Akashic
1892–2024
Akashic
Utah 66th State House District
presidential margin
2008R+55.92012R+78.92016R+55.82020R+71.32024R+70.6
full record · 2008 → 2024
R+70.6
2024
median income$78,001U.S. $80,734 · UT $95,166
median age32.6U.S. 39.1 · UT 32.2
poverty rate12.4%U.S. 12.5% · UT 8.5%
bachelor’s+ (25+)41.2%U.S. 35.6% · UT 37.9%
non-english15.2%U.S. 22.3% · UT 15.9%
race · ethnicity · ancestry
English36.1%
German10.6%
Danish6.2%
Mexican5.5%
Peruvian0.4%
Argentinean0.3%
Tongan1.5%
Navajo1.0%
Aztec1.0%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Sanpete County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

Utah 66th State House District

Akashic
Utah 66th State House DistrictTrumpR+70.6
2024
2024 presidential margin for Utah 66th State House DistrictThe boundary of Utah 66th State House District, filled by its 2024 presidential margin (R+70.6), over faint outlines of the counties it is drawn from.Utah 66th State House District · R+70.6
How it voted
Share of the 2024 vote
Donald Trump ✓Republican84.0%16,972
Kamala HarrisDemocratic13.4%2,716
Chase OliverLibertarian2.5%508
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 3 counties it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (3 counties) — table
2024 presidential result by county for Utah 66th State House District — winner and D-vs-R margin.
CountyWinnerMargin
Juab County, UTRepublicanR+75.7
Sanpete County, UTRepublicanR+67.6
Utah County, UTRepublicanR+39.8
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
13.4%Harris2,716
84.0%Trump16,972
2.5%Oliver508
−70.6%
20,196
R
13.2%Biden2,529
84.4%Trump16,203
2.4%Jorgensen458
−71.3%
19,190
R
10.4%Clinton1,556
66.2%Trump9,883
23.4%McMullin3,485
−55.8%
14,924
R
10.5%Obama1,455
89.5%Romney12,345
0.0%
−78.9%
13,800
R
19.1%Obama2,482
75.0%McCain9,744
5.9%Baldwin770
−55.9%
12,996
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: −70.6% in 2024.−70.6%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−55.9%
2012−78.9%
2016−55.8%
2020−71.3%
2024−70.6%
DemocraticRepublican
current representation
Current officeholders
RTroy ShelleyState House · 66

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

With a 2024 presidential margin exceeding 70 points Republican, this rural Utah district ranks among the state's most one-sided, leaving general-election competition virtually absent and primaries as the decisive contest.

Across the recorded series it reached a Republican high of 78.9 points in 2012. Between 2020 and 2024 the district moved 0.7 points toward the Democratic candidate; the 2024 margin was 70.6 points.

A population of 42,005, a 88% non-Hispanic-white share, and a median household income of $78,001 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 65 and State House District 64.

Political twins — state-house districts

The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

State House District 65
Utah
98.3twin score
2008–2024 trajectory
State House District 64
Utah
96.9twin score
2008–2012 trajectory% unaffiliatedmedian age≠ 12-yr trend
State House District 12
Utah
95.8twin score
2008–2020 trajectoryelasticity≠ median age

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

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.
Utah 66th State House District. Akashic. https://akashic.app/sld-lower/49066/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Utah 66th State House District

counties it covers3
Juab CountySanpete CountyUtah County

Frequently asked questions

How did Utah 66th State House District vote in 2024?
In 2024, Utah 66th State House District voted Republican by 70.6 points (R+70.6), carried by the Republican candidate. Out of 20,196 votes cast, 2,716 went Democratic and 16,972 went Republican.
How many people live in Utah 66th State House District?
Utah 66th State House District has a population of 42,005 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Utah 66th State House District?
Median household income in Utah 66th State House District is $78,001 — below the national median of $80,734. The Utah state median is $95,166.
What is the political history of Utah 66th State House District?
Akashic tracks 5 presidential elections in Utah 66th State House District from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican.