State Senate District 39 State Senate District (IA) — Elections 1876–2024

Iowa 39th State Senate District, Iowa: Democratic loyalist district. In 2024, voted D+10%. Republican peak: R+47 in 1924.

Key facts

2024 presidential margin: D+10MIT Election Lab
Political archetype: Democratic loyalistAkashic typology
Population: 18,7592024 5-year
Median household income: $77,6492024 5-year
White (non-Hispanic): 83.6%2024 5-year
Black: 6.0%2024 5-year
Hispanic / Latino: 4.1%2024 5-year
Peak Democratic margin: D+29 in 1964MIT Election Lab
Peak Republican margin: R+47 in 1920MIT Election Lab

2024 results by constituent county

1 counties · 1 D · 0 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	D	+9.9%	5,412	4,423	10,028
2020	D	+13.7%	5,780	4,352	10,395
2016	D	+8.9%	4,807	3,947	9,633
2012	D	+17.7%	5,593	3,884	9,661
2008	D	+21.5%	5,549	3,558	9,245
2004	D	+9.9%	4,930	4,032	9,032
2000	D	+9.2%	3,988	3,296	7,509
1996	D	+17.5%	3,711	2,525	6,772
1992	D	+9.4%	3,145	2,464	7,249
1988	D	+12.8%	3,506	2,702	6,257
1984	R	−3.2%	3,142	3,349	6,550
1980	R	−5.5%	2,606	2,957	6,380
1976	D	+2.3%	3,120	2,978	6,231
1972	R	−7.4%	2,558	2,977	5,641
1968	R	−1.6%	2,438	2,522	5,255
1964	D	+29.4%	3,271	1,782	5,059
1960	R	−10.6%	2,252	2,789	5,043
1956	R	−21.3%	1,767	2,724	4,495
1952	R	−17.9%	1,779	2,560	4,359
1948	D	+0.3%	1,712	1,703	3,515
1944	R	−0.4%	1,723	1,737	3,471
1940	R	−9.4%	1,593	1,923	3,526
1936	D	+1.5%	1,609	1,560	3,247
1932	R	−2.8%	1,443	1,528	3,011
1928	R	−36.9%	955	2,076	3,042
1924	R	−47.4%	485	1,825	2,829
1920	R	−47.1%	565	1,634	2,269
1916	R	−14.1%	500	670	1,203
1912	D	+8.1%	442	353	1,102
1908	R	−11.3%	448	566	1,044
1904	R	−36.4%	294	663	1,015
1900	R	−20.9%	409	632	1,069
1896	R	−16.0%	431	598	1,047
1892	R	−5.2%	410	457	899
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

30.3%

Irish

14.0%

English

11.5%

American

3.8%

French

1.9%

Scottish

1.7%

Italian

1.6%

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: 39.0 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.3%

2.3%

75–84

3.0%

4.8%

65–74

5.2%

6.2%

55–64

6.3%

6.1%

45–54

6.0%

6.7%

35–44

6.7%

25–34

6.5%

4.5%

18–24

4.5%

8.4%

5–17

8.3%

2.9%

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

Median household income

2024 inflation-adjusted dollars

$77,649

State Senate District 39 ranks near the middle of US counties.

State Senate District 39$77,649

Iowa$75,059

United States$80,734

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

Poverty rate

All persons below federal poverty line

9.4%

Child poverty is below the national average.

Children under 1811.1%

Working age (18–64)9.0%

Seniors (65+)7.7%

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

Language at home

Population aged 5 and older

92.9%

speak English only

Other Indo-European2.3%

Spanish2.2%

Asian & Pacific Islander1.3%

Other languages1.2%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

17.4%

Mainline Protestant

8.6%

Other Christian

7.8%

Methodist

5.5%

Non-Christian

2.6%

Pentecostal & Holiness

1.9%

Baptist

1.1%

Source · 2020 US Religion Census. Remaining 55.1% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of R+41.9, this district ranks among Iowa's most heavily one-sided legislative seats, reflecting the consolidation of rural voting patterns that has reshaped the state's political map over the past decade.

The Democratic margin in Iowa 39th State Senate District reached its widest at twenty-nine points in 1964. The margin in 2024 was ten points — still decisive.

Its loyalty is rooted in its place. Median household income of $77,649, a 84% non-Hispanic-white share, and a population of 18,759 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.

State Senate District 39, Iowa. Akashic. https://akashic.app/sld-upper/19039/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 39, Iowa vote in 2024?

In 2024, State Senate District 39, Iowa voted Democratic by 9.9 points (D+10), carried by the Democratic candidate. Out of 10,028 votes cast, 5,412 went Democratic and 4,423 went Republican.

What is State Senate District 39, Iowa's political archetype?

Akashic classifies State Senate District 39, Iowa as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 15 times, Republican 19 times, and other 0 times.

When did State Senate District 39, Iowa last vote Republican?

The most recent presidential election in which State Senate District 39, Iowa voted Republican was 1984.

How many people live in State Senate District 39, Iowa?

State Senate District 39, Iowa has a population of 18,759 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 39, Iowa?

Median household income in State Senate District 39, Iowa is $77,649 — below the national median of $80,734. The Iowa state median is $75,059.

What is the political history of State Senate District 39, Iowa?

Akashic tracks 38 presidential elections in State Senate District 39, Iowa from 1876 to 2024. Of those, 15 went Democratic and 19 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.

Iowa 39th State Senate District has voted Democratic in ten straight presidential cycles.

Key facts

Demographics

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Frequently asked questions