CT-03 elected a Democrat in 2018.

D+25.0 on 270,239 certified votes. Below: the 2018 result and this district's margin across every cycle on record.

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CT-03 — 2018 result

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

Democratic (D)

163,211

60.4%

Republican (R)

95,667

35.4%

All others

11,361

4.2%

Margin

D+25.0

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Margin history

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

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Year	Won	Margin	Votes
2024	D	+19.3%	328,923
2022	D	+16.2%	242,651
2020	D	+18.1%	346,103
2018	D	+25.0%	270,239
2016	D	+31.2%	309,379
2014	D	+28.8%	209,939
2012	D	+42.4%	291,300
2010	D	+27.4%	220,661
2008	D	+49.2%	297,368
2006	D	+53.6%	197,911
2004	D	+47.5%	276,980
2002	D	+36.0%	185,364
2000	D	+44.4%	218,205
1998	D	+44.0%	153,851
1996	D	+36.8%	211,352
1994	D	+33.2%	175,355
1992	D	+10.9%	247,531
1990	D	+4.2%	174,212
1988	D	+33.0%	221,669
1986	D	+39.3%	164,087
1984	D	+5.4%	245,795
1982	D	+0.9%	181,449
1980	R	−5.9%	223,648
1978	D	+18.1%	166,587
1976	D	+11.2%	222,643