IA-02 elected a Democrat in 2018.

D+12.2 on 312,913 certified votes. Below: the 2018 result and this district's margin across every cycle on record.

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IA-02 — 2018 result

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

Democratic (D)

171,446

54.8%

Republican (R)

133,287

42.6%

All others

8,180

2.6%

Margin

D+12.2

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Margin history

IA-02 across every cycle on record. Each year links to its district page.

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Year	Won	Margin	Votes
2024	R	−15.6%	408,802
2022	R	−8.2%	318,399
2020	R	−0.0%	394,625
2018	D	+12.2%	312,913
2016	D	+7.5%	370,032
2014	D	+5.1%	273,329
2012	D	+13.1%	381,275
2010	D	+5.1%	227,175
2008	D	+18.4%	306,097
2006	D	+2.9%	209,390
2004	R	−19.8%	299,881
2002	R	−6.5%	207,171
2000	R	−11.7%	252,567
1998	R	−11.2%	189,538
1996	R	−7.6%	239,299
1994	R	−12.6%	198,487
1992	R	−1.1%	267,863
1990	R	−1.0%	166,106
1988	R	−13.5%	200,041
1986	R	−22.7%	144,630
1984	R	−27.8%	214,228
1982	R	−17.7%	169,037
1980	R	−8.9%	206,634
1978	R	−5.2%	138,978
1976	D	+1.3%	204,550