State Senate District 30 State Senate District (IA) — Elections 1876–2024

Iowa 30th State Senate District, Iowa: Bellwether district. In 2024, voted R+17%. Republican peak: R+63 in 1920.

Key facts

2024 presidential margin: R+17MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 63,0692024 5-year
Median household income: $69,8802024 5-year
White (non-Hispanic): 91.3%2024 5-year
Black: 1.8%2024 5-year
Hispanic / Latino: 4.8%2024 5-year
Peak Democratic margin: D+24 in 1964MIT Election Lab
Peak Republican margin: R+63 in 1920MIT Election Lab

2024 results by constituent county

4 counties · 0 D · 4 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	−17.5%	13,862	19,855	34,331
2020	R	−12.8%	15,110	19,632	35,357
2016	R	−12.2%	13,801	17,981	34,300
2012	D	+12.0%	19,264	15,084	34,935
2008	D	+19.7%	20,941	13,956	35,489
2004	D	+8.9%	19,156	16,015	35,457
2000	D	+11.4%	17,670	13,967	32,514
1996	D	+20.6%	17,449	10,978	31,438
1992	D	+12.0%	16,205	11,959	35,358
1988	D	+15.7%	18,884	13,719	32,865
1984	R	−0.0%	17,045	17,054	34,361
1980	R	−11.3%	13,720	17,602	34,496
1976	D	+3.2%	17,255	16,170	34,017
1972	R	−12.2%	14,490	18,589	33,582
1968	R	−13.8%	12,959	17,362	31,900
1964	D	+24.0%	20,831	12,760	33,649
1960	R	−12.6%	15,871	20,431	36,332
1956	R	−14.9%	15,070	20,336	35,447
1952	R	−26.8%	13,095	22,726	35,897
1948	D	+7.2%	15,644	13,500	29,831
1944	D	+1.1%	14,978	14,663	29,747
1940	D	+1.4%	17,554	17,065	34,698
1936	D	+12.8%	16,975	13,028	30,861
1932	D	+13.6%	16,080	12,203	28,601
1928	R	−31.1%	8,866	16,967	26,066
1924	R	−47.4%	2,012	14,464	26,290
1920	R	−62.5%	3,744	17,171	21,472
1916	R	−28.2%	4,093	7,423	11,792
1912	O	+8.9%	3,430	2,477	10,726
1908	R	−35.3%	3,162	6,759	10,184
1904	R	−56.7%	1,902	7,387	9,679
1900	R	−44.6%	2,988	7,991	11,219
1896	R	−39.7%	3,263	7,693	11,150
1892	R	−25.4%	3,212	5,534	9,136
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

35.9%

Irish

10.4%

English

7.7%

American

4.8%

French

1.6%

Italian

1.2%

Polish

0.9%

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: 43.6 in this county, 39.1 nationally

Male

Age

Female

1.3%

85+

1.9%

2.9%

75–84

3.9%

6.5%

65–74

6.7%

7.4%

55–64

7.2%

5.4%

45–54

5.7%

6.2%

35–44

5.4%

5.6%

25–34

5.6%

3.7%

18–24

3.4%

8.3%

5–17

7.7%

2.7%

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

Median household income

2024 inflation-adjusted dollars

$69,880

State Senate District 30 ranks near the middle of US counties.

State Senate District 30$69,880

Iowa$75,059

United States$80,734

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

Poverty rate

All persons below federal poverty line

10.2%

Child poverty is below the national average.

Children under 1812.7%

Working age (18–64)9.4%

Seniors (65+)9.7%

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

Language at home

Population aged 5 and older

95.9%

speak English only

Spanish1.8%

Other Indo-European1.4%

Asian & Pacific Islander0.8%

Other languages0.2%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Mainline Protestant

26.7%

Catholic & Orthodox

13.4%

Other Christian

8.7%

Methodist

7.1%

Baptist

1.0%

Non-Christian

0.6%

Pentecostal & Holiness

0.3%

Source · 2020 US Religion Census. Remaining 42.2% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of D+17.8, this district stands out sharply in a state that has trended Republican statewide, suggesting a concentrated urban or university-anchored electorate that reliably offsets surrounding conservative areas.

The Democratic margin in Iowa 30th State Senate District has rarely exceeded twenty-four points in modern history; the Republican margin has rarely exceeded sixty-three points. 2024 delivered the district to the Republican candidate by seventeen points.

Its demographics resemble the country more than they resemble most districts. A 91% non-Hispanic-white share, a 10% poverty rate, and a median household income of $69,880 — all within the broad national range.

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Cite this page

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

State Senate District 30, Iowa. Akashic. https://akashic.app/sld-upper/19030/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 30, Iowa vote in 2024?

In 2024, State Senate District 30, Iowa voted Republican by 17.5 points (R+17), carried by the Republican candidate. Out of 34,331 votes cast, 13,862 went Democratic and 19,855 went Republican.

What is State Senate District 30, Iowa's political archetype?

Akashic classifies State Senate District 30, Iowa as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 14 times, Republican 19 times, and other 1 times.

When did State Senate District 30, Iowa last vote Democratic?

The most recent presidential election in which State Senate District 30, Iowa voted Democratic was 2012.

How many people live in State Senate District 30, Iowa?

State Senate District 30, Iowa has a population of 63,069 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in State Senate District 30, Iowa?

Median household income in State Senate District 30, Iowa is $69,880 — below the national median of $80,734. The Iowa state median is $75,059.

What is the political history of State Senate District 30, Iowa?

Akashic tracks 38 presidential elections in State Senate District 30, Iowa from 1876 to 2024. Of those, 14 went Democratic and 19 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Iowa 30th State Senate District delivered R+17 in 2024.

Key facts

Demographics

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Frequently asked questions