HarrisDemocratic24.1%15,505TrumpRepublican73.3%47,186OliverLibertarian1.7%1,083
R+49.2- Lead
- 31,681
- Total
- 64,413
- vs nation
- R+47.7
Akashicmedia market
Casper-Riverton
Office (updates table and map)
President margin by year
Place winner margin
5 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic24.0%16,043TrumpRepublican72.4%48,439OtherAll other candidates3.6%2,390
R+48.4- Lead
- 32,396
- Total
- 66,872
- vs nation
- R+52.9
ClintonDemocratic19.5%12,377TrumpRepublican71.1%45,089OtherAll other candidates9.4%5,959
R+51.6- Lead
- 32,712
- Total
- 63,425
- vs nation
- R+53.7
ObamaDemocratic26.9%16,700RomneyRepublican69.5%43,159OtherAll other candidates3.6%2,255
R+42.6- Lead
- 26,459
- Total
- 62,114
- vs nation
- R+46.5
ObamaDemocratic30.5%19,532McCainRepublican66.8%42,701OtherAll other candidates2.7%1,712
R+36.2- Lead
- 23,169
- Total
- 63,945
- vs nation
- R+43.5
KerryDemocratic29.1%17,863BushRepublican69.0%42,400OtherAll other candidates2.0%1,220
R+39.9- Lead
- 24,537
- Total
- 61,483
- vs nation
- R+37.5
GoreDemocratic27.5%15,244BushRepublican68.2%37,789OtherAll other candidates4.3%2,377
R+40.7- Lead
- 22,545
- Total
- 55,410
- vs nation
- R+41.2
ClintonDemocratic37.0%20,189DoleRepublican49.6%27,036OtherAll other candidates13.4%7,327
R+12.6- Lead
- 6,847
- Total
- 54,552
- vs nation
- R+21.1
Key facts
- 2024 presidential margin
- R+49.2MIT Election Lab
- Population
- 145,5952024 5-year
- Population density
- 6.3 / sq mi2024 5-year · TIGER/Line
- Land area
- 23,022 sq miTIGER/Line
- Median household income
- $70,3892024 5-year
- White (non-Hispanic)
- 80.5%2024 5-year
- Black
- 0.5%2024 5-year
- Hispanic / Latino
- 8.7%2024 5-year
- Peak Democratic margin
- D+22.9 in 1936MIT Election Lab
- Peak Republican margin
- R+54.6 in 1892MIT Election Lab
- Most similar
- North Platte, NE · twin score 90.8
presidential history
Party record book
Casper-Riverton · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1936
60.2%
15,036 votes · D+22.9
Runner-up · Franklin D. Roosevelt, 1932 · 58.4%
Republican
Donald Trump2024
73.3%
47,186 votes · R+49.2
Runner-up · Donald Trump, 2020 · 72.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
21,477votes
52.5% of the vote · D+5.0
Runner-up · Bill Clinton, 1996 · 20,189 votes
Republican
Donald Trump2020
48,439votes
72.4% of the vote · R+48.4
Runner-up · Donald Trump, 2024 · 47,186 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Woodrow Wilson1916
+10.3pts D vs U.S.
Place D+13.4 · U.S. D+3.1
Runner-up · Franklin D. Roosevelt, 1932 · +2.0 pts
Republican
Benjamin Harrison1892
+56.2pts R vs U.S.
Place R+54.6 · U.S. D+1.7
Runner-up · Donald Trump, 2016 · +53.7 pts
U.S. House elections · 2 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 22.5%13,098 | 77.5%45,159 | 58,257 |
| 2020 | R | 23.9%14,489 | 76.1%46,115 | 60,604 |
voter registration
Registered voters
By party of registration, over time
Party registration · 2026R+70.8
Presidential vote · 2024R+49.2
Registration leans Republican; the presidential vote runs 22 points more Democratic than the rolls.
64,755 registered voters · 2026
domestic migration
Who moves in and out
Net domestic migration over time
+352 net domestic migration · 2025
20112025
Net −1,417 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | +441 |
| 2012 | +2,183 |
| 2013 | +2,080 |
| 2014 | −1,181 |
| 2015 | −294 |
| 2016 | −2,240 |
| 2017 | −2,772 |
| 2018 | −1,491 |
| 2019 | −19 |
| 2021 | −202 |
| 2022 | +583 |
| 2023 | +894 |
| 2024 | +249 |
| 2025 | +352 |
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.
Across the recorded series it reached a Democratic high of 22.9 points in 1936 and a Republican high of 54.6 points in 1892. Between 2020 and 2024 the market moved 0.7 points toward the Republican candidate; the 2024 margin was 49.2 points.
A population of 145,595, a 81% non-Hispanic-white share, and a median household income of $70,389 describe the market. The market's voting pattern over the last decade is most similar to that of North Platte and Cheyenne-Scottsbluff.
Political twins — media markets
The media markets whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
North Platte
Nebraska
90.8twin score
2004–2016 trajectory≠ % unaffiliated
Cheyenne-Scottsbluff
Wyoming
89.7twin score
2000–2008 trajectorypopulation scale≠ elasticity
Panama City
Florida
88.8twin score
2004–2020 trajectory≠ German ancestry
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.
Casper-Riverton, Wyoming. Akashic. https://akashic.app/dma/767/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Casper-Riverton
Frequently asked questions
How did Casper-Riverton, Wyoming vote in 2024?
In 2024, Casper-Riverton, Wyoming voted Republican by 49.2 points (R+49.2), carried by the Republican candidate. Out of 64,413 votes cast, 15,505 went Democratic and 47,186 went Republican.
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 34 presidential elections in Casper-Riverton, Wyoming from 1892 to 2024. Of those, 5 went Democratic and 29 went Republican.