akashic
1876–2024
State House District 18·Indiana

Indiana 18th State House District has voted Republican in fifteen straight presidential cycles.

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

1876 — 2024·38 elections
IN
Latest
R+46
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
98,857
2024 ACS

Indiana 18th State House District, Indiana: Republican loyalist district. In 2024, voted R+46%. Republican peak: R+46 in 2024.

Key facts

2024 presidential margin
R+46MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
98,8572024 5-year
Median household income
$72,0632024 5-year
White (non-Hispanic)
83.1%2024 5-year
Black
1.8%2024 5-year
Hispanic / Latino
12.7%2024 5-year
Peak Democratic margin
D+23 in 1912MIT Election Lab
Peak Republican margin
R+46 in 2024MIT 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).
YearWonMarginDemocraticRepublicanTotal
R
−45.7%
10,40028,50939,669
R
−43.3%
11,07828,62540,521
R
−44.7%
8,92025,11936,204
R
−34.4%
11,16923,27135,198
R
−17.5%
14,78221,16936,400
R
−42.1%
9,33723,11332,692
R
−35.1%
9,26519,60529,495
R
−19.1%
9,60814,91827,791
R
−18.4%
8,33513,57628,459
R
−37.3%
8,08117,77625,972
R
−39.2%
7,96418,39426,597
R
−26.5%
9,10516,44327,697
R
−14.7%
11,14215,06126,648
R
−36.7%
7,86817,06625,076
R
−19.0%
8,94713,71825,047
D
+8.3%
13,59011,49725,239
R
−24.3%
9,68915,97525,822
R
−34.8%
7,65315,87923,661
R
−31.7%
7,69915,04523,159
R
−14.9%
8,68511,80520,874
R
−23.0%
8,05112,93621,209
R
−17.3%
9,11212,94922,210
D
+2.4%
10,52910,03520,927
D
+9.6%
11,0969,11720,637
R
−27.1%
6,69311,70718,514
R
−20.1%
6,3779,81317,087
R
−21.8%
6,79510,77718,282
R
−2.1%
5,0615,29410,860
D
+23.3%
4,4612,11310,079
R
−3.1%
5,1875,52811,116
R
−13.1%
4,3785,77110,617
R
−3.3%
4,8515,18710,324
R
−4.2%
4,9275,36910,426
D
+0.2%
4,3744,3529,184
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
24.3%
English
10.5%
Irish
7.9%
American
6.7%
French
2.1%
Polish
2.1%
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: 38.4 in this county, 39.1 nationally
Male
Age
Female
0.6%
85+
1.1%
2.2%
75–84
2.7%
5.0%
65–74
5.2%
6.6%
55–64
6.3%
6.0%
45–54
5.9%
6.2%
35–44
5.9%
6.3%
25–34
6.2%
4.4%
18–24
4.1%
9.4%
5–17
9.1%
3.3%
<5
3.3%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$72,063
State House District 18 ranks near the middle of US counties.
State House District 18$72,063
Indiana$71,957
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
10.5%
Child poverty is below the national average.
Children under 1814.5%
Working age (18–64)9.1%
Seniors (65+)8.8%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
84.3%
speak English only
Spanish9.5%
Other Indo-European5.2%
Other languages0.6%
Asian & Pacific Islander0.3%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
14.0%
Catholic & Orthodox
7.7%
Mainline Protestant
4.9%
Methodist
4.2%
Pentecostal & Holiness
3.7%
Baptist
1.7%
Non-Christian
0.2%
Source · 2020 US Religion Census. Remaining 63.7% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of R+53.9, this district ranks among the most heavily one-sided state house seats in Indiana, suggesting a rural or small-town electorate with deeply uniform partisan preferences.

The Republican margin in Indiana 18th State House District reached its widest at forty-six points in 2024. The margin in 2024 was forty-six points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $72,063, a 83% non-Hispanic-white share, and a population of 98,857 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 House District 18, Indiana. Akashic. https://akashic.app/sld-lower/18018/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State House District 18, Indiana vote in 2024?
In 2024, State House District 18, Indiana voted Republican by 45.7 points (R+46), carried by the Republican candidate. Out of 39,669 votes cast, 10,400 went Democratic and 28,509 went Republican.
What is State House District 18, Indiana's political archetype?
Akashic classifies State House District 18, Indiana as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 5 times, Republican 29 times, and other 0 times.
When did State House District 18, Indiana last vote Democratic?
The most recent presidential election in which State House District 18, Indiana voted Democratic was 1964.
How many people live in State House District 18, Indiana?
State House District 18, Indiana has a population of 98,857 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State House District 18, Indiana?
Median household income in State House District 18, Indiana is $72,063 — below the national median of $80,734. The Indiana state median is $71,957.
What is the political history of State House District 18, Indiana?
Akashic tracks 38 presidential elections in State House District 18, Indiana from 1876 to 2024. Of those, 5 went Democratic and 29 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.