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
GroupSlope CountyNorth DakotaUnited States
German47.7%34.5%12.5%
Norwegian21.5%20.3%—
English12.3%5.1%9.5%
Irish10.6%7.3%9.4%
American7.4%2.9%5.3%
Polish3.4%1.6%2.2%
Russian3.4%——
Swedish2.9%3.2%—
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
Slope County
North Dakota
United States
Median age
54.1
36.4
39.1
Age 18–24
5.6%
11.1%
9.2%
Age 65 and older
28.9%
16.5%
17.2%
Household economy
Measure
Slope County
North Dakota
United States
Median household income
$71,250
$76,657
$84,427
Poverty rate
5.0%
10.8%
12.5%
Bachelor's degree or higher (25+)
29.3%
32.9%
35.6%
Languages at home
Measure
Slope County
North Dakota
United States
Speaks a non-English language at home
2.8%
6.7%
22.3%
Spanish
1.2%
2.3%
13.6%
Other languages
1.6%
1.2%
0.8%
Religious landscape
Measure
Slope County
North Dakota
United States
Catholic
8.6%
21.1%
18.6%
Evangelical Protestant
—
10.8%
16.5%
Unclaimed / not counted
73.0%
45.0%
51.5%
Mainline Protestant
18.4%
21.0%
5.2%
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.
Slope County, North Dakota
Precinct data
Results by precinct
6 precincts · 389 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
Slope County precinct-level presidential election results for 2024
Precinct -11
13
119
4
136
9.6%
87.5%
R+77.9
Precinct -22
8
124
1
133
6.0%
93.2%
R+87.2
Precinct -33
12
108
0
120
10.0%
90.0%
R+80.0
Slope 39-01 Voting District01
0
0
0
0
—
—
Even
Slope 39-02 Voting District02
0
0
0
0
—
—
Even
Slope 39-03 Voting District03
0
0
0
0
—
—
Even
presidential history
Presidential margin, 1916–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1916
+23.7%
1920
−60.8%
1924
−36.1%
1928
−23.1%
1932
+40.7%
1936
+39.8%
1940
−15.5%
1944
+0.6%
1948
−6.7%
1952
−39.9%
1956
−4.3%
1960
−4.9%
1964
+14.0%
1968
−20.7%
1972
−23.8%
1976
−1.1%
1980
−51.6%
1984
−40.5%
1988
−21.3%
1992
−15.1%
1996
−30.8%
2000
−52.3%
2004
−56.9%
2008
−46.5%
2012
−59.0%
2016
−74.2%
2020
−78.7%
2024
−81.7%
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
8.5%Harris33
90.2%Trump351
0.8%Oliver3 +1
R+81.7
R+3.1
R+80.3
389
All 4 candidates in 2024 · 2 minor / independent
Donald J TrumpRepublican90.2%351
Kamala D HarrisDemocratic8.5%33
Chase OliverLibertarian0.8%3
OtherAll other candidates0.5%2
R
10.3%Biden44
89.0%Trump380
0.5%Jorgensen2
R+78.7
R+4.5
R+83.1
427
R
10.0%Clinton43
84.2%Trump362
4.4%Johnson19
R+74.2
R+15.1
R+76.3
430
R
19.0%Obama83
78.0%Romney341
3.0%
R+59.0
R+12.6
R+62.9
437
R
25.8%Obama106
72.3%McCain297
1.9%
R+46.5
D+10.5
R+53.7
411
R
20.6%Kerry89
77.5%Bush335
1.9%
R+56.9
R+4.7
R+54.5
432
R
19.2%Gore85
71.5%Bush316
3.8%Nader17
R+52.3
R+21.5
R+52.8
442
R
27.6%Clinton123
58.4%Dole260
13.5%Perot60
R+30.8
R+15.6
R+39.3
445
R
27.1%Clinton145
42.2%Bush226
30.3%Perot162
R+15.1
D+6.2
R+20.7
535
R
38.1%Dukakis202
59.4%Bush315
2.5%
R+21.3
D+19.2
R+13.6
530
R
28.8%Mondale174
69.3%Reagan419
2.0%
R+40.5
D+11.1
R+22.3
605
R
19.8%Carter128
71.4%Reagan462
8.8%
R+51.6
R+50.5
R+41.9
647
R
47.8%Carter347
48.9%Ford355
3.3%
R+1.1
D+22.7
R+3.2
726
R
36.1%McGovern249
59.9%Nixon413
4.1%
R+23.8
R+3.1
R+0.6
690
R
34.9%Humphrey238
55.6%Nixon379
9.5%
R+20.7
R+34.7
R+20.0
682
D
57.0%Johnson436
43.0%Goldwater329
0.0%
D+14.0
D+18.8
R+8.6
765
R
47.6%Kennedy431
52.4%Nixon475
0.0%
R+4.9
R+0.5
R+5.0
906
R
47.7%Stevenson397
52.0%Eisenhower433
0.4%
R+4.3
D+35.6
D+11.1
833
R
29.5%Stevenson290
69.4%Eisenhower682
1.1%
R+39.9
R+33.2
R+29.1
983
R
43.8%Truman388
50.5%Dewey447
5.6%
R+6.7
R+7.2
R+11.1
885
D
50.0%Roosevelt439
49.4%Dewey434
0.6%
D+0.6
D+16.1
R+6.9
878
R
42.1%Roosevelt585
57.6%Willkie801
0.4%
R+15.5
R+55.3
R+25.5
1,391
D
63.1%Roosevelt896
23.3%Landon331
13.7%
D+39.8
R+0.9
D+15.5
1,421
D
68.4%Roosevelt1,136
27.8%Hoover461
3.8%
D+40.7
D+63.7
D+22.9
1,660
R
37.8%Smith542
60.9%Hoover873
1.3%
R+23.1
D+13.0
R+5.6
1,434
O
3.0%Davis47
39.1%Coolidge616
57.9%La Follette913
La Follette +18.8
D+24.7
R+10.9
1,576
R
15.7%Cox235
76.6%Harding1,143
7.7%
R+60.8
R+84.5
R+34.6
1,493
D
58.5%Wilson867
34.8%Hughes516
6.6%
D+23.7
—
D+20.6
1,481
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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
13.4%52
86.6%335
387
2022
R
7.6%23
74.8%226
302
2018
R
19.2%73
80.8%307
380
domestic migration
Who moves in and out
Net domestic migration over time
−15 net domestic migration · 2025
20112025
Net −106 over 2011–2025 · gain loss
Domestic migration in Slope County, ND in Slope County, ND: net domestic migration by year
Year
Net domestic migration
2011
−11
2012
+36
2013
+1
2014
+1
2015
−2
2016
−2
2017
−18
2018
−15
2019
−20
2021
−13
2022
−15
2023
−10
2024
−23
2025
−15
Slope County's 767 residents spread across 1,200 square miles of western North Dakota badlands, producing presidential margins that consistently rank among the widest of any county in the United States.
Across the recorded series it reached a Democratic high of 40.7 points in 1932 and a Republican high of 81.7 points in 2024. Between 2020 and 2024 the county moved 3.1 points toward the Republican candidate; the 2024 margin was 81.7 points.
A population of 766, a 92% non-Hispanic-white share, and a median household income of $71,250 describe the county. The county's voting pattern over the last decade is most similar to that of McCone County and Judith Basin 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, Slope County, North Dakota voted Republican by 81.7 points (R+81.7), carried by the Republican candidate. Out of 389 votes cast, 33 went Democratic and 351 went Republican.
When did Slope County, North Dakota last vote Democratic?
The most recent presidential election in which Slope County, North Dakota voted Democratic was 1964.
How many people live in Slope County, North Dakota?
Slope County, North Dakota has a population of 766 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Slope County, North Dakota?
Median household income in Slope County, North Dakota is $71,250 — below the national median of $80,734. The North Dakota state median is $76,657.
What is the political history of Slope County, North Dakota?
Akashic tracks 38 presidential elections in Slope County, North Dakota from 1876 to 2024. Of those, 5 went Democratic and 22 went Republican.
