Jurong Single Member Constituency, prior to 1988 known simply as the Jurong Constituency, was a single member constituency (SMC) in the western area in Singapore mainly in Jurong and Tuas area. It had existed since the 1959 general elections by carving a portion from Bukit Timah Constituency.
In early October 1966, Chia Thye Poh boycotted Parliament over the ruling People's Action Party (PAP) decision to split from Malaysia. This action was part of BS' strategy to protest what it viewed as "undemocratic acts" by carrying the struggle beyond Parliament. On 7 October, Chia resigned from his seat in the Parliament.
A by-elections was held on 2 November 1966 where Ho Kah Leong of the PAP won uncontested.
In 1976, part of the constituency was carved out to form Boon Lay Constituency.
In 1988, following the establishment of Group representation constituency (GRC) and SMC, it was known as Jurong SMC.
In 1997, the constituency was absorbed into Bukit Timah Group Representation Constituency.
| Year | Member of Parliament | Party | |
|---|---|---|---|
| Legislative Assembly of Singapore | |||
| 1959 | Chor Yeok Eng | PAP | |
| 1963 | Chia Thye Poh | BS | |
| Parliament of Singapore | |||
| 1965 | Chia Thye Poh | BS | |
| 1966 | Ho Kah Leong | PAP | |
| 1968 | |||
| 1972 | |||
| 1976 | |||
| 1980 | |||
| 1984 | |||
| 1988 | |||
| 1991 | |||
Note: The Elections Department does not include rejected votes when calculating the vote shares of candidates. Hence, all candidates' vote shares will total to 100% at any given election (may not appear so in multi-way contests due to rounding).
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Chor Yeok Eng | 4,502 | 70.67 | ||
| SPA | Wong Tuck Leong | 1,325 | 20.80 | ||
| LSP | Chia Yeck Poh | 375 | 5.89 | ||
| Malay Union | Ahman bin Haji Subri | 168 | 2.64 | ||
| Turnout | 6,476 | 90.2 | |||
| PAP win (new seat) | |||||
Note: In 1957, Singapore Malay Union (SMU) was expelled by its alliance partners consisted of UMNO and MCA for fielding a candidate in that by-election which was the reason for the elections department of Singapore to view Ahman bin Haji Subri as an independent candidate.
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| BS | Chia Thye Poh | 3,973 | 55.85 | +55.85 | |
| PAP | Ong Soo Chuan | 2,268 | 31.89 | −38.78 | |
| UPP | Soh U Loh | 501 | 7.04 | +7.04 | |
| SA | Wong Tuck Leong | 371 | 5.22 | +5.22 | |
| Turnout | 6,476 | 94.7 | +4.5 | ||
| BS gain from PAP | Swing | -38.78 | |||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Ho Kah Leong | Walkover | |||
| Turnout | 8,757 | N/A | |||
| PAP gain from BS | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Ho Kah Leong | Walkover | |||
| Turnout | 11,445 | N/A | |||
| PAP hold | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Ho Kah Leong | 10,741 | 76.43 | ||
| United National Front | Ng Soon Hee | 3,312 | 23.57 | ||
| Turnout | 14,537 | 94.7 | N/A | ||
| PAP hold | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Ho Kah Leong | Walkover | |||
| Turnout | 18,310 | N/A | |||
| PAP hold | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Ho Kah Leong | Walkover | |||
| Turnout | 18,658 | N/A | |||
| PAP hold | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Ho Kah Leong | Walkover | |||
| Turnout | 24,517 | N/A | |||
| PAP hold | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Ho Kah Leong | 14,769 | 75.17 | ||
| PKMS | Mohamed Awang | 4,879 | 24.83 | ||
| Turnout | 20,091 | 93.8 | N/A | ||
| PAP hold | Swing | ||||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| PAP | Ho Kah Leong | 18,843 | 64.32 | −10.85 | |
| WP | John Gan Eng Guan | 8,965 | 30.60 | +30.60 | |
| PKMS | Mohamed Awang | 1,489 | 5.08 | −19.75 | |
| Turnout | 30,040 | 96.1 | +2.3 | ||
| PAP hold | Swing | -10.85 | |||
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