Boundary set for Northern Ireland (13 April 2010 - 30 May 2024) Turnouts

Constituency areas Establishing legislation General elections By-elections Majorities Vote shares of winning candidate Turnouts General election party performance

Constituency area	Election type	Polling date	Winning party	Valid vote count	Electorate	Turnout (valid vote count / electorate)
Belfast East	General election	6 May 2010	APNI	34,488	59,007	58.4%
Belfast East	General election	7 May 2015	DUP	39,682	63,157	62.8%
Belfast East	General election	8 June 2017	DUP	42,890	63,495	67.5%
Belfast East	General election	12 December 2019	DUP	42,445	66,245	64.1%
Belfast North	General election	6 May 2010	DUP	36,993	65,504	56.5%
Belfast North	General election	7 May 2015	DUP	40,593	68,553	59.2%
Belfast North	General election	8 June 2017	DUP	45,936	68,249	67.3%
Belfast North	General election	12 December 2019	SF	49,037	72,225	67.9%
Belfast South	General election	6 May 2010	SDLP	34,186	59,524	57.4%
Belfast South	General election	7 May 2015	SDLP	38,957	64,927	60.0%
Belfast South	General election	8 June 2017	DUP	43,705	66,105	66.1%
Belfast South	General election	12 December 2019	SDLP	47,352	69,984	67.7%
Belfast West	General election	6 May 2010	SF	32,133	59,522	54.0%
Belfast West	General election	7 May 2015	SF	35,329	62,697	56.3%
Belfast West	General election	8 June 2017	SF	40,633	62,423	65.1%
Belfast West	General election	12 December 2019	SF	38,782	65,644	59.1%
East Antrim	General election	6 May 2010	DUP	30,502	60,204	50.7%
East Antrim	General election	7 May 2015	DUP	33,497	62,811	53.3%
East Antrim	General election	8 June 2017	DUP	38,143	62,908	60.6%
East Antrim	General election	12 December 2019	DUP	37,261	64,830	57.5%
East Londonderry	General election	6 May 2010	DUP	34,950	63,220	55.3%
East Londonderry	General election	7 May 2015	DUP	34,714	66,926	51.9%
East Londonderry	General election	8 June 2017	DUP	41,030	67,038	61.2%
East Londonderry	General election	12 December 2019	DUP	39,302	69,246	56.8%
Fermanagh and South Tyrone	General election	6 May 2010	SF	46,803	67,908	68.9%
Fermanagh and South Tyrone	General election	7 May 2015	UUP	50,864	70,108	72.6%
Fermanagh and South Tyrone	General election	8 June 2017	SF	53,481	70,601	75.8%
Fermanagh and South Tyrone	General election	12 December 2019	SF	50,762	72,848	69.7%
Foyle	General election	6 May 2010	SDLP	37,889	65,843	57.5%
Foyle	General election	7 May 2015	SDLP	37,002	70,036	52.8%
Foyle	General election	8 June 2017	SF	45,965	70,324	65.4%
Foyle	General election	12 December 2019	SDLP	47,144	74,346	63.4%
Lagan Valley	General election	6 May 2010	DUP	36,540	65,257	56.0%
Lagan Valley	General election	7 May 2015	DUP	39,795	71,152	55.9%
Lagan Valley	General election	8 June 2017	DUP	44,926	72,380	62.1%
Lagan Valley	General election	12 December 2019	DUP	45,405	75,735	60.0%
Mid Ulster	General election	6 May 2010	SF	40,842	64,594	63.2%
Mid Ulster	General election	7 May 2015	SF	40,922	67,832	60.3%
Mid Ulster	General election	8 June 2017	SF	46,694	68,485	68.2%
Mid Ulster	General election	12 December 2019	SF	44,620	70,449	63.3%
Newry and Armagh	General election	6 May 2010	SF	44,906	74,308	60.4%
Newry and Armagh	General election	7 May 2015	SF	49,877	77,633	64.2%
Newry and Armagh	General election	8 June 2017	SF	53,579	78,266	68.5%
Newry and Armagh	General election	12 December 2019	SF	50,779	81,226	62.5%
North Antrim	General election	6 May 2010	DUP	42,397	73,338	57.8%
North Antrim	General election	7 May 2015	DUP	41,907	75,876	55.2%
North Antrim	General election	8 June 2017	DUP	48,460	75,657	64.1%
North Antrim	General election	12 December 2019	DUP	44,051	77,134	57.1%
North Down	General election	6 May 2010	Ind	33,481	60,698	55.2%
North Down	General election	7 May 2015	Ind	35,947	64,207	56.0%
North Down	General election	8 June 2017	Ind	39,185	64,334	60.9%
North Down	General election	12 December 2019	APNI	40,643	67,099	60.6%
South Antrim	General election	6 May 2010	DUP	34,009	63,054	53.9%
South Antrim	General election	7 May 2015	UUP	36,523	67,425	54.2%
South Antrim	General election	8 June 2017	DUP	43,170	68,244	63.3%
South Antrim	General election	12 December 2019	DUP	42,974	71,711	59.9%
South Down	General election	6 May 2010	SDLP	42,589	70,784	60.2%
South Down	General election	7 May 2015	SDLP	42,697	75,220	56.8%
South Down	General election	8 June 2017	SF	50,893	75,685	67.2%
South Down	General election	12 December 2019	SF	49,762	79,175	62.9%
Strangford	General election	6 May 2010	DUP	32,505	60,539	53.7%
Strangford	General election	7 May 2015	DUP	33,924	64,289	52.8%
Strangford	General election	8 June 2017	DUP	38,749	64,327	60.2%
Strangford	General election	12 December 2019	DUP	37,485	66,928	56.0%
Upper Bann	General election	6 May 2010	DUP	41,383	74,732	55.4%
Upper Bann	General election	7 May 2015	DUP	47,219	80,060	59.0%
Upper Bann	General election	8 June 2017	DUP	51,258	80,168	63.9%
Upper Bann	General election	12 December 2019	DUP	50,045	82,887	60.4%
West Tyrone	General election	6 May 2010	SF	37,275	61,148	61.0%
West Tyrone	General election	7 May 2015	SF	38,654	63,856	60.5%
West Tyrone	General election	8 June 2017	SF	43,486	64,009	67.9%
West Tyrone	By-election	3 May 2018	SF	35,029	64,101	54.6%
West Tyrone	General election	12 December 2019	SF	41,186	66,259	62.2%