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
GroupHarrison CountyMissouriUnited States
German13.9%21.3%12.5%
American13.5%6.8%5.3%
English13.2%11.9%9.5%
Irish7.8%11.8%9.4%
Dutch3.1%——
Scottish1.1%1.8%1.3%
French0.7%2.2%1.6%
Norwegian0.5%——
Chinese0.9%0.4%1.3%
Korean0.3%—0.4%
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
Harrison County
Missouri
United States
Median age
41.8
39.2
39.1
Age 18–24
7.4%
9.2%
9.2%
Age 65 and older
22.8%
17.9%
17.2%
Household economy
Measure
Harrison County
Missouri
United States
Median household income
$54,367
$70,702
$84,427
Poverty rate
19.6%
12.6%
12.5%
Bachelor's degree or higher (25+)
15.7%
32.4%
35.6%
Languages at home
Measure
Harrison County
Missouri
United States
Speaks a non-English language at home
3.7%
6.7%
22.3%
German or other West Germanic
3.3%
0.5%
0.5%
Religious landscape
Measure
Harrison County
Missouri
United States
Catholic
0.8%
12.5%
18.6%
Evangelical Protestant
41.1%
24.1%
16.5%
Unclaimed / not counted
48.7%
51.7%
51.5%
Mainline Protestant
8.4%
5.7%
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.
Harrison County, Missouri
Precinct data
Results by precinct
6 precincts · 3,845 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
Harrison County precinct-level presidential election results for 2024
Precinct -BETHANYBETHANY
235
1,248
8
1,491
15.8%
83.7%
R+67.9
Precinct -EAGLEVILLEEAGLEVILLE
89
551
2
642
13.9%
85.8%
R+72.0
Precinct -NEW HAMPTONNEW HAMPTON
75
389
4
468
16.0%
83.1%
R+67.1
Precinct -RIDGEWAYRIDGEWAY
41
378
1
420
9.8%
90.0%
R+80.2
Precinct -CAINSVILLECAINSVILLE
40
376
1
417
9.6%
90.2%
R+80.6
Precinct -GILMAN CITYGILMAN CITY
54
351
2
407
13.3%
86.2%
R+73.0
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−18.0%
1896
−6.7%
1900
−15.9%
1904
−29.6%
1908
−18.6%
1912
−1.9%
1916
−10.5%
1920
−34.2%
1924
−19.9%
1928
−34.9%
1932
+15.3%
1936
−10.7%
1940
−22.9%
1944
−24.5%
1948
−12.2%
1952
−39.2%
1956
−24.4%
1960
−30.9%
1964
+5.1%
1968
−27.0%
1972
−44.2%
1976
−3.6%
1980
−21.5%
1984
−26.6%
1988
−12.2%
1992
+0.6%
1996
−2.8%
2000
−30.7%
2004
−35.8%
2008
−31.3%
2012
−44.4%
2016
−64.8%
2020
−68.0%
2024
−71.8%
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
13.9%Harris534
85.6%Trump3,293
0.3%Oliver13 +1
R+71.8
R+3.8
R+70.3
3,845
All 4 candidates in 2024 · 2 minor / independent
Donald J TrumpRepublican85.6%3,293
Kamala D HarrisDemocratic13.9%534
Chase OliverLibertarian0.3%13
Jill SteinIndependent0.1%5
R
15.6%Biden597
83.6%Trump3,198
0.6%Jorgensen22
R+68.0
R+3.2
R+72.4
3,826
R
15.6%Clinton574
80.4%Trump2,965
2.6%Johnson97
R+64.8
R+20.4
R+66.9
3,689
R
26.6%Obama984
71.0%Romney2,624
1.8%Gray67
R+44.4
R+13.1
R+48.2
3,695
R
32.9%Obama1,287
64.2%McCain2,512
3.0%
R+31.3
D+4.5
R+38.6
3,915
R
31.6%Kerry1,279
67.4%Bush2,729
1.0%
R+35.8
R+5.2
R+33.4
4,048
R
33.3%Gore1,328
63.9%Bush2,552
1.6%Nader62
R+30.7
R+27.9
R+31.2
3,991
R
42.0%Clinton1,628
44.8%Dole1,737
12.5%Perot484
R+2.8
R+3.4
R+11.3
3,880
D
37.7%Clinton1,590
37.0%Bush1,563
25.1%Perot1,059
D+0.6
D+12.8
R+4.9
4,222
R
43.7%Dukakis1,776
55.9%Bush2,271
0.4%
R+12.2
D+14.4
R+4.5
4,063
R
36.7%Mondale1,649
63.3%Reagan2,844
0.0%
R+26.6
R+5.1
R+8.4
4,493
R
37.2%Carter1,732
58.7%Reagan2,734
4.1%
R+21.5
R+17.9
R+11.8
4,655
R
47.9%Carter2,304
51.5%Ford2,478
0.6%
R+3.6
D+40.6
R+5.7
4,813
R
27.9%McGovern1,383
72.1%Nixon3,574
0.0%
R+44.2
R+17.2
R+21.0
4,957
R
32.5%Humphrey1,688
59.6%Nixon3,092
7.9%
R+27.0
R+32.2
R+26.3
5,192
D
52.6%Johnson2,787
47.4%Goldwater2,516
0.0%
D+5.1
D+36.0
R+17.5
5,303
R
34.6%Kennedy2,200
65.4%Nixon4,166
0.0%
R+30.9
R+6.5
R+31.0
6,366
R
37.8%Stevenson2,518
62.2%Eisenhower4,141
0.0%
R+24.4
D+14.9
R+9.0
6,659
R
30.3%Stevenson2,261
69.5%Eisenhower5,191
0.2%
R+39.2
R+27.1
R+28.5
7,465
R
43.8%Truman2,854
56.0%Dewey3,646
0.2%
R+12.2
D+12.4
R+16.6
6,513
R
37.7%Roosevelt2,623
62.2%Dewey4,330
0.2%
R+24.5
R+1.6
R+32.0
6,964
R
38.5%Roosevelt3,325
61.4%Willkie5,304
0.1%
R+22.9
R+12.2
R+32.9
8,636
R
44.5%Roosevelt3,942
55.2%Landon4,888
0.2%
R+10.7
R+26.0
R+34.9
8,852
D
57.4%Roosevelt3,376
42.1%Hoover2,476
0.5%
D+15.3
D+50.2
R+2.5
5,883
R
32.4%Smith2,319
67.4%Hoover4,818
0.2%
R+34.9
R+15.0
R+17.5
7,153
R
38.2%Davis2,792
58.2%Coolidge4,247
3.2%La Follette234
R+19.9
D+14.3
D+5.2
7,300
R
32.3%Cox2,502
66.6%Harding5,151
1.1%
R+34.2
R+23.7
R+8.0
7,740
R
43.3%Wilson2,205
53.9%Hughes2,741
2.8%
R+10.5
R+8.7
R+13.7
5,089
R
38.6%Wilson1,985
40.5%Taft2,081
20.9%
R+1.9
D+16.7
R+21.4
5,140
R
39.8%Bryan1,938
58.4%Taft2,842
1.8%
R+18.6
D+11.0
R+9.0
4,866
R
33.3%Parker1,596
63.0%Roosevelt3,014
3.7%
R+29.6
R+13.7
R+10.0
4,787
R
40.3%Bryan2,209
56.3%McKinley3,083
3.4%
R+15.9
R+9.2
R+8.4
5,480
R
46.3%Bryan2,582
53.0%McKinley2,956
0.7%
R+6.7
D+11.3
R+0.6
5,577
R
34.8%Cleveland1,630
52.8%Harrison2,474
12.4%
R+18.0
—
R+19.7
4,683
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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
17.0%648
81.5%3,105
3,809
2022
R
16.3%445
81.8%2,237
2,736
2018
R
21.2%611
74.9%2,155
2,876
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Harrison County, MO
Year
Total registered
2016
5,248
2018
5,059
2020
5,292
2022
5,289
2024
5,427
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+19 net domestic migration · 2025
20112025
Net −367 over 2011–2025 · gain loss
Arrivals reported $39,209 in average income, against $50,567 for residents who stayed — 22% lower. (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 Harrison County, MO in Harrison County, MO: net domestic migration by year
Year
Net domestic migration
2011
−90
2012
−143
2013
−5
2014
−70
2015
−4
2016
−28
2017
−49
2018
−96
2019
−10
2021
+40
2022
+62
2023
+23
2024
−16
2025
+19
Harrison County's R+71.8 margin in 2024 places it among the most one-sided counties in the state, reflecting a rural northwest Missouri demographic that has moved steadily away from competitive voting over the past two decades.
Across the recorded series it reached a Democratic high of 15.3 points in 1932 and a Republican high of 71.8 points in 2024. Between 2020 and 2024 the county moved 3.8 points toward the Republican candidate; the 2024 margin was 71.8 points.
A population of 8,190, a 94% non-Hispanic-white share, and a median household income of $54,367 describe the county. The county's voting pattern over the last decade is most similar to that of Livingston County and Owen 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, Harrison County, Missouri voted Republican by 71.8 points (R+71.8), carried by the Republican candidate. Out of 3,845 votes cast, 534 went Democratic and 3,293 went Republican.
When did Harrison County, Missouri last vote Democratic?
The most recent presidential election in which Harrison County, Missouri voted Democratic was 1992.
How many people live in Harrison County, Missouri?
Harrison County, Missouri has a population of 8,190 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Harrison County, Missouri?
Median household income in Harrison County, Missouri is $54,367 — below the national median of $80,734. The Missouri state median is $70,702.
What is the political history of Harrison County, Missouri?
Akashic tracks 38 presidential elections in Harrison County, Missouri from 1876 to 2024. Of those, 3 went Democratic and 31 went Republican.
