420 | |||||||||
| 26 May 1955 | General Election | 27,852 | 9,180 | ||||||||||
| 25 October 1951 | General Election | 30,523 | 9,041 | ||||||||||
| 23 February 1950 | General Election | 30,270 | 8,771 | ||||||||||
| 5 July 1945 | General Election | 29,158 | 7,189 | ||||||||||
| 14 November 1935 | General Election | 24,846 | 7,738 | ||||||||||
| 27 October 1931 | General Election | 23,061 | 11,044 | ||||||||||
| 30 May 1929 | General Election | 21,248 | 6,357 | 8,190 | 829 | ||||||||
| 29 October 1924 | General Election | 17,723 | 12,293 | ||||||||||
| 6 December 1923 | General Election | 16,535 | 6,493 | 5,152 | |||||||||
| 15 November 1922 | General Election | 16,082 | 12,057 | ||||||||||
| 14 December 1918 | General Election | 11,496 | 9,482 | ||||||||||