Sleaford and North Hykeham Conservative candidate Caroline Johnson was among 10 Lincolnshire MPs to retain their seat following the general election on June 8.
Johnson, who only became an MP in December 2016, increased her votes secured in the by-election from 17,570 to 42,245, raising her share of the vote from 53.5% to 64.2%.
Labour’s Jim Clarke, who also stood in the by-election, improved on a fourth placed finish, coming second, albeit a long way behind at just over 17,000.
Ross Pepper from the Liberal Democrats maintained his third position in the poll, with UKIP candidate Sally Chadd finishing fourth.
Green Party candidate Fiona McKenna was fifth, with Independent Paul Coyne in sixth and last place.
Below are the results in full:
- Caroline Johnson (Conservative): 42,245
- Jim Clarke (Labour): 17,008
- Ross Pepper (Liberal Democrat): 2,722
- Sally Chadd (UKIP): 1,954
- Fiona McKenna (Green): 968
- Paul Coyne (Independent): 900