† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
1 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
GroupRock Springs, WYWyomingUnited States
English18.6%15.7%9.5%
German12.8%21.5%12.5%
Irish8.6%11.7%9.4%
American5.1%5.0%5.3%
Italian4.2%2.8%4.8%
Norwegian2.7%3.0%—
Scottish2.6%3.2%1.3%
Swedish1.8%2.1%—
Mexican13.8%8.0%11.3%
Puerto Rican0.6%0.3%1.8%
Spaniard0.6%0.4%—
Spanish0.5%0.6%—
Venezuelan0.4%——
Guatemalan0.3%—0.5%
African American†0.9%—9.9%
Senegalese0.2%——
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
Rock Springs, WY
Wyoming
United States
Median age
37.9
39.4
39.1
Age 18–24
8.8%
8.9%
9.2%
Age 65 and older
14.7%
18.5%
17.2%
Household economy
Measure
Rock Springs, WY
Wyoming
United States
Median household income
$75,034
$76,176
$84,427
Poverty rate
12.9%
10.6%
12.5%
Bachelor's degree or higher (25+)
20.9%
30.7%
35.6%
Languages at home
Measure
Rock Springs, WY
Wyoming
United States
Speaks a non-English language at home
8.8%
6.8%
22.3%
Spanish
7.8%
4.8%
13.6%
Religious landscape
Measure
Rock Springs, WY
Wyoming
United States
Catholic
21.1%
12.0%
18.6%
Evangelical Protestant
6.7%
11.2%
16.5%
Unclaimed / not counted
54.9%
59.7%
51.5%
Latter-day Saints
14.7%
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.
Rock Springs, WY
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−47.0%
1896
+13.5%
1900
−19.6%
1904
−48.9%
1908
−29.8%
1912
+1.1%
1916
+7.1%
1920
−16.4%
1924
+2.0%
1928
+8.0%
1932
+37.1%
1936
+54.8%
1940
+46.2%
1944
+36.2%
1948
+32.3%
1952
+23.9%
1956
+17.2%
1960
+35.9%
1964
+50.9%
1968
+18.3%
1972
−16.4%
1976
+6.0%
1980
−12.7%
1984
−22.4%
1988
−0.4%
1992
+13.0%
1996
+9.6%
2000
−24.9%
2004
−33.5%
2008
−27.5%
2012
−39.4%
2016
−52.1%
2020
−50.6%
2024
−52.8%
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
22.3%Harris3,731
75.1%Trump12,541
1.8%Oliver297 +1
R+52.8
R+2.1
R+51.3
16,698
All 4 candidates in 2024 · 2 minor / independent
Donald J TrumpRepublican75.1%12,541
Kamala D HarrisDemocratic22.3%3,731
Chase OliverLibertarian1.8%297
OtherAll other candidates0.8%129
R
23.0%Biden3,823
73.7%Trump12,229
3.3%
R+50.6
D+1.5
R+55.1
16,603
R
18.9%Clinton3,231
71.0%Trump12,154
10.2%
R+52.1
R+12.7
R+54.2
17,130
R
28.3%Obama4,774
67.6%Romney11,428
4.1%
R+39.4
R+11.9
R+43.2
16,895
R
34.5%Obama5,762
62.0%McCain10,360
3.5%
R+27.5
D+5.9
R+34.8
16,703
R
32.0%Kerry5,208
65.5%Bush10,653
2.5%
R+33.5
R+8.6
R+31.0
16,272
R
35.2%Gore5,521
60.1%Bush9,425
4.7%
R+24.9
R+34.5
R+25.4
15,691
D
45.3%Clinton7,088
35.8%Dole5,591
18.9%
D+9.6
R+3.4
D+1.1
15,634
D
43.0%Clinton6,417
30.0%Bush4,476
26.9%
D+13.0
D+13.5
D+7.5
14,910
R
49.0%Dukakis6,720
49.5%Bush6,780
1.5%
R+0.4
D+22.0
D+7.3
13,705
R
38.1%Mondale5,230
60.6%Reagan8,308
1.3%
R+22.4
R+9.7
R+4.2
13,712
R
39.2%Carter4,728
51.9%Reagan6,265
8.9%
R+12.7
R+18.8
R+3.0
12,067
D
52.7%Carter5,575
46.7%Ford4,937
0.6%
D+6.0
D+22.4
D+4.0
10,574
R
41.6%McGovern3,713
58.0%Nixon5,175
0.3%
R+16.4
R+34.7
D+6.8
8,915
D
54.9%Humphrey4,086
36.6%Nixon2,726
8.6%
D+18.3
R+32.6
D+19.0
7,449
D
75.4%Johnson5,969
24.6%Goldwater1,944
0.0%
D+50.9
D+14.9
D+28.3
7,913
D
68.0%Kennedy5,398
32.0%Nixon2,545
0.0%
D+35.9
D+18.7
D+35.8
7,943
D
58.6%Stevenson4,747
41.4%Eisenhower3,355
0.0%
D+17.2
R+6.7
D+32.6
8,102
D
61.9%Stevenson5,807
38.1%Eisenhower3,567
0.0%
D+23.9
R+8.4
D+34.7
9,374
D
63.6%Truman5,146
31.4%Dewey2,538
5.0%
D+32.3
R+3.9
D+27.8
8,085
D
68.1%Roosevelt5,599
31.9%Dewey2,623
0.0%
D+36.2
R+10.0
D+28.7
8,222
D
73.0%Roosevelt6,637
26.8%Willkie2,439
0.2%
D+46.2
R+8.6
D+36.2
9,094
D
77.0%Roosevelt6,232
22.2%Landon1,797
0.8%
D+54.8
D+17.6
D+30.5
8,097
D
66.4%Roosevelt4,637
29.3%Hoover2,043
4.3%
D+37.1
D+29.2
D+19.4
6,983
D
53.1%Smith2,974
45.2%Hoover2,528
1.7%
D+8.0
D+6.0
D+25.4
5,599
D
44.2%Davis2,219
42.2%Coolidge2,119
13.7%
D+2.0
D+18.4
D+27.2
5,026
R
37.8%Cox1,216
54.1%Harding1,744
8.1%
R+16.4
R+23.5
D+9.8
3,221
D
50.9%Wilson1,496
43.8%Hughes1,287
5.3%
D+7.1
D+6.0
D+4.0
2,939
D
36.9%Wilson916
35.8%Taft888
27.3%
D+1.1
D+30.9
R+18.4
2,483
R
28.7%Bryan637
58.5%Taft1,299
12.8%
R+29.8
D+19.1
R+20.3
2,221
R
22.5%Parker464
71.4%Roosevelt1,473
6.2%
R+48.9
R+29.3
R+29.2
2,064
R
40.2%Bryan740
59.8%McKinley1,101
0.0%
R+19.6
R+33.2
R+12.1
1,841
D
55.7%Bryan996
42.2%McKinley754
2.1%
D+13.5
D+60.6
D+19.6
1,787
O
0.0%Cleveland0
47.0%Harrison674
53.0%
Weaver +5.9
—
R+48.7
1,433
Congressional elections · 3 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2024
R
21.7%3,550
77.8%12,724
16,351
2020
R
23.8%3,877
75.9%12,351
16,274
2018
R
30.4%3,943
66.1%8,577
12,973
voter registration
Registered voters
By party of registration, over time
Party registration · 2026R+61.2
vs
Presidential vote · 2024R+52.8
Registration leans Republican; the presidential vote runs 8.4 points more Republican.
Domestic migration in Rock Springs, WY in Rock Springs, WY: net domestic migration by year
Year
Net domestic migration
2011
+65
2012
+702
2013
−279
2014
−547
2015
−648
2016
−830
2017
−1,058
2018
−831
2019
−750
2021
−631
2022
−313
2023
−169
2024
−124
2025
−167
Sweetwater County anchors Wyoming's trona and natural gas economy, and its working-class extraction workforce has driven double-digit Republican margins in recent cycles while keeping union-adjacent labor issues on the local agenda.
Across the recorded series it reached a Democratic high of 54.8 points in 1936 and a Republican high of 52.8 points in 2024. Between 2020 and 2024 the metro moved 2.1 points toward the Republican candidate; the 2024 margin was 52.8 points.
A population of 41,542, a 77% non-Hispanic-white share, and a median household income of $75,034 describe the metro. The metro's voting pattern over the last decade is most similar to that of Winnemucca, NV and Fallon, NV.
Akashic
Political twins — metros
The metros 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 →
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Rock Springs, WY, Wyoming. Akashic. https://akashic.app/cbsa/40540/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Rock Springs, WY, Wyoming voted Republican by 52.8 points (R+52.8), carried by the Republican candidate. Out of 16,698 votes cast, 3,731 went Democratic and 12,541 went Republican.
When did Rock Springs, WY, Wyoming last vote Democratic?
The most recent presidential election in which Rock Springs, WY, Wyoming voted Democratic was 1996.
How many people live in Rock Springs, WY, Wyoming?
Rock Springs, WY, Wyoming has a population of 41,542 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Rock Springs, WY, Wyoming?
Median household income in Rock Springs, WY, Wyoming is $75,034 — below the national median of $80,734. The Wyoming state median is $76,176.
What is the political history of Rock Springs, WY, Wyoming?
Akashic tracks 34 presidential elections in Rock Springs, WY, Wyoming from 1892 to 2024. Of those, 18 went Democratic and 15 went Republican.
