Lincoln (UK Parliament constituency)

Lincoln
Borough constituency for the House of Commons
Boundaries since 2024
Boundary of Lincoln in the East Midlands
County	Lincolnshire
Electorate	72,662 (December 2010)[1]
Major settlements	Lincoln
Current constituency
Created	1265
Member of Parliament	TBC (TBC)
Seats	Two until 1885, then one

Lincoln is a constituency^{[n 1]} in Lincolnshire, England represented in the House of Commons of the UK Parliament since 2019 by Karl McCartney, a Conservative Party politician.^{[n 2]}

Since the split of the City of York seat with effect from the 2010 general election, Lincoln has been the oldest constituency in continuous existence in the UK – established in 1265. Lincoln was a bellwether between 1974 and 2017. The seat bucked the national Conservative victory in 1970 by electing a Labour MP, as it did in 2017.

The seat has been considered relative to others an ultra-marginal seat, as well as a swing seat, since 2005 as its winner's majority has not exceeded 6.9% of the vote since the 12.5% majority won in 2005 and the seat has changed hands three times since that year.

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