List of parliamentary constituencies in Northamptonshire

The county of Northamptonshire is divided into 7 parliamentary constituencies – 2 borough constituencies and 5 county constituencies.

Constituencies

Conservative † Labour ‡

Constituency^{[nb 1]}	Electorate^[1]	Majority^[2]^{[nb 2]}
Corby and East Northamptonshire CC	78,770	6,331	Lee Barron ‡	Tom Pursglove †
Daventry CC	76,539	3,012	Stuart Andrew †	Marianne Kimani ‡
Kettering CC	79,360	3,900	Rosie Wrighting ‡	Philip Hollobone †
Northampton North BC	75,713	9,014	Lucy Rigby ‡	Dan Bennett †
Northampton South BC	71,512	4,071	Mike Readers ‡	Andrew Lewer †
South Northamptonshire CC	76,555	3,687	Sarah Bool †	Rufia Ashraf ‡
Wellingborough and Rushden CC	77,542	5,486	Gen Kitchen ‡	David Goss †

2024 boundary changes

See 2023 Periodic Review of Westminster constituencies for further details.

Former name	Boundaries 2010–2024	Current name	Boundaries 2024–present
Corby CC Daventry CC Kettering CC Northampton North BC Northampton South BC South Northamptonshire CC Wellingborough CC	2010–2024 constituencies in Northamptonshire	Corby and East Northamptonshire CC Daventry CC Kettering CC Northampton North BC Northampton South BC South Northamptonshire CC Wellingborough and Rushden CC	Current constituencies in Northamptonshire

For the 2023 Periodic Review of Westminster constituencies, which redrew the constituency map ahead of the 2024 United Kingdom general election, the Boundary Commission for England maintained seven constituencies in Northamptonshire, as detailed below, with boundary changes to reflect changes to ward boundaries following the reorganisation of local government authorities within the county and to bring the electorates within the statutory range. Corby was renamed Corby and East Northamptonshire, and Wellingborough renamed Wellingborough and Rushden.^[3]^[4] These changes came into effect from the 2024 general election.

Containing electoral wards from North Northamptonshire

Containing electoral wards from West Northamptonshire

Daventry (part)
Northampton North
Northampton South
South Northamptonshire (part)

Results history

Primary data source: House of Commons research briefing – General election results from 1918 to 2019^[5]

2024

The number of votes cast for each political party who fielded candidates in constituencies comprising Northamptonshire in the 2024 general election were as follows:^[2]

Party	Votes	%	Change from 2019	Seats	Change from 2019
Labour	122,226	36.3%	7.2%	5	5
Conservative	100,203	29.8%	29.2%	2	5
Reform	61,502	18.3%	New	0
Greens	23,170	6.9%	4.0%	0
Liberal Democrats	22,306	6.6%	1.8%	0
Others	6,894	2.0%	1.4	0
Total	336,331	100.0		7

Percentage votes

Election year	1974 (Feb)	1974 (Oct)	1979	1983	1987	1992	1997	2001	2005	2010	2015	2017	2019	2024
Labour	38.6	41.3	36.3	25.5	27.1	33.5	45.0	43.8	37.5	25.7	25.7	35.9	29.1	36.3
Conservative	39.1	40.6	50.2	49.0	51.7	51.8	40.4	41.2	43.1	47.4	50.6	55.7	59.0	29.8
Reform	–	–	–	–	–	–	–	–	–	–	–	–	–	18.3
Green Party	–	–	–	–	*	*	*	*	*	0.8	3.5	1.7	2.9	6.9
Liberal Democrat¹	22.0	18.1	12.8	25.2	20.8	14.3	11.1	12.6	15.2	19.1	4.1	4.1	8.4	6.6
UKIP	–	–	–	–	–	–	*	*	*	2.8	16.0	2.5	*	–
Other	0.3	–	0.7	0.2	0.4	0.4	3.4	2.5	4.2	4.3	0.1	0.1	0.6	2.0

¹1974 & 1979 – Liberal Party; 1983 & 1987 – SDP-Liberal Alliance

* Included in Other

Seats

Election year	1974 (Feb)	1974 (Oct)	1979	1983	1987	1992	1997	2001	2005	2010	2015	2017	2019	2024
Labour	2	2	1	0	0	0	5	5	2	0	0	0	0	5
Conservative	3	3	4	6	6	6	1	1	4	7	7	7	7	2
Total	5	5	5	6	6	6	6	6	6	7	7	7	7	7

Maps

1885–1910

1885
1886
1892
1895
1900
1906
Jan 1910
Dec 1910

1918–1945

1918
1922
1923
1924
1929
1931
1935
1945

1950–1979

1950
1951
1955
1959
1964
1966
1970

1974–present

The borders of Northamptonshire changed from 1974, with the Soke of Peterborough area becoming part of neighbouring Cambridgeshire.

Feb 1974
Oct 1974
1979
1983
1987
1992
1997
2001
2005
2010
2015
2017
2019
2024

Historical representation by party

A cell marked → (with a different colour background to the preceding cell) indicates that the previous MP continued to sit under a new party name.

1885 to 1918

Conservative Independent Liberal Labour Liberal Liberal-Labour Liberal Unionist National Party

Constituency	1885	1886	89	91	1892	1895	1900	1906	Jan 1910	Dec 1910	17	18
Northampton	Labouchère							Paul	Lees-Smith
Northampton	Bradlaugh			Manfield		Drucker	Shipman		McCurdy
Northamptonshire East	Channing									Money		→
Northamptonshire Mid	Spencer					Pender	Spencer	Manfield
Northamptonshire North	Cecil					Monckton	Stopford-Sackville	Nicholls	Brassey
Northamptonshire South	Knightley				Guthrie	Douglas-Pennant	FitzRoy	Grove	FitzRoy		→	→
Peterborough	Wentworth-FitzWilliam	→	Morton			Purvis		Greenwood

1918 to 1950

Coalition Liberal (1918–22) / National Liberal (1922–23) Conservative Co-operative Labour Speaker

Constituency	1918	1922	1923	1924	28	1929	1931	40	43	1945
Daventry	FitzRoy				→				R, Manningham-Buller
Kettering	Waterson	Parker	Perry	M. Manningham-Buller		Perry	Eastwood	Profumo		Mitchison
Northampton	McCurdy		Bondfield	Holland	Malone		M. Manningham-Buller	Summers		Paget
Peterborough	Brassey					Horrabin	Cecil		Hely-Hutchinson	Tiffany
Wellingborough	Smith	Shakespeare	Cove			Dallas	James			Lindgren

1950–1983

Conservative Labour

Constituency	1950	1959	62	1964	69	Feb 1974	1979
Kettering	Mitchison			de Freitas			Homewood
Northampton / Northampton North (1974)	Paget					Colquhoun	Marlow
Wellingborough	Lindgren	Hamilton		Howarth	Fry
Peterborough	Nicholls					Transferred to Huntingdon and Peterborough
Northamptonshire South / Daventry (1974)	Manningham-Buller		Jones				Prentice
Northampton South						Morris

1983–present