UK Polling History: Election of 18 June 1970 – Portsmouth Langstone
Result summary
| Parties | |||
| Conservative | Labour | Liberal | |
| Votes | 43,733 | 26,492 | 10,226 |
| Votes gained | +9,287 | +295 | -314 |
| Share of votes | 54.4% | 32.9% | 12.7% |
| Share of eligible voters | 38.8% | 23.5% | 9.1% |
| Gain in share of votes | +6.0% | -3.9% | -2.1% |
| Gain in share of eligible voters | +3.0% | -3.7% | -1.9% |
| Total votes: | 80,451 | |
| Electorate: | 112,725 | |
| Turnout: | 71.4% | |
| Outcome: | Conservative hold | |
| Swing: | 4.9% | Conservative from Labour |
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 |