# Delta Constituency

Delta Constituency was a constituency in Singapore from 1959 to 1988. It was originally part of Havelock Constituency.

## History

In 1988, the constituency was dissolved following the establishment of Group representation constituency (GRC) and Single Member Consituency (SMC).

## Member of Parliament

| Election | Member | Party |
| Formation ||||
| Legislative Assembly of Singapore ||||
| 1959 | Chan Choy Siong | PAP |
| 1963 | Chan Choy Siong | PAP |
| Parliament of Singapore ||||
| 1968 | Chan Choy Siong | PAP |
| 1972 | Yeo Choo Kok | PAP |
| 1976 | Yeo Choo Kok | PAP |
| 1980 | Yeo Choo Kok | PAP |
| 1984 | Yeo Choo Kok | PAP |
| Constituency abolished (1988) ||||

## Electoral results

Note : Elections Department Singapore do not include rejected votes for calculation of candidate's vote share. Hence, the total of all candidates' vote share will be 100%.

### Elections in the 1950s

General Election 1959: Delta :
| Party | Party | Candidate | Votes | % | ±% |
| | PAP | Chan Choy Siong | 9,301 | 69.45 | |
| | LSP | Lim Ah Lee | 2,308 | 17.23 | |
| | MCA | Chia Chee Buang | 1,212 | 9.05 | |
| | SPA | N. Munusamy | 571 | 4.27 | |
| Majority | Majority | Majority | 6,993 | 52.22 | N/A |
| Turnout | Turnout | Turnout | 13,392 | 89.55 | |
| Registered electors | Registered electors | Registered electors | 14,954 | | |
| | PAP win (new seat) | PAP win (new seat) | PAP win (new seat) | PAP win (new seat) | PAP win (new seat) |

### Elections in the 1960s

General Election 1963: Delta :
| Party | Party | Candidate | Votes | % | ±% |
| | PAP | Chan Choy Siong | 5,417 | 40.53 | −29.0 |
| | BS | Wee Toon Lip | 5,354 | 40.07 | |
| | UPP | Chen Chia Kuang | 2,233 | 16.71 | |
| | Independent | Wong Kui Yu | 359 | 2.69 | |
| Majority | Majority | Majority | 63 | 0.46 | −51.76 |
| Turnout | Turnout | Turnout | 13,363 | 95.20 | |
| Registered electors | Registered electors | Registered electors | 14,037 | | |
| | PAP hold | PAP hold | Swing | | |
General Election 1968: Delta :
| Party | Party | Candidate | Votes | % | ±% |
| | PAP | Chan Choy Siong | Uncontested | — | |
| Registered electors | Registered electors | Registered electors | 17,715 | | |

### Elections in the 1970s

General Election 1972: Delta :
| Party | Party | Candidate | Votes | % | ±% |
| | PAP | Yeo Choo Kok | 9,149 | 70.72 | +30.19 |
| | WP | Wong Hong Toy | 2,186 | 16.90 | |
| | BS | A. Rahim | 1,602 | 12.38 | |
| Majority | Majority | Majority | 6,963 | 53.82 | +53.36 |
| Turnout | Turnout | Turnout | 12,937 | 93.88 | |
| Registered electors | Registered electors | Registered electors | 13,781 | | |
| | PAP hold | PAP hold | Swing | | |
General Election 1976: Delta :
| Party | Party | Candidate | Votes | % | ±% |
| | PAP | Yeo Choo Kok | 10,636 | 76.40 | +5.68 |
| | DPP | Ng Ho | 3,286 | 23.60 | |
| Majority | Majority | Majority | 7,350 | 52.80 | −1.02 |
| Turnout | Turnout | Turnout | 10,636 | 71.76 | |
| Registered electors | Registered electors | Registered electors | 14,821 | | |
| | PAP hold | PAP hold | Swing | | |

### Elections in the 1980s

General Election 1980: Delta :
| Party | Party | Candidate | Votes | % | ±% |
| | PAP | Yeo Choo Kok | Uncontested | — | |
| Registered electors | Registered electors | Registered electors | 14,830 | | |
General Election 1984: Delta :
| Party | Party | Candidate | Votes | % | ±% |
| | PAP | Yeo Choo Kok | 7,987 | 58.72 | −17.68 |
| | WP | Chua Chwee Huat Peter | 5,614 | 41.28 | |
| Majority | Majority | Majority | 2,373 | 17.44 | −35.36 |
| Turnout | Turnout | Turnout | 13,601 | 91.90 | |
| Registered electors | Registered electors | Registered electors | 14,800 | | |
| | PAP hold | PAP hold | Swing | | |