akashic
1876–2024
State House District 66·Indiana

Indiana 66th State House District has voted Republican in seven straight presidential cycles.

One of Indiana's most decisive presidential margins in 2024

1876 — 2024·38 elections
IN
Latest
R+24
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
106,951
2024 ACS

Indiana 66th State House District, Indiana: Republican loyalist district. In 2024, voted R+24%. Democratic peak: D+36 in 1964.

Key facts

2024 presidential margin
R+24MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
106,9512024 5-year
Median household income
$71,8472024 5-year
White (non-Hispanic)
83.6%2024 5-year
Black
6.3%2024 5-year
Hispanic / Latino
6.3%2024 5-year
Peak Democratic margin
D+36 in 1964MIT Election Lab
Peak Republican margin
R+24 in 2016MIT Election Lab
2024 results by constituent county
5 counties · 0 D · 5 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
−24.0%
18,37630,30649,721
R
−21.6%
18,77229,39749,084
R
−23.7%
15,55825,97843,999
R
−9.5%
17,87621,72140,476
R
−6.5%
18,91921,58040,926
R
−15.9%
15,40521,25136,840
R
−5.1%
15,23916,89332,654
D
+10.0%
15,55312,43731,298
D
+11.6%
15,45211,69532,387
R
−6.4%
12,94714,71827,777
R
−15.1%
12,65917,19530,059
R
−3.8%
12,85413,93428,117
D
+13.8%
15,04311,35826,703
R
−18.7%
9,83914,41524,411
D
+3.1%
10,3789,62724,270
D
+36.2%
15,5987,27422,979
D
+3.8%
12,71211,78924,569
R
−3.8%
10,70911,55822,342
D
+0.2%
10,53510,48421,144
D
+17.7%
10,0917,02717,321
D
+10.6%
9,0127,26916,369
D
+14.3%
8,5306,38914,965
D
+23.2%
9,3595,80315,360
D
+20.2%
8,7785,80514,736
R
−12.4%
5,8237,48013,345
R
−5.1%
5,2575,84311,421
R
−0.1%
6,3796,39012,928
D
+5.8%
3,4893,0976,729
D
+34.3%
3,2569826,632
D
+4.6%
3,9733,6177,782
R
−1.0%
3,5143,5917,357
D
+3.2%
3,9873,7357,810
R
−0.6%
3,7423,7897,604
D
+8.2%
3,8023,2117,167
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
18.5%
English
13.7%
Irish
12.6%
American
6.8%
Italian
2.6%
Scottish
2.4%
Polish
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: 40.1 in this county, 39.1 nationally
Male
Age
Female
0.6%
85+
1.1%
2.0%
75–84
2.9%
4.8%
65–74
5.6%
6.5%
55–64
6.8%
6.5%
45–54
6.3%
6.7%
35–44
6.7%
6.9%
25–34
7.0%
3.8%
18–24
3.8%
8.2%
5–17
8.0%
3.0%
<5
2.8%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$71,847
State House District 66 ranks near the middle of US counties.
State House District 66$71,847
Indiana$71,957
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.0%
Child poverty is below the national average.
Children under 1812.8%
Working age (18–64)10.5%
Seniors (65+)10.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
94.3%
speak English only
Spanish4.1%
Other Indo-European0.9%
Asian & Pacific Islander0.5%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
17.1%
Catholic & Orthodox
6.6%
Baptist
6.4%
Methodist
2.6%
Mainline Protestant
1.1%
Pentecostal & Holiness
1.1%
Non-Christian
0.9%
Source · 2020 US Religion Census. Remaining 64.1% of residents not counted as adherents by any reporting body.

District 66 recorded a 40-point Republican presidential margin in 2024, placing it among Indiana's most heavily one-sided state house seats. Its population of roughly 68,000 reflects a typical rural or small-town Hoosier district profile.

The Republican margin in Indiana 66th State House District reached its widest at twenty-four points in 2024. The margin in 2024 was twenty-four points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $71,847, a 84% non-Hispanic-white share, and a population of 106,951 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 66, Indiana. Akashic. https://akashic.app/sld-lower/18066/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State House District 66, Indiana vote in 2024?
In 2024, State House District 66, Indiana voted Republican by 24.0 points (R+24), carried by the Republican candidate. Out of 49,721 votes cast, 18,376 went Democratic and 30,306 went Republican.
What is State House District 66, Indiana's political archetype?
Akashic classifies State House District 66, 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 17 times, Republican 17 times, and other 0 times.
When did State House District 66, Indiana last vote Democratic?
The most recent presidential election in which State House District 66, Indiana voted Democratic was 1996.
How many people live in State House District 66, Indiana?
State House District 66, Indiana has a population of 106,951 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 66, Indiana?
Median household income in State House District 66, Indiana is $71,847 — below the national median of $80,734. The Indiana state median is $71,957.
What is the political history of State House District 66, Indiana?
Akashic tracks 38 presidential elections in State House District 66, Indiana from 1876 to 2024. Of those, 17 went Democratic and 17 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.