akashic
1876–2024
Casper-Riverton·Wyoming

Casper-Riverton was solidly Democratic for decades. In the last twenty years, it flipped.

Wyoming's oil-patch heartland, where energy votes drive statewide margins

18762024·38 elections
WY
Latest
R+49
in 2024
Archetype
Populist
since the recent cycles
Population
145,595
2024 ACS

Casper-Riverton, Wyoming: Populist market. In 2024, voted R+49%. Republican peak: R+55 in 1892.

Key facts

2024 presidential margin
R+49MIT Election Lab
Political archetype
PopulistAkashic typology
Population
145,5952024 5-year
Median household income
$70,3892024 5-year
White (non-Hispanic)
83.8%2024 5-year
Black
0.5%2024 5-year
Hispanic / Latino
8.7%2024 5-year
Peak Democratic margin
D+23 in 1936MIT Election Lab
Peak Republican margin
R+55 in 1892MIT Election Lab
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.
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−49.2%
15,50547,18664,413
R
−48.4%
16,04348,43966,872
R
−51.6%
12,37745,08963,425
R
−42.6%
16,70043,15962,114
R
−36.2%
19,53242,70163,945
R
−39.9%
17,86342,40061,483
R
−40.7%
15,24437,78955,410
R
−12.6%
20,18927,03654,552
R
−4.2%
17,74719,96152,428
R
−23.8%
17,46628,59946,683
R
−44.3%
14,13837,10351,885
R
−39.5%
13,03033,10150,756
R
−23.2%
16,33926,30742,951
R
−42.4%
11,95829,60241,644
R
−27.7%
11,13821,06535,782
D
+5.0%
21,47719,44440,921
R
−16.8%
16,66123,39340,054
R
−29.3%
11,74821,46633,214
R
−34.9%
10,76822,32133,139
D
+0.4%
11,97711,89024,035
R
−10.1%
9,79211,99721,789
R
−2.3%
12,62013,22525,915
D
+22.9%
15,0369,32924,973
D
+19.7%
13,7249,08623,488
R
−29.2%
7,44413,63421,225
R
−27.6%
7,11413,74624,016
R
−37.9%
3,6888,53312,784
D
+13.4%
5,2233,9529,477
R
−1.2%
2,4402,5226,921
R
−21.5%
2,3673,7036,204
R
−37.5%
1,2782,8454,183
R
−29.7%
1,2122,2343,446
R
−7.1%
1,3091,5122,843
R
−54.6%
01,3362,448
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
22.8%
English
13.8%
Irish
12.1%
American
4.7%
Scottish
3.2%
French
2.6%
Italian
2.4%
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
94.9%
speak English only
Spanish2.9%
Other Indo-European1.0%
Other languages0.9%
Asian & Pacific Islander0.4%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
16.2%
Catholic & Orthodox
10.8%
Baptist
4.0%
Pentecostal & Holiness
3.9%
Mainline Protestant
3.5%
Methodist
1.2%
Non-Christian
0.1%
Source · 2020 US Religion Census. Remaining 60.3% of residents not counted as adherents by any reporting body.

Covering most of Wyoming's interior, the Casper-Riverton market anchors the state's petroleum and natural gas economy. Voters here have delivered some of the nation's widest Republican presidential margins over the past two decades.

The Democratic margin in Casper-Riverton peaked at twenty-three points in 1936. By 1968 the market had flipped, voting Republican for the first time in many years. The 2024 margin was forty-nine points, the most Republican-leaning result in the market's modern history.

The economic context is the key. The median household income of $70,389 sits well below state and national norms, and 11% of residents live below the federal poverty line. The shift here is part of a broader realignment of working-class places across the country.

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Casper-Riverton, Wyoming — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/dma/767/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Casper-Riverton, Wyoming vote in 2024?
In 2024, Casper-Riverton, Wyoming voted Republican by 49.2 points (R+49), carried by the Republican candidate. Out of 64,413 votes cast, 15,505 went Democratic and 47,186 went Republican.
What is Casper-Riverton, Wyoming's political archetype?
Akashic classifies Casper-Riverton, Wyoming as a "Populist" market based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the market has voted Democratic 5 times, Republican 29 times, and other 0 times.
When did Casper-Riverton, Wyoming last vote Democratic?
The most recent presidential election in which Casper-Riverton, Wyoming voted Democratic was 1964.
How many people live in Casper-Riverton, Wyoming?
Casper-Riverton, Wyoming has a population of 145,595 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Casper-Riverton, Wyoming?
Median household income in Casper-Riverton, Wyoming is $70,389 — below the national median of $80,734. The Wyoming state median is $76,176.
What is the political history of Casper-Riverton, Wyoming?
Akashic tracks 38 presidential elections in Casper-Riverton, Wyoming from 1876 to 2024. Of those, 5 went Democratic and 29 went Republican. The market's archetype — "Populist" — captures the overall trajectory of that voting record.