Boundary by 2024 margin · Precinct returns · VEST · 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
GroupSheridan CountyMontanaUnited States
German22.4%22.9%12.5%
Norwegian18.3%7.5%—
Irish11.2%13.5%9.4%
English8.0%13.1%9.5%
Danish5.6%——
American4.6%5.4%5.3%
Italian3.1%3.2%4.8%
Scottish2.3%2.6%1.3%
Mexican3.5%2.9%11.3%
Spaniard0.2%0.3%—
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
Sheridan County
Montana
United States
Median age
43.1
40.8
39.1
Age 18–24
6.6%
9.1%
9.2%
Age 65 and older
22.7%
20.0%
17.2%
Household economy
Measure
Sheridan County
Montana
United States
Median household income
$70,147
$72,509
$84,427
Poverty rate
10.4%
11.5%
12.5%
Bachelor's degree or higher (25+)
26.2%
35.3%
35.6%
Languages at home
Measure
Sheridan County
Montana
United States
Speaks a non-English language at home
1.5%
4.2%
22.3%
Religious landscape
Measure
Sheridan County
Montana
United States
Catholic
10.2%
10.3%
18.6%
Evangelical Protestant
9.1%
13.6%
16.5%
Unclaimed / not counted
56.9%
65.3%
51.5%
Mainline Protestant
17.9%
4.7%
5.2%
Latter-day Saints
5.9%
4.7%
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.
Sheridan County, Montana
Precinct data
Results by precinct
6 precincts · 1,912 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
Sheridan County precinct-level presidential election results for 2024
Precinct -4 PLENTYWOOD EAST4 PLENTYWOOD EAST
128
348
29
505
25.3%
68.9%
R+43.6
Precinct -2 MEDICINE LAKE2 MEDICINE LAKE
113
274
15
402
28.1%
68.2%
R+40.0
Precinct -3 PLENTYWOOD WEST3 PLENTYWOOD WEST
115
272
10
397
29.0%
68.5%
R+39.5
Precinct -6 PLENTYWOOD RURAL EAST6 PLENTYWOOD RURAL EAST
78
145
17
240
32.5%
60.4%
R+27.9
Precinct -5 PLENTYWOOD RURAL WEST5 PLENTYWOOD RURAL WEST
42
155
6
203
20.7%
76.4%
R+55.7
Precinct -1 WESTBY1 WESTBY
33
127
5
165
20.0%
77.0%
R+57.0
presidential history
Presidential margin, 1916–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1916
+28.7%
1920
−29.0%
1924
−28.5%
1928
−14.6%
1932
+21.9%
1936
+62.8%
1940
+39.8%
1944
+36.2%
1948
+33.3%
1952
+0.3%
1956
+23.4%
1960
+12.8%
1964
+38.8%
1968
+3.7%
1972
−10.9%
1976
+16.4%
1980
−24.1%
1984
−23.9%
1988
−1.0%
1992
+10.6%
1996
+14.6%
2000
−24.1%
2004
−15.4%
2008
−1.7%
2012
−28.1%
2016
−41.6%
2020
−40.8%
2024
−42.5%
DemocraticRepublican
38 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
26.6%Harris509
69.1%Trump1,321
3.6%Kennedy68 +2
R+42.5
R+1.6
R+41.0
1,912
All 5 candidates in 2024 · 3 minor / independent
Donald J TrumpRepublican69.1%1,321
Kamala D HarrisDemocratic26.6%509
Robert F Kennedy Jr.Independent3.6%68
Chase OliverLibertarian0.5%10
Jill SteinIndependent0.2%4
R
28.3%Biden574
69.1%Trump1,403
2.6%Jorgensen53
R+40.8
D+0.8
R+45.3
2,030
R
26.0%Clinton477
67.6%Trump1,241
5.0%Johnson92
R+41.6
R+13.5
R+43.7
1,835
R
34.5%Obama665
62.6%Romney1,207
2.9%GRAY56
R+28.1
R+26.4
R+32.0
1,928
R
47.5%Obama953
49.2%McCain987
3.3%
R+1.7
D+13.7
R+9.0
2,006
R
41.5%Kerry846
56.9%Bush1,159
1.6%
R+15.4
D+8.8
R+12.9
2,038
R
35.7%Gore702
59.8%Bush1,176
3.2%Nader62
R+24.1
R+38.7
R+24.6
1,965
D
48.7%Clinton1,187
34.2%Dole832
16.8%Perot408
D+14.6
D+4.0
D+6.1
2,435
D
40.4%Clinton1,077
29.9%Bush795
29.4%Perot782
D+10.6
D+11.6
D+5.0
2,663
R
49.0%Dukakis1,354
50.0%Bush1,381
1.0%
R+1.0
D+22.9
D+6.7
2,763
R
37.8%Mondale1,087
61.6%Reagan1,774
0.6%
R+23.9
D+0.3
R+5.6
2,879
R
32.8%Carter955
56.9%Reagan1,658
10.3%
R+24.1
R+40.6
R+14.4
2,912
D
57.5%Carter1,560
41.0%Ford1,114
1.5%
D+16.4
D+27.3
D+14.4
2,714
R
43.1%McGovern1,197
54.0%Nixon1,500
3.0%
R+10.9
R+14.6
D+12.3
2,780
D
49.5%Humphrey1,275
45.8%Nixon1,180
4.7%
D+3.7
R+35.1
D+4.4
2,576
D
69.2%Johnson1,905
30.4%Goldwater837
0.4%
D+38.8
D+26.0
D+16.2
2,754
D
56.2%Kennedy1,549
43.4%Nixon1,196
0.3%
D+12.8
R+10.6
D+12.7
2,754
D
61.7%Stevenson1,857
38.3%Eisenhower1,153
0.0%
D+23.4
D+23.1
D+38.8
3,010
D
49.7%Stevenson1,347
49.4%Eisenhower1,339
0.9%
D+0.3
R+33.0
D+11.1
2,711
D
61.8%Truman1,515
28.5%Dewey699
9.7%
D+33.3
R+2.9
D+28.8
2,453
D
67.2%Roosevelt1,713
31.0%Dewey791
1.7%
D+36.2
R+3.7
D+28.7
2,548
D
69.1%Roosevelt2,108
29.2%Willkie892
1.7%
D+39.8
R+23.0
D+29.9
3,052
D
79.0%Roosevelt2,503
16.2%Landon513
4.8%
D+62.8
D+40.9
D+38.6
3,168
D
44.7%Roosevelt1,450
22.8%Hoover739
32.6%
D+21.9
D+36.5
D+4.1
3,246
R
40.1%Smith1,190
54.7%Hoover1,624
5.3%
R+14.6
D+13.8
D+2.9
2,971
O
6.9%Davis176
35.3%Coolidge905
57.1%La Follette1,464
La Follette +22.5
D+0.6
R+3.3
2,562
R
24.4%Cox610
53.5%Harding1,335
22.1%
R+29.0
R+57.8
R+2.8
2,497
D
60.9%Wilson3,264
32.1%Hughes1,724
7.0%
D+28.7
—
D+25.6
5,363
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
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
36.1%685
61.1%1,159
1,897
2020
R
33.0%668
67.0%1,356
2,024
2018
R
39.3%712
56.1%1,017
1,812
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Sheridan County, MT
Year
Total registered
2016
2,422
2018
2,449
2020
2,507
2022
2,494
2024
2,478
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−32 net domestic migration · 2025
20112025
Net −19 over 2011–2025 · gain loss
Arrivals reported $86,300 in average income, against $76,892 for residents who stayed — 12% higher. (IRS SOI, 2022–23)
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
Domestic migration in Sheridan County, MT in Sheridan County, MT: net domestic migration by year
Year
Net domestic migration
2011
+83
2012
+134
2013
+90
2014
+51
2015
+1
2016
−54
2017
−132
2018
−96
2019
−69
2021
+41
2022
+4
2023
−35
2024
−5
2025
−32
Sheridan County sits in Montana's northeastern corner along the North Dakota border, where a sparse, agriculture-dependent population has delivered Republican presidential margins exceeding 40 points in recent cycles.
Across the recorded series it reached a Democratic high of 62.8 points in 1936 and a Republican high of 42.5 points in 2024. Between 2020 and 2024 the county moved 1.6 points toward the Republican candidate; the 2024 margin was 42.5 points.
A population of 3,669, a 88% non-Hispanic-white share, and a median household income of $70,147 describe the county. The county's voting pattern over the last decade is most similar to that of Ramsey County and Wilkin County.
Akashic
Political twins — counties
The counties 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.
In 2024, Sheridan County, Montana voted Republican by 42.5 points (R+42.5), carried by the Republican candidate. Out of 1,912 votes cast, 509 went Democratic and 1,321 went Republican.
When did Sheridan County, Montana last vote Democratic?
The most recent presidential election in which Sheridan County, Montana voted Democratic was 1996.
How many people live in Sheridan County, Montana?
Sheridan County, Montana has a population of 3,669 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Sheridan County, Montana?
Median household income in Sheridan County, Montana is $70,147 — below the national median of $80,734. The Montana state median is $72,509.
What is the political history of Sheridan County, Montana?
Akashic tracks 38 presidential elections in Sheridan County, Montana from 1876 to 2024. Of those, 14 went Democratic and 13 went Republican.
