UK Polling History: Election of 31 March 1966 – Portsmouth Langstone
Result summary
| Parties | |||
| Conservative | Labour | Liberal | |
| Votes | 34,446 | 26,197 | 10,540 |
| Votes gained | +1,238 | +2,832 | -1,672 |
| Share of votes | 48.4% | 36.8% | 14.8% |
| Share of eligible voters | 35.8% | 27.2% | 11.0% |
| Gain in share of votes | +0.1% | +2.8% | -2.9% |
| Gain in share of eligible voters | -0.5% | +1.7% | -2.4% |
| Total votes: | 71,183 | |
| Electorate: | 96,166 | |
| Turnout: | 74.0% | |
| Outcome: | Conservative hold | |
| Swing: | 2.9% | Labour from Liberal |
Polling history
List of contests
| Date | Type | Parties | ||
| Conservative | Labour | Liberal | ||
| Date | Type | Parties | ||
| Conservative | Labour | Liberal | ||
| 18 June 1970 | General Election | 43,733 | 26,492 | 10,226 |
| 31 March 1966 | General Election | 34,446 | 26,197 | 10,540 |
| 15 October 1964 | General Election | 33,208 | 23,365 | 12,212 |
| 8 October 1959 | General Election | 38,834 | 20,553 | |
| 26 May 1955 | General Election | 32,014 | 17,859 | |
| 25 October 1951 | General Election | 31,702 | 18,647 | |
| 23 February 1950 | General Election | 29,477 | 17,691 | 2,821 |