MO-03 elected a Republican in 2016.

R+39.9 on 368,333 certified votes. Below: the 2016 result and this district's margin across every cycle on record.

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MO-03 — 2016 result

Source: MIT Election Data + Science Lab, US House returns (party-classified by literal ballot party).

Democratic (D)

102,891

27.9%

Republican (R)

249,865

67.8%

All others

15,577

4.2%

Margin

R+39.9

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Margin history

MO-03 across every cycle on record. Each year links to its district page.

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Year	Won	Margin	Votes
2024	R	−26.0%	392,463
2022	R	−30.2%	277,597
2020	R	−40.9%	407,348
2018	R	−32.2%	324,608
2016	R	−39.9%	368,333
2014	R	−41.2%	191,620
2012	R	−30.6%	338,385
2010	D	+2.3%	203,085
2008	D	+36.0%	305,071
2006	D	+33.9%	221,448
2004	D	+7.7%	277,916
2002	D	+20.1%	206,878
2000	D	+18.2%	254,539
1998	D	+13.8%	176,099
1996	D	+20.2%	232,755
1994	D	+18.0%	203,940
1992	D	+30.9%	271,834
1990	D	+13.6%	156,609
1988	D	+26.5%	239,203
1986	D	+37.9%	168,785
1984	D	+100.0%	193,537
1982	D	+55.7%	168,954
1980	D	+55.2%	184,409
1978	D	+63.8%	148,446
1976	D	+27.4%	180,732