NY-21 elected a Republican in 2018.

R+9.8 on 235,267 certified votes. Below: the 2018 result and this district's margin across every cycle on record.

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NY-21 — 2018 result

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

Democratic (D)

93,394

39.7%

Republican (R)

116,433

49.5%

All others

25,440

10.8%

Margin

R+9.8

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Margin history

NY-21 across every cycle on record. Each year links to its district page.

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Year	Won	Margin	Votes
2024	R	−20.6%	360,328
2022	R	−13.1%	289,566
2020	R	−14.7%	320,788
2018	R	−9.8%	235,267
2016	R	−28.1%	272,606
2014	R	−15.2%	174,527
2012	D	+5.3%	252,451
2010	D	+24.8%	220,641
2008	D	+27.0%	275,850
2006	D	+43.5%	214,356
2004	D	+31.8%	274,154
2002	D	+34.9%	214,854
2000	D	+41.3%	235,672
1998	D	+36.8%	197,570
1996	D	+31.0%	239,756
1994	D	+26.1%	242,005
1992	D	+24.7%	265,278
1990	R	−29.8%	153,706
1988	R	−43.1%	201,607
1986	R	−45.7%	133,397
1984	R	−47.4%	204,327
1982	R	−41.2%	156,124
1980	D	+85.0%	32,758
1978	D	+78.2%	24,449
1976	D	+83.0%	41,883