akashic
1876–2024
Roosevelt County, Montana
Roosevelt County·Montana

Roosevelt County votes the way the country votes.

Fort Peck Reservation shapes a closely watched rural swing dynamic

18762024·38 elections
Roosevelt County, Montana · J.B. Chandler · Wikimedia Commons
Latest
R+10
in 2024
Archetype
Bellwether
since the recent cycles
Population
10,526
2024 ACS
Most similar
Vernon County
WI · similarity 0.99
12 precincts · 3,914 votes cast
Trump · R+10
Margin
Turnout
Harris +50
Trump +50
Real precinct boundaries. Hover for vote totals.
YearWonMarginDemocraticRepublicanTotal
2024R
−9.6%
1,6802,0553,914
2020R
−2.1%
1,9101,9964,017
2016R
−6.5%
1,5601,7973,652
2012D
+15.6%
2,0861,5143,672
2008D
+26.3%
2,5641,4734,150
2004D
+10.7%
2,1951,7624,028
2000D
+11.9%
2,0591,6053,813
1996D
+22.7%
2,1181,2093,997
1992D
+14.7%
1,8271,2124,193
1988D
+3.1%
2,0831,9574,118
1984R
−10.5%
1,9622,4314,464
1980R
−19.1%
1,5042,2984,160
1976D
+6.1%
2,0611,8223,928
1972R
−21.5%
1,4642,3043,907
1968R
−4.5%
1,7711,9473,885
1964D
+20.9%
2,4631,6124,078
1960D
+8.5%
2,2271,8764,132
1956D
+5.3%
2,2051,9854,190
1952R
−15.3%
1,4661,9983,483
1948D
+21.7%
1,8201,1423,128
1944D
+17.9%
1,8481,2813,168
1940D
+23.0%
2,4181,5033,982
1936D
+45.5%
2,9231,0524,109
1932D
+37.1%
2,2639653,500
1928R
−11.3%
1,2961,6302,949
1924R
−23.3%
3899652,468
1920R
−46.9%
5551,6242,279
1916
No data
1912
No data
1908
No data
1904
No data
1900
No data
1896
No data
1892
No data
1888
No data
1884
No data
1880
No data
1876
No data
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Mainline Protestant
14.4%
Catholic & Orthodox
11.3%
Other Christian
11.3%
Pentecostal & Holiness
2.9%
Baptist
1.0%
Non-Christian
0.2%
Source · 2020 US Religion Census. Remaining 58.9% of residents not counted as adherents by any reporting body.

Roosevelt County's Fort Peck Indian Reservation anchors a Native American voting bloc that has historically narrowed Republican margins here, making it an outlier among Montana's rural northeastern counties despite the R+9.6 result in 2024.

The Democratic margin in Roosevelt County has rarely exceeded forty-six points in modern history; the Republican margin has rarely exceeded forty-seven points. 2024 delivered the county to the Republican candidate by ten points.

Roosevelt County's demographics resemble the country more than they resemble most counties. A 33% non-Hispanic-white share, a 30% poverty rate, and a median household income of $57,063 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Vernon County and Crawford County.