Iowa 4th Congressional District (IA) — Elections 1876–2024

Iowa 4th Congressional District, Iowa: Republican loyalist district. In 2024, voted R+31%. Republican peak: R+48 in 1920.

Key facts

2024 presidential margin: R+31MIT Election Lab
Political archetype: Republican loyalistAkashic typology
Population: 798,0352024 5-year
Median household income: $72,9242024 5-year
White (non-Hispanic): 84.0%2024 5-year
Black: 2.0%2024 5-year
Hispanic / Latino: 10.4%2024 5-year
Peak Democratic margin: D+27 in 1932MIT Election Lab
Peak Republican margin: R+48 in 1920MIT Election Lab

FEENSTRA, RandyCongress 119 · Republican

−1 liberal

+1 conservative

Predecessors: KING, Steve (2019–2021), KING, Steve (2017–2019), KING, Steve (2015–2017), KING, Steve (2013–2015)

Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).

2024 results by constituent county

36 counties · 1 D · 35 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	R	−31.4%	131,714	255,122	393,506
2020	R	−26.0%	146,822	252,573	407,191
2016	R	−26.7%	129,661	235,034	394,333
2012	R	−9.1%	173,811	209,396	390,386
2008	R	−3.5%	184,166	197,866	388,267
2004	R	−13.3%	167,194	219,019	389,635
2000	R	−11.2%	146,573	184,910	342,511
1996	R	−0.3%	147,508	148,355	331,411
1992	R	−2.7%	140,797	150,683	365,573
1988	D	+2.6%	172,692	163,938	339,447
1984	R	−15.0%	155,945	211,607	370,904
1980	R	−22.0%	128,849	211,772	376,276
1976	R	−6.2%	168,756	191,519	367,467
1972	R	−23.3%	132,897	215,450	354,390
1968	R	−19.3%	129,541	196,090	344,851
1964	D	+19.3%	213,288	144,202	358,206
1960	R	−16.5%	163,153	227,513	390,866
1956	R	−19.3%	153,433	227,103	381,855
1952	R	−33.4%	129,694	260,991	393,284
1948	D	+4.2%	164,274	150,703	322,217
1944	R	−2.7%	157,237	166,010	324,770
1940	R	−1.1%	189,925	193,989	385,150
1936	D	+19.3%	211,259	141,096	363,627
1932	D	+26.7%	206,033	117,430	331,423
1928	R	−19.2%	124,426	184,231	310,821
1924	R	−36.6%	46,106	156,956	302,534
1920	R	−48.3%	67,620	201,297	276,509
1916	R	−10.3%	69,461	85,866	158,720
1912	O	+13.8%	52,941	31,938	152,422
1908	R	−20.1%	57,523	87,771	150,535
1904	R	−40.2%	40,046	99,333	147,321
1900	R	−24.3%	60,223	100,215	164,253
1896	R	−15.7%	66,310	91,438	159,920
1892	R	−9.7%	54,100	66,658	129,760
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Congressional elections · 16 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	D %	R %	Total
2022	R	43.3%	55.4%	1,230,416
2020	R	44.4%	50.9%	1,700,130
2016	R	35.7%	60.1%	1,541,036
2014	R	43.8%	52.1%	1,129,700
2010	R	33.3%	64.4%	1,116,063
2008	D	62.7%	37.3%	1,502,918
2004	R	27.9%	70.2%	1,479,228
2002	D	54.2%	43.8%	1,023,075
1998	R	30.5%	68.4%	947,907
1996	D	51.8%	46.7%	1,224,054
1992	R	27.2%	69.6%	1,292,494
1990	D	54.5%	45.4%	983,933
1986	R	33.6%	66.0%	891,762
1984	D	55.5%	43.7%	1,292,700
1980	R	45.5%	53.5%	1,276,986
1978	R	47.9%	51.1%	824,576

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

31.6%

Irish

10.5%

English

8.4%

American

5.3%

Italian

1.5%

French

1.0%

Scottish

1.0%

Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 38.5 in this county, 39.1 nationally

Male

Age

Female

0.9%

85+

1.6%

2.4%

75–84

3.0%

5.5%

65–74

5.6%

6.3%

55–64

6.3%

5.6%

45–54

5.2%

6.1%

35–44

5.6%

6.1%

25–34

5.5%

6.1%

18–24

5.2%

8.8%

5–17

8.3%

3.0%

2.7%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$72,924

Congressional District 4 ranks near the middle of US counties.

Congressional District 4$72,924

Iowa$75,059

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

11.7%

Child poverty is below the national average.

Children under 1813.3%

Working age (18–64)11.0%

Seniors (65+)10.8%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

89.6%

speak English only

Spanish7.2%

Asian & Pacific Islander1.6%

Other Indo-European1.1%

Other languages0.5%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Mainline Protestant

19.7%

Catholic & Orthodox

15.8%

Methodist

6.8%

Other Christian

5.9%

Baptist

1.1%

Pentecostal & Holiness

1.0%

Non-Christian

0.4%

Source · 2020 US Religion Census. Remaining 49.3% of residents not counted as adherents by any reporting body.

Spanning rural farmland across Iowa's northwestern corner, this district delivered a 32-point presidential margin in 2024, reflecting an agricultural electorate that has shifted steadily and sharply toward one party over the past two decades.

The Republican margin in Iowa 4th Congressional District reached its widest at forty-eight points in 1920. The margin in 2024 was thirty-one points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $72,924, a 84% non-Hispanic-white share, and a population of 798,035 together describe a district whose political habits are deeply settled.

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Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

Congressional District 4, Iowa. Akashic. https://akashic.app/cd/1904/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Congressional District 4, Iowa vote in 2024?

In 2024, Congressional District 4, Iowa voted Republican by 31.4 points (R+31), carried by the Republican candidate. Out of 393,506 votes cast, 131,714 went Democratic and 255,122 went Republican.

What is Congressional District 4, Iowa's political archetype?

Akashic classifies Congressional District 4, Iowa as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 5 times, Republican 28 times, and other 1 times.

When did Congressional District 4, Iowa last vote Democratic?

The most recent presidential election in which Congressional District 4, Iowa voted Democratic was 1988.

How many people live in Congressional District 4, Iowa?

Congressional District 4, Iowa has a population of 798,035 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Congressional District 4, Iowa?

Median household income in Congressional District 4, Iowa is $72,924 — below the national median of $80,734. The Iowa state median is $75,059.

What is the political history of Congressional District 4, Iowa?

Akashic tracks 38 presidential elections in Congressional District 4, Iowa from 1876 to 2024. Of those, 5 went Democratic and 28 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.

Iowa 4th Congressional District has voted Republican in nine straight presidential cycles.

Key facts

U.S. Senate

Demographics

Compare two places, side by side

Frequently asked questions