Bukit Timah Single Member Constituency

In 1951, Rural West Constituency was broken up into Bukit Timah constituency and Seletar constituency .

In 1955, the constituency was broken up to form various constituencies, Bukit Panjang, Pasir Panjang, Queenstown, Sembawang and Southern Islands SMC. In 1959, it was further broken up to form Jurong SMC.

In 1972, the constituency was broken up to form Bukit Batok SMC, followed by in 1980 distributed to Ayer Rajah SMC, Clementi SMC and West Coast SMC with the growing development of Clementi, and in 1984 to Yuhua SMC and Hong Kah SMC with the growing development of Jurong East.

In 1988, as part of Singapore's electoral reforms, the constituency was renamed as Bukit Timah Single Member Constituency.

In 1997, it was absorbed into Bukit Timah GRC along with Bukit Batok SMC, Jurong SMC, Ulu Pandan SMC and Yuhua SMC.

In 2001, the SMC was recreated as Bukit Timah GRC was broken up to form Holland–Bukit Panjang GRC, Jurong GRC and Bukit Timah SMC. In 2006, the SMC was absorbed into another GRC, Holland–Bukit Timah GRC.

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 1950s

General Election 1951: Bukit Timah[1]

Party		Candidate	Votes	%
	PP	Hollupatherage James Caldera Kulasingha	1,311	57.15
	Labour Party	Valiya Purayil Abdullah	983	42.85
Rejected ballots			32	1.38
Majority			428	14.3
Registered electors			3,850
Turnout			2,326	60.42
	PP win (new seat)

General Election 1955: Bukit Timah[2]

Party		Candidate	Votes	%	±%
	PAP	Lim Chin Siong	3,259	52.45	N/A
	DP	Tan Wah Meng	1,308	21.05	N/A
	LF	A. N. Mitra	924	14.88	N/A
	PP	S. F. Ho	722	11.62	N/A
Rejected ballots			59	0.94	0.44
Majority			1,951	31.4	14.3
Registered electors			9,173		138.26
Turnout			6,272	68.4	8.00
	PAP gain from PP

General Election 1959: Bukit Timah[3]

Party		Candidate	Votes	%	±%
	PAP	Ya'acob bin Mohamed	6,174	61.14	N/A
	LSP	Pek Cheng Chuan	2,460	24.36	N/A
	Independent	Lee Yew Seng	1,464	14.50	N/A
Rejected ballots			92	0.9	0.04
Majority			3,714	36.78	5.38
Registered electors			11,285		23.02
Turnout			10,190	90.3	21.9
	PAP hold		Swing	8.69

Elections in 1960s

General Election 1963: Bukit Timah[4]

Party		Candidate	Votes	%	±%
	BS	Lee Tee Tong	6,173	52.39	N/A
	PAP	Chor Yeok Eng	4,982	42.28	18.86
	UPP	Ong Tiong Kuan	628	5.33	N/A
Rejected ballots			152	1.27	0.37
Majority			1,191	10.11	26.66
Registered electors			12,502		10.78
Turnout			11,935	95.46	5.16
	BS gain from PAP		Swing	N/A

By Election 1966: Bukit Timah[5]

Party		Candidate	Votes	%	±%
	PAP	Chor Yeok Eng	Unopposed
Registered electors			14,854		18.81
	PAP gain from BS

General Election 1968: Bukit Timah[6]

Party		Candidate	Votes	%	±%
	PAP	Chor Yeok Eng	Unopposed
Registered electors			16,769		12.89
	PAP hold

Elections in 1970s

General Election 1972: Bukit Timah[7]

Party		Candidate	Votes	%	±%
	PAP	Chor Yeok Eng	9,475	66.78	N/A
	BS	K. K. Nair	4,714	33.22	N/A
Rejected ballots			409	2.8	N/A
Majority			4,761	33.56	N/A
Registered electors			15,476		7.71
Turnout			14,598	94.3	N/A
	PAP hold

General Election 1976: Bukit Timah[8]

Party		Candidate	Votes	%	±%
	PAP	Chor Yeok Eng	Unopposed
Registered electors			13,132		15.15
	PAP hold

Elections in 1980s

General Election 1980: Bukit Timah[9]

Party		Candidate	Votes	%	±%
	PAP	Chor Yeok Eng	Unopposed
Registered electors			15,334		16.77
	PAP hold

General Election 1984: Bukit Timah[10]

Party		Candidate	Votes	%	±%
	PAP	Wang Kai Yuen	Unopposed
Registered electors			17,238		12.42
	PAP hold

General Election 1988: Bukit Timah[11]

Party		Candidate	Votes	%	±%
	PAP	Wang Kai Yuen	Unopposed
Registered electors			20,222		17.31
	PAP hold

Elections in 1990s

General Election 1991: Bukit Timah[12]

Party		Candidate	Votes	%	±%
	PAP	Wang Kai Yuen	16,080	72.64	N/A
	WP	Zeng Guo Yuan	5,683	25.68	N/A
	Independent	Md Sani Jan	371	1.68	N/A
Rejected ballots			561	2.47	N/A
Majority			10,397	46.96	N/A
Registered electors			24,512		21.21
Turnout			22,695	92.59	N/A
	PAP hold

• 
  1955 General Election

• Bukit Timah GRC