† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
5 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupCasper-RivertonWyomingUnited States
German22.8%21.5%12.5%
English13.8%15.7%9.5%
Irish12.1%11.7%9.4%
American4.7%5.0%5.3%
Scottish3.0%3.2%1.3%
Norwegian3.0%3.0%—
French2.5%—1.6%
Italian1.7%2.8%4.8%
Mexican6.8%8.0%11.3%
Spanish0.7%0.6%—
Spaniard0.4%0.4%—
Puerto Rican0.2%0.3%1.8%
White Mountain Apache0.2%——
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Casper-Riverton
Wyoming
United States
Median age
39.6
39.4
39.1
Age 18–24
7.7%
8.9%
9.2%
Age 65 and older
18.7%
18.5%
17.2%
Household economy
Measure
Casper-Riverton
Wyoming
United States
Median household income
$70,389
$76,176
$84,427
Poverty rate
10.7%
10.6%
12.5%
Bachelor's degree or higher (25+)
26.9%
30.7%
35.6%
Languages at home
Measure
Casper-Riverton
Wyoming
United States
Speaks a non-English language at home
5.1%
6.8%
22.3%
Spanish
2.9%
4.8%
13.6%
Religious landscape
Measure
Casper-Riverton
Wyoming
United States
Catholic
10.7%
12.0%
18.6%
Evangelical Protestant
15.6%
11.2%
16.5%
Unclaimed / not counted
60.3%
59.7%
51.5%
Latter-day Saints
8.1%
11.6%
2.0%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Casper-Riverton, Wyoming
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−54.6%
1896
−7.1%
1900
−29.7%
1904
−37.5%
1908
−21.5%
1912
−1.2%
1916
+13.4%
1920
−37.9%
1924
−27.6%
1928
−29.2%
1932
+19.7%
1936
+22.9%
1940
−2.3%
1944
−10.1%
1948
+0.4%
1952
−34.9%
1956
−29.3%
1960
−16.8%
1964
+5.0%
1968
−27.7%
1972
−42.4%
1976
−23.2%
1980
−39.5%
1984
−44.3%
1988
−23.8%
1992
−4.2%
1996
−12.6%
2000
−40.7%
2004
−39.9%
2008
−36.2%
2012
−42.6%
2016
−51.6%
2020
−48.4%
2024
−49.2%
DemocraticRepublican
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
24.1%Harris15,505
73.3%Trump47,186
1.7%Oliver1,083 +1
R+49.2
R+0.7
R+47.7
64,413
All 4 candidates in 2024 · 2 minor / independent
Donald J TrumpRepublican73.3%47,186
Kamala D HarrisDemocratic24.1%15,505
Chase OliverLibertarian1.7%1,083
OtherAll other candidates1.0%639
R
24.0%Biden16,043
72.4%Trump48,439
3.6%
R+48.4
D+3.1
R+52.9
66,872
R
19.5%Clinton12,377
71.1%Trump45,089
9.4%
R+51.6
R+9.0
R+53.7
63,425
R
26.9%Obama16,700
69.5%Romney43,159
3.6%
R+42.6
R+6.4
R+46.5
62,114
R
30.5%Obama19,532
66.8%McCain42,701
2.7%
R+36.2
D+3.7
R+43.5
63,945
R
29.1%Kerry17,863
69.0%Bush42,400
2.0%
R+39.9
D+0.8
R+37.5
61,483
R
27.5%Gore15,244
68.2%Bush37,789
4.3%
R+40.7
R+28.1
R+41.2
55,410
R
37.0%Clinton20,189
49.6%Dole27,036
13.4%
R+12.6
R+8.3
R+21.1
54,552
R
33.9%Clinton17,747
38.1%Bush19,961
28.1%
R+4.2
D+19.6
R+9.8
52,428
R
37.4%Dukakis17,466
61.3%Bush28,599
1.3%
R+23.8
D+20.4
R+16.1
46,683
R
27.2%Mondale14,138
71.5%Reagan37,103
1.2%
R+44.3
R+4.7
R+26.0
51,885
R
25.7%Carter13,030
65.2%Reagan33,101
9.1%
R+39.5
R+16.3
R+29.8
50,756
R
38.0%Carter16,339
61.2%Ford26,307
0.7%
R+23.2
D+19.2
R+25.3
42,951
R
28.7%McGovern11,958
71.1%Nixon29,602
0.2%
R+42.4
R+14.6
R+19.2
41,644
R
31.1%Humphrey11,138
58.9%Nixon21,065
10.0%
R+27.7
R+32.7
R+27.0
35,782
D
52.5%Johnson21,477
47.5%Goldwater19,444
0.0%
D+5.0
D+21.8
R+17.6
40,921
R
41.6%Kennedy16,661
58.4%Nixon23,393
0.0%
R+16.8
D+12.5
R+17.0
40,054
R
35.4%Stevenson11,748
64.6%Eisenhower21,466
0.0%
R+29.3
D+5.6
R+13.9
33,214
R
32.5%Stevenson10,768
67.4%Eisenhower22,321
0.2%
R+34.9
R+35.2
R+24.1
33,139
D
49.8%Truman11,977
49.5%Dewey11,890
0.7%
D+0.4
D+10.5
R+4.1
24,035
R
44.9%Roosevelt9,792
55.1%Dewey11,997
0.0%
R+10.1
R+7.8
R+17.6
21,789
R
48.7%Roosevelt12,620
51.0%Willkie13,225
0.3%
R+2.3
R+25.2
R+12.3
25,915
D
60.2%Roosevelt15,036
37.4%Landon9,329
2.4%
D+22.9
D+3.1
R+1.4
24,973
D
58.4%Roosevelt13,724
38.7%Hoover9,086
2.9%
D+19.7
D+48.9
D+2.0
23,488
R
35.1%Smith7,444
64.2%Hoover13,634
0.7%
R+29.2
R+1.5
R+11.7
21,225
R
29.6%Davis7,114
57.2%Coolidge13,746
13.1%
R+27.6
D+10.3
R+2.4
24,016
R
28.8%Cox3,688
66.7%Harding8,533
4.4%
R+37.9
R+51.3
R+11.7
12,784
D
55.1%Wilson5,223
41.7%Hughes3,952
3.2%
D+13.4
D+14.6
D+10.3
9,477
R
35.3%Wilson2,440
36.4%Taft2,522
28.3%
R+1.2
D+20.3
R+20.7
6,921
R
38.2%Bryan2,367
59.7%Taft3,703
2.2%
R+21.5
D+15.9
R+12.0
6,204
R
30.6%Parker1,278
68.0%Roosevelt2,845
1.4%
R+37.5
R+7.8
R+17.8
4,183
R
35.2%Bryan1,212
64.8%McKinley2,234
0.0%
R+29.7
R+22.5
R+22.1
3,446
R
46.0%Bryan1,309
53.2%McKinley1,512
0.8%
R+7.1
D+47.4
R+1.1
2,843
R
0.0%Cleveland0
54.6%Harrison1,336
45.4%
R+54.6
—
R+56.2
2,448
voter registration
Registered voters
By party of registration, over time
Party registration · 2026R+70.8
vs
Presidential vote · 2024R+49.2
Registration leans Republican; the presidential vote runs 22 points more Republican.
Domestic migration in Casper-Riverton in Casper-Riverton: net domestic migration by year
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.
Akashic
Political twins — media markets
The media markets whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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.
License: CC BY 4.0
Embed this page
A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →
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.
