UK Polling History: Election of 31 March 1966 – Cleveland
Result summary
| Parties | |||
| Labour | Conservative | Liberal | |
| Votes | 34,303 | 22,423 | 7,229 |
| Votes gained | +5,707 | -1,701 | -4,158 |
| Share of votes | 53.6% | 35.1% | 11.3% |
| Share of eligible voters | 43.5% | 28.4% | 9.2% |
| Gain in share of votes | +9.0% | -2.6% | -6.5% |
| Gain in share of eligible voters | +6.2% | -3.0% | -5.7% |
| Total votes: | 63,955 | |
| Electorate: | 78,832 | |
| Turnout: | 81.1% | |
| Outcome: | Labour hold | |
| Swing: | 7.7% | Labour from Liberal |
Polling history
List of contests
| Date | Type | Parties | ||
| Labour | Conservative | Liberal | ||
| Date | Type | Parties | ||
| Labour | Conservative | Liberal | ||
| 18 June 1970 | General Election | 36,213 | 31,130 | |
| 31 March 1966 | General Election | 34,303 | 22,423 | 7,229 |
| 15 October 1964 | General Election | 28,596 | 24,124 | 11,387 |
| 8 October 1959 | General Election | 28,790 | 30,445 | |
| 26 May 1955 | General Election | 27,649 | 27,468 | |
| 23 October 1952 | By Election | 25,985 | 22,064 | |
| 25 October 1951 | General Election | 31,237 | 25,756 | |
| 23 February 1950 | General Election | 28,940 | 21,332 | 5,996 |
| 5 July 1945 | General Election | 27,660 | 19,739 | 9,108 |
| 14 November 1935 | General Election | 23,776 | 26,508 | |
| 27 October 1931 | General Election | 20,060 | 30,608 | |
| 30 May 1929 | General Election | 16,938 | 15,255 | 14,535 |
| 29 October 1924 | General Election | 11,153 | 16,578 | 10,260 |
| 6 December 1923 | General Election | 9,683 | 11,855 | 13,326 |
| 15 November 1922 | General Election | 10,483 | 13,369 | 11,668 |
| 14 December 1918 | General Election | 8,610 | 8,701 | 7,089 |