akashic
1876–2024
State Senate District 23·Iowa

Iowa 23rd State Senate District has voted Democratic in eleven straight presidential cycles.

One of Iowa's most lopsided legislative districts by presidential margin

18762024·38 elections
IA
Latest
D+10
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
317,597
2024 ACS

Iowa 23rd State Senate District, Iowa: Democratic loyalist district. In 2024, voted D+10%. Republican peak: R+56 in 1904.

Key facts

2024 presidential margin
D+10MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
317,5972024 5-year
Median household income
$84,9932024 5-year
White (non-Hispanic)
76.4%2024 5-year
Black
7.1%2024 5-year
Hispanic / Latino
10.1%2024 5-year
Peak Democratic margin
D+33 in 1964MIT Election Lab
Peak Republican margin
R+56 in 1904MIT Election Lab
3 counties · 1 D · 2 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+9.5%
88,26772,685163,854
D
+13.9%
91,31268,538163,435
D
+10.0%
73,40158,854144,766
D
+12.6%
78,65160,738142,033
D
+13.5%
73,96956,092132,360
D
+3.7%
63,83059,295124,085
D
+5.0%
54,25948,934105,937
D
+14.5%
50,73237,00894,660
D
+8.8%
47,31938,422100,915
D
+18.7%
50,96734,84386,299
D
+2.7%
45,47043,02889,108
R
−1.7%
37,35438,84086,778
D
+7.1%
43,46437,54783,119
R
−8.4%
35,66042,36079,960
D
+0.6%
31,89831,47169,494
D
+33.0%
44,95322,59267,836
R
−7.6%
33,39338,85372,288
R
−8.3%
32,09637,88170,021
R
−9.7%
30,68537,33868,618
D
+13.9%
27,68620,75949,893
D
+10.8%
28,06722,57850,918
D
+10.6%
31,53425,45157,189
D
+12.8%
27,24520,94549,030
R
−3.3%
19,47820,85842,210
R
−36.3%
12,20126,29938,804
R
−51.3%
4,09723,29137,451
R
−37.1%
10,07422,53433,605
D
+3.3%
7,7487,23515,618
O
+10.3%
4,6063,12814,340
R
−21.6%
5,0408,02213,789
R
−55.8%
2,0589,01312,466
R
−32.6%
4,0378,16912,669
R
−21.4%
4,6507,23212,056
R
−16.1%
3,5965,1229,482
No data
No data
No data
No data

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
24.9%
Irish
13.5%
English
11.8%
American
3.3%
Italian
3.2%
Scottish
2.0%
French
1.5%
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.
Language at home
Population aged 5 and older
85.4%
speak English only
Spanish6.8%
Asian & Pacific Islander3.3%
Other Indo-European2.5%
Other languages2.0%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
13.3%
Mainline Protestant
9.1%
Other Christian
6.3%
Methodist
3.5%
Pentecostal & Holiness
2.9%
Non-Christian
2.2%
Baptist
2.1%
Source · 2020 US Religion Census. Remaining 60.7% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of R+45.2, this rural Iowa senate district ranks among the state's most one-sided, reflecting the consolidation of nonmetropolitan areas around a single-party preference over the past decade.

The Democratic margin in Iowa 23rd State Senate District reached its widest at thirty-three points in 1964. The margin in 2024 was ten points — still decisive.

Its loyalty is rooted in its place. Median household income of $84,993, a 76% non-Hispanic-white share, and a population of 317,597 together describe a district whose political habits are deeply settled.

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 23, Iowa. Akashic. https://akashic.app/sld-upper/19023/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 23, Iowa vote in 2024?
In 2024, State Senate District 23, Iowa voted Democratic by 9.5 points (D+10), carried by the Democratic candidate. Out of 163,854 votes cast, 88,267 went Democratic and 72,685 went Republican.
What is State Senate District 23, Iowa's political archetype?
Akashic classifies State Senate District 23, 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 19 times, Republican 14 times, and other 1 times.
When did State Senate District 23, Iowa last vote Republican?
The most recent presidential election in which State Senate District 23, Iowa voted Republican was 1980.
How many people live in State Senate District 23, Iowa?
State Senate District 23, Iowa has a population of 317,597 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 23, Iowa?
Median household income in State Senate District 23, Iowa is $84,993 — above the national median of $80,734. The Iowa state median is $75,059.
What is the political history of State Senate District 23, Iowa?
Akashic tracks 38 presidential elections in State Senate District 23, Iowa from 1876 to 2024. Of those, 19 went Democratic and 14 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.