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
GroupSweet Grass CountyMontanaUnited States
German24.7%22.9%12.5%
English16.2%13.1%9.5%
Norwegian13.9%7.5%—
Irish9.6%13.5%9.4%
Scottish3.1%2.6%1.3%
American2.7%5.4%5.3%
Dutch1.9%——
French1.7%—1.6%
Blackfeet0.5%1.0%—
Mexican1.1%2.9%11.3%
African American†1.0%—9.9%
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
Sweet Grass County
Montana
United States
Median age
47
40.8
39.1
Age 18–24
7.4%
9.1%
9.2%
Age 65 and older
25.8%
20.0%
17.2%
Household economy
Measure
Sweet Grass County
Montana
United States
Median household income
$77,000
$72,509
$84,427
Poverty rate
7.9%
11.5%
12.5%
Bachelor's degree or higher (25+)
24.4%
35.3%
35.6%
Languages at home
Measure
Sweet Grass County
Montana
United States
Speaks a non-English language at home
2.7%
4.2%
22.3%
Spanish
1.2%
1.5%
13.6%
Religious landscape
Measure
Sweet Grass County
Montana
United States
Catholic
4.1%
10.3%
18.6%
Evangelical Protestant
7.1%
13.6%
16.5%
Unclaimed / not counted
72.1%
65.3%
51.5%
Mainline Protestant
11.0%
4.7%
5.2%
Latter-day Saints
5.7%
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.
Sweet Grass County, Montana
Precinct data
Results by precinct
5 precincts · 2,381 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
Sweet Grass County precinct-level presidential election results for 2024
Precinct -PRECINCT 4PRECINCT 4
136
486
24
646
21.1%
75.2%
R+54.2
Precinct -PRECINCT 5PRECINCT 5
108
463
9
580
18.6%
79.8%
R+61.2
Precinct -PRECINCT 1PRECINCT 1
127
372
18
517
24.6%
72.0%
R+47.4
Precinct -PRECINCT 2PRECINCT 2
123
296
12
431
28.5%
68.7%
R+40.1
Precinct -PRECINCT 3PRECINCT 3
31
172
4
207
15.0%
83.1%
R+68.1
presidential history
Presidential margin, 1896–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1896
+1.0%
1900
−23.1%
1904
−47.7%
1908
−31.8%
1912
+10.2%
1916
−2.9%
1920
−48.7%
1924
−42.2%
1928
−45.4%
1932
−1.4%
1936
+7.7%
1940
−7.4%
1944
−25.3%
1948
−25.2%
1952
−55.3%
1956
−42.6%
1960
−35.6%
1964
−13.4%
1968
−47.4%
1972
−54.9%
1976
−38.2%
1980
−41.9%
1984
−57.6%
1988
−45.0%
1992
−26.9%
1996
−35.9%
2000
−62.0%
2004
−53.7%
2008
−45.8%
2012
−52.9%
2016
−56.6%
2020
−52.8%
2024
−53.1%
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
22.0%Harris525
75.1%Trump1,789
1.6%Kennedy37 +2
R+53.1
R+0.3
R+51.6
2,381
All 5 candidates in 2024 · 3 minor / independent
Donald J TrumpRepublican75.1%1,789
Kamala D HarrisDemocratic22.0%525
Robert F Kennedy Jr.Independent1.6%37
Chase OliverLibertarian0.9%22
Jill SteinIndependent0.3%8
R
22.4%Biden549
75.2%Trump1,840
2.3%Jorgensen57
R+52.8
D+3.8
R+57.2
2,446
R
19.1%Clinton402
75.7%Trump1,595
3.7%Johnson77
R+56.6
R+3.8
R+58.7
2,107
R
22.4%Obama475
75.3%Romney1,594
2.3%GRAY48
R+52.9
R+7.1
R+56.7
2,117
R
26.0%Obama541
71.7%McCain1,494
2.3%
R+45.8
D+7.9
R+53.0
2,083
R
22.4%Kerry445
76.1%Bush1,509
1.5%
R+53.7
D+8.4
R+51.2
1,983
R
16.5%Gore305
78.5%Bush1,450
3.2%Nader59
R+62.0
R+26.1
R+62.5
1,846
R
26.3%Clinton469
62.2%Dole1,109
10.4%Perot186
R+35.9
R+9.0
R+44.4
1,782
R
21.9%Clinton395
48.9%Bush880
28.2%Perot507
R+26.9
D+18.1
R+32.5
1,801
R
26.7%Dukakis462
71.7%Bush1,242
1.7%
R+45.0
D+12.6
R+37.3
1,733
R
21.0%Mondale378
78.6%Reagan1,417
0.4%
R+57.6
R+15.7
R+39.4
1,803
R
25.3%Carter440
67.2%Reagan1,169
7.5%
R+41.9
R+3.8
R+32.2
1,739
R
30.3%Carter502
68.4%Ford1,135
1.3%
R+38.2
D+16.7
R+40.2
1,659
R
21.1%McGovern350
76.0%Nixon1,260
2.9%
R+54.9
R+7.4
R+31.7
1,658
R
22.6%Humphrey336
70.0%Nixon1,043
7.4%
R+47.4
R+34.0
R+46.8
1,490
R
43.1%Johnson653
56.5%Goldwater856
0.3%
R+13.4
D+22.2
R+36.0
1,514
R
32.2%Kennedy521
67.8%Nixon1,096
0.0%
R+35.6
D+7.0
R+35.7
1,617
R
28.7%Stevenson455
71.3%Eisenhower1,129
0.0%
R+42.6
D+12.8
R+27.1
1,584
R
21.8%Stevenson372
77.2%Eisenhower1,315
1.0%
R+55.3
R+30.2
R+44.6
1,704
R
36.5%Truman499
61.7%Dewey843
1.8%
R+25.2
D+0.1
R+29.7
1,366
R
37.0%Roosevelt533
62.3%Dewey897
0.7%
R+25.3
R+17.8
R+32.8
1,440
R
46.0%Roosevelt741
53.4%Willkie861
0.6%
R+7.4
R+15.2
R+17.4
1,611
D
50.7%Roosevelt783
43.0%Landon664
6.3%
D+7.7
D+9.2
R+16.6
1,544
R
47.7%Roosevelt761
49.2%Hoover784
3.1%
R+1.4
D+43.9
R+19.2
1,594
R
27.1%Smith435
72.5%Hoover1,163
0.4%
R+45.4
R+3.1
R+27.9
1,605
R
17.3%Davis248
59.6%Coolidge853
23.1%La Follette331
R+42.2
D+6.5
R+17.1
1,432
R
24.8%Cox349
73.5%Harding1,035
1.7%
R+48.7
R+45.8
R+22.5
1,408
R
47.3%Wilson839
50.2%Hughes890
2.5%
R+2.9
R+13.1
R+6.0
1,773
O
29.4%Wilson277
19.2%Taft181
51.4%
Roosevelt +22.0
D+41.9
R+9.4
942
R
32.0%Bryan264
63.8%Taft526
4.2%
R+31.8
D+15.9
R+22.2
825
R
22.8%Parker174
70.5%Roosevelt538
6.7%
R+47.7
R+24.6
R+28.0
763
R
38.4%Bryan287
61.5%McKinley460
0.1%
R+23.1
R+24.1
R+15.6
748
D
50.4%Bryan298
49.4%McKinley292
0.2%
D+1.0
—
D+7.1
591
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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
27.7%665
70.1%1,685
2,402
2020
R
25.4%625
74.6%1,834
2,459
2018
R
31.1%652
65.4%1,372
2,098
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Sweet Grass County, MT
Year
Total registered
2016
2,664
2018
2,755
2020
2,787
2022
2,822
2024
2,956
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−57 net domestic migration · 2025
20112025
Net +316 over 2011–2025 · gain loss
Arrivals reported $104,623 in average income, against $76,526 for residents who stayed — 37% 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 Sweet Grass County, MT in Sweet Grass County, MT: net domestic migration by year
Year
Net domestic migration
2011
−9
2012
+5
2013
+78
2014
+2
2015
−11
2016
+3
2017
+60
2018
+22
2019
+31
2021
+69
2022
+46
2023
+50
2024
+27
2025
−57
Sweet Grass County, anchored by the small city of Big Timber, delivers some of the widest Republican presidential margins in Montana, reflecting its sparse ranching economy and a population that has held steady below 4,000 for decades.
Across the recorded series it reached a Democratic high of 10.2 points in 1912 and a Republican high of 62.0 points in 2000. The 2024 margin was 53.1 points.
A population of 3,720, a 91% non-Hispanic-white share, and a median household income of $77,000 describe the county. The county's voting pattern over the last decade is most similar to that of Powder River County and Sublette 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, Sweet Grass County, Montana voted Republican by 53.1 points (R+53.1), carried by the Republican candidate. Out of 2,381 votes cast, 525 went Democratic and 1,789 went Republican.
When did Sweet Grass County, Montana last vote Democratic?
The most recent presidential election in which Sweet Grass County, Montana voted Democratic was 1936.
How many people live in Sweet Grass County, Montana?
Sweet Grass County, Montana has a population of 3,720 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Sweet Grass County, Montana?
Median household income in Sweet Grass County, Montana is $77,000 — below the national median of $80,734. The Montana state median is $72,509.
What is the political history of Sweet Grass County, Montana?
Akashic tracks 38 presidential elections in Sweet Grass County, Montana from 1876 to 2024. Of those, 2 went Democratic and 30 went Republican.
