The Nalbari Assembly constituency is number 59 out of 126 in the Assam Legislative Assembly. This seat is a mix of urban and rural voters as well. The assembly constituency comes under the Mangoldoi Lok Sabha constituency. The Convenor, Sh. Manash Deka Bharatiya Janata Party for North East, Delhi Pradesh did school education in this assembly constituency.

• 1978: Narendra Nath Dutta, Communist Party of India (Marxist)
• 1983: Chandradhar Kalita, Independent
• 1985: Nagen Sarma, Independent
• 1991: Nagen Sarma, Asom Gana Parishad
• 1996: Nagen Sarma, Asom Gana Parishad
• 2000: Alaka Sarma, Asom Gana Parishad
• 2001: Madan Kalita, Indian National Congress
• 2006: Alaka Sarma, Asom Gana Parishad
• 2011: Jayanta Malla Baruah, Indian National Congress
• 2016: Ashok Sarma, Bhartiya Janata Party
• 2021:Jayanta Malla Baruah, Bhartiya Janata Party

2021 Assam Legislative Assembly election: Nalbari

Party		Candidate	Votes	%	±%
	BJP	Jayanta Malla Baruah	106,190	58.84	4.08
	INC	Pradyut Kumar Bhuyan	56,733	31.43	2.18
	AJP	Nagen Deka	11,778	6.53	6.53
	AITC	Gopi Baruah	1,389	0.77	N/A
	Independent	Keshab Barman	1,150	0.64	N/A
	SUCI(C)	Kenedi Pegu	855	0.48	0.36
	Independent	Apurba Pathak	575	0.32	N/A
	None of the Above	None of the Above	1,808	1.00	−
Majority			49,457	27.41	6.26
Turnout			1,80,485	86.77	0.27
Registered electors			2,07,223
	BJP hold		Swing	4.08

2016 Assam Legislative Assembly election: Nalbari

Party		Candidate	Votes	%	±%
	BJP	Ashok Sarma	99,131	62.92	+52.28
	INC	Pradyut Kumar Bhuyan	46,087	29.25	−4.68
	Independent	Khurshid Alam	3,608	2.29	N/A
	Independent	Shristi Sarma	3,028	1.92	N/A
	CPI(M)	Maheshwar Dutta	1,676	1.06	−2.86
	Independent	Harinarayan Das	698	0.44	N/A
	Independent	Jyotirmay Goswami	611	0.38	N/A
	Independent	Maharishi Parasar Chakravarty	398	0.25	N/A
	Independent	Gopi Baruah	271	0.17	N/A
	JD(U)	Jiten Kalita	229	0.14	N/A
	SUCI(C)	Munindra Doley	222	0.14	−0.27
	NOTA	None of the above	1,576	1.00	N/A
Majority			53,044	33.67	+26.68
Turnout			1,57,535	87.04	+12.49
Registered electors			1,80,991
	BJP gain from INC		Swing

2011 Assam Legislative Assembly election: Nalbari

Party		Candidate	Votes	%	±%
	INC	Jayanta Malla Baruah	39,896	33.93	+0.94
	AGP	Alaka Sarma	31,673	26.94	−17.95
	AITC	Anjan Barman	15,970	13.58	N/A
	BJP	Dilip Saikia	12,507	10.64	−4.53
	Independent	Madan Kalita	9,615	8.18	N/A
	CPI(M)	Rabin Misra	4,613	3.92	N/A
	Independent	Dipika Dutta	1,411	1.20	N/A
	Independent	Nanda Medhi	842	0.72	N/A
	NCP	Taijuddin Ahmed	562	0.48	N/A
	SUCI(C)	Sabitri Deka	480	0.41	N/A
Majority			8,223	6.99	−4.91
Turnout			1,17,569	74.55	−0.66
	INC gain from AGP		Swing

Assam Legislative Assembly election, 2006: Nalbari

Party		Candidate	Votes	%	±%
	AGP	Alaka Sarma	55,104	44.89
	INC	Madan Kalita	40,489	32.99
	BJP	Ashok Sarma	18,623	15.17
	AIUDF	Gautam Pratap Goswami	4,055	3.30
	Independent	Chandradhar Kalita	1,563	1.27
	Independent	Narayan Pathak	1,344	1.09
	AGP(P)	Nripal Barma	961	0.78
	LKS	Satya Ram Talukdar	606	0.49
Majority			14,615	11.90
Turnout			1,22,745	75.21
	AGP gain from INC		Swing

• "Results of all Assam Assembly elections". eci.gov.in. Election Commission of India. Retrieved 15 March 2022.

26°27′N 91°26′E / 26.45°N 91.44°E / 26.45; 91.44