Iowa 47th State Senate District, Iowa: Bellwether district. In 2024, voted R+4%. Republican peak: R+46 in 1924.
Key facts
- 2024 presidential margin
- R+4MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 36,3352024 5-year
- Median household income
- $78,2772024 5-year
- White (non-Hispanic)
- 79.1%2024 5-year
- Black
- 7.2%2024 5-year
- Hispanic / Latino
- 7.4%2024 5-year
- Peak Democratic margin
- D+34 in 1892MIT Election Lab
- Peak Republican margin
- R+46 in 1924MIT Election Lab
Constituent county margins for State Senate District 47, IAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 8,840 | 9,567 | 18,756 | ||
| D | 9,765 | 9,090 | 19,270 | ||
| D | 8,415 | 8,147 | 18,164 | ||
| D | 10,541 | 7,960 | 18,783 | ||
| D | 10,182 | 7,567 | 17,974 | ||
| D | 8,765 | 8,315 | 17,214 | ||
| D | 7,462 | 6,826 | 14,685 | ||
| D | 6,804 | 5,567 | 13,568 | ||
| D | 7,026 | 6,002 | 15,537 | ||
| D | 7,162 | 6,456 | 13,742 | ||
| R | 6,774 | 7,915 | 14,819 | ||
| R | 5,492 | 7,221 | 14,135 | ||
| R | 6,195 | 7,288 | 13,722 | ||
| R | 4,955 | 7,103 | 12,372 | ||
| R | 5,118 | 5,365 | 11,449 | ||
| D | 6,560 | 4,055 | 10,633 | ||
| R | 4,787 | 5,747 | 10,544 | ||
| R | 3,947 | 5,819 | 9,802 | ||
| R | 3,706 | 6,184 | 9,994 | ||
| R | 3,467 | 3,505 | 7,092 | ||
| D | 3,946 | 3,749 | 7,716 | ||
| D | 4,369 | 3,851 | 8,247 | ||
| D | 4,315 | 2,641 | 7,105 | ||
| D | 3,514 | 2,959 | 6,754 | ||
| R | 2,693 | 3,532 | 6,255 | ||
| R | 905 | 3,821 | 6,334 | ||
| R | 1,139 | 3,378 | 5,750 | ||
| R | 1,085 | 1,733 | 3,074 | ||
| O | 1,172 | 326 | 2,847 | ||
| R | 1,216 | 1,424 | 2,807 | ||
| R | 1,026 | 1,413 | 2,719 | ||
| R | 1,073 | 1,317 | 2,529 | ||
| R | 839 | 1,336 | 2,274 | ||
| D | 1,291 | 624 | 1,941 | ||
| — | — | — | — | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
30.7%
Irish
15.4%
English
10.4%
American
3.3%
Italian
2.4%
Polish
2.0%
Scottish
1.8%
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: 39.4 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$78,277
State Senate District 47 ranks near the middle of US counties.
State Senate District 47$78,277
Iowa$75,059
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.5%
Child poverty is below the national average.
Children under 1813.3%
Working age (18–64)11.1%
Seniors (65+)9.3%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
93.0%
speak English only
Spanish2.8%
Asian & Pacific Islander1.9%
Other Indo-European1.5%
Other languages0.8%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 60.5% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of R+43.4, this rural Iowa district ranks among the state's most consistently one-sided constituencies, leaving general-election competition largely absent at every level of the ballot.
The Democratic margin in Iowa 47th State Senate District has rarely exceeded thirty-four points in modern history; the Republican margin has rarely exceeded forty-six points. 2024 delivered the district to the Republican candidate by four points.
Its demographics resemble the country more than they resemble most districts. A 79% non-Hispanic-white share, a 12% poverty rate, and a median household income of $78,277 — all within the broad national range.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 47, Iowa. Akashic. https://akashic.app/sld-upper/19047/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 47, Iowa vote in 2024?
In 2024, State Senate District 47, Iowa voted Republican by 3.9 points (R+4), carried by the Republican candidate. Out of 18,756 votes cast, 8,840 went Democratic and 9,567 went Republican.
What is State Senate District 47, Iowa's political archetype?
Akashic classifies State Senate District 47, Iowa as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 15 times, Republican 18 times, and other 1 times.
When did State Senate District 47, Iowa last vote Democratic?
The most recent presidential election in which State Senate District 47, Iowa voted Democratic was 2020.
How many people live in State Senate District 47, Iowa?
State Senate District 47, Iowa has a population of 36,335 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 47, Iowa?
Median household income in State Senate District 47, Iowa is $78,277 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of State Senate District 47, Iowa?
Akashic tracks 38 presidential elections in State Senate District 47, Iowa from 1876 to 2024. Of those, 15 went Democratic and 18 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.