Sioux City, IA-NE-SD Metro Area — Elections 1876–2024

Sioux City, IA-NE-SD, Iowa: Bellwether metro. In 2024, voted R+26%. Republican peak: R+41 in 1904.

Key facts

2024 presidential margin: R+26MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 144,6822024 5-year
Median household income: $75,0532024 5-year
White (non-Hispanic): 69.4%2024 5-year
Black: 5.0%2024 5-year
Hispanic / Latino: 20.7%2024 5-year
Peak Democratic margin: D+37 in 1932MIT Election Lab
Peak Republican margin: R+41 in 1904MIT Election Lab

2024 results by constituent county

3 counties · 0 D · 3 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	−26.3%	20,802	36,063	57,935
2020	R	−18.7%	24,173	35,606	61,034
2016	R	−22.1%	20,751	33,633	58,343
2012	R	−2.8%	28,006	29,633	58,751
2008	R	−2.7%	28,221	29,821	58,898
2004	R	−4.3%	27,482	29,964	57,858
2000	R	−1.4%	23,651	24,341	49,729
1996	D	+2.1%	22,234	21,194	48,656
1992	R	−1.4%	21,943	22,725	54,425
1988	D	+4.6%	25,707	23,441	49,472
1984	R	−9.8%	23,682	28,900	53,029
1980	R	−18.2%	19,690	29,506	53,817
1976	R	−6.2%	24,496	27,781	53,142
1972	R	−15.0%	21,276	28,907	50,899
1968	R	−7.8%	21,836	25,754	50,464
1964	D	+21.3%	32,323	20,980	53,333
1960	R	−10.0%	26,564	32,497	59,067
1956	R	−10.9%	24,564	30,551	55,164
1952	R	−18.4%	23,082	33,554	56,795
1948	D	+13.6%	26,665	20,239	47,300
1944	D	+3.7%	24,494	22,748	47,346
1940	D	+2.4%	29,487	28,088	57,664
1936	D	+29.9%	33,108	17,266	53,069
1932	D	+36.8%	32,971	15,008	48,816
1928	R	−8.8%	20,691	24,711	45,587
1924	R	−28.7%	7,517	19,539	41,952
1920	R	−28.3%	11,529	21,070	33,734
1916	D	+17.4%	10,959	7,660	18,997
1912	O	+19.4%	6,141	2,849	16,981
1908	R	−10.8%	6,947	8,708	16,254
1904	R	−41.2%	3,938	10,265	15,364
1900	R	−14.2%	6,931	9,308	16,700
1896	R	−5.2%	7,301	8,120	15,698
1892	R	−6.6%	4,791	5,650	12,978
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

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

German

25.4%

Irish

11.1%

American

7.3%

English

6.4%

French

1.7%

Polish

1.4%

Italian

1.3%

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: 36.2 in this county, 39.1 nationally

Male

Age

Female

0.5%

85+

1.0%

2.2%

75–84

2.4%

4.7%

65–74

4.9%

5.9%

55–64

6.0%

5.8%

45–54

5.4%

6.5%

35–44

6.2%

6.5%

25–34

6.2%

5.0%

18–24

4.6%

10.0%

5–17

9.3%

3.4%

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

Median household income

2024 inflation-adjusted dollars

$75,053

Sioux City, IA-NE-SD ranks near the middle of US counties.

Sioux City, IA-NE-SD$75,053

Iowa$75,059

United States$80,734

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

Poverty rate

All persons below federal poverty line

12.7%

Children face moderate poverty.

Children under 1815.9%

Working age (18–64)11.5%

Seniors (65+)11.8%

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

Language at home

Population aged 5 and older

80.1%

speak English only

Spanish15.0%

Asian & Pacific Islander2.0%

Other languages1.7%

Other Indo-European1.2%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

21.6%

Mainline Protestant

11.5%

Other Christian

4.2%

Methodist

3.9%

Pentecostal & Holiness

1.8%

Non-Christian

1.4%

Baptist

1.2%

Source · 2020 US Religion Census. Remaining 54.4% of residents not counted as adherents by any reporting body.

Sioux City anchors a rare three-state metropolitan area, drawing its electorate from counties in Iowa, Nebraska, and South Dakota whose agricultural economies and meatpacking workforce produce distinctive voting patterns compared with each state's urban cores.

The Democratic margin in Sioux City, IA-NE-SD has rarely exceeded thirty-seven points in modern history; the Republican margin has rarely exceeded forty-one points. 2024 delivered the metro to the Republican candidate by twenty-six points.

Its demographics resemble the country more than they resemble most metros. A 69% non-Hispanic-white share, a 13% poverty rate, and a median household income of $75,053 — all within the broad national range.

Cite this page

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

Sioux City, IA-NE-SD, Iowa — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cbsa/43580/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Sioux City, IA-NE-SD, Iowa vote in 2024?

In 2024, Sioux City, IA-NE-SD, Iowa voted Republican by 26.3 points (R+26), carried by the Republican candidate. Out of 57,935 votes cast, 20,802 went Democratic and 36,063 went Republican.

What is Sioux City, IA-NE-SD, Iowa's political archetype?

Akashic classifies Sioux City, IA-NE-SD, Iowa as a "Bellwether" metro based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the metro has voted Democratic 9 times, Republican 24 times, and other 1 times.

When did Sioux City, IA-NE-SD, Iowa last vote Democratic?

The most recent presidential election in which Sioux City, IA-NE-SD, Iowa voted Democratic was 1996.

How many people live in Sioux City, IA-NE-SD, Iowa?

Sioux City, IA-NE-SD, Iowa has a population of 144,682 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Sioux City, IA-NE-SD, Iowa?

Median household income in Sioux City, IA-NE-SD, Iowa is $75,053 — below the national median of $80,734. The Iowa state median is $75,059.

What is the political history of Sioux City, IA-NE-SD, Iowa?

Akashic tracks 38 presidential elections in Sioux City, IA-NE-SD, Iowa from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican. The metro's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Sioux City, IA-NE-SD delivered R+26 in 2024.

Key facts

Demographics

Frequently asked questions