† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
2 counties by 2024 margin · County returns · 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
GroupHannibal, MOMissouriUnited States
German21.5%21.3%12.5%
English12.7%11.9%9.5%
Irish9.6%11.8%9.4%
American8.8%6.8%5.3%
Italian2.9%3.2%4.8%
French1.8%2.2%1.6%
Scottish1.3%1.8%1.3%
Dutch0.7%——
African American†3.3%10.0%9.9%
Spaniard1.0%——
Mexican0.7%3.2%11.3%
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
Hannibal, MO
Missouri
United States
Median age
41.3
39.2
39.1
Age 18–24
8.2%
9.2%
9.2%
Age 65 and older
20.2%
17.9%
17.2%
Household economy
Measure
Hannibal, MO
Missouri
United States
Median household income
$63,569
$70,702
$84,427
Poverty rate
13.4%
12.6%
12.5%
Bachelor's degree or higher (25+)
22.6%
32.4%
35.6%
Languages at home
Measure
Hannibal, MO
Missouri
United States
Speaks a non-English language at home
1.0%
6.7%
22.3%
Religious landscape
Measure
Hannibal, MO
Missouri
United States
Catholic
7.7%
12.5%
18.6%
Evangelical Protestant
27.4%
24.1%
16.5%
Unclaimed / not counted
56.0%
51.7%
51.5%
Mainline Protestant
6.8%
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.
Hannibal, MO
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
+30.4%
1896
+28.3%
1900
+29.8%
1904
+20.3%
1908
+25.7%
1912
+34.4%
1916
+28.7%
1920
+22.2%
1924
+9.7%
1928
−8.6%
1932
+47.5%
1936
+44.6%
1940
+29.0%
1944
+33.0%
1948
+44.0%
1952
+20.3%
1956
+15.0%
1960
+7.8%
1964
+44.0%
1968
+9.4%
1972
−23.9%
1976
+10.5%
1980
−0.3%
1984
−14.3%
1988
+10.8%
1992
+7.4%
1996
+5.1%
2000
−12.1%
2004
−24.0%
2008
−22.4%
2012
−31.3%
2016
−51.2%
2020
−52.0%
2024
−54.8%
DemocraticRepublican
34 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
22.1%Harris4,186
76.9%Trump14,566
0.6%Oliver105 +2
R+54.8
R+2.8
R+53.4
18,930
All 5 candidates in 2024 · 3 minor / independent
Donald J TrumpRepublican76.9%14,566
Kamala D HarrisDemocratic22.1%4,186
Chase OliverLibertarian0.6%105
Jill SteinIndependent0.4%68
Peter SonskiIndependent0.0%5
R
23.1%Biden4,407
75.2%Trump14,311
1.7%
R+52.0
R+0.8
R+56.5
19,038
R
22.9%Clinton4,132
74.0%Trump13,388
3.1%
R+51.2
R+19.9
R+53.3
18,081
R
33.5%Obama5,767
64.9%Romney11,154
1.6%
R+31.3
R+8.9
R+35.2
17,194
R
38.2%Obama6,744
60.6%McCain10,692
1.1%
R+22.4
D+1.6
R+29.7
17,637
R
37.7%Kerry6,599
61.8%Bush10,801
0.5%
R+24.0
R+11.9
R+21.6
17,487
R
43.2%Gore7,026
55.3%Bush8,996
1.4%
R+12.1
R+17.2
R+12.6
16,254
D
46.9%Clinton6,922
41.7%Dole6,166
11.4%
D+5.1
R+2.3
R+3.4
14,773
D
45.2%Clinton7,314
37.8%Bush6,111
17.0%
D+7.4
R+3.3
D+1.9
16,176
D
55.3%Dukakis8,106
44.5%Bush6,528
0.2%
D+10.8
D+25.0
D+18.5
14,664
R
42.9%Mondale6,677
57.1%Reagan8,898
0.0%
R+14.3
R+14.0
D+4.0
15,575
R
48.7%Carter7,959
49.0%Reagan8,004
2.2%
R+0.3
R+10.7
D+9.5
16,328
D
55.0%Carter8,442
44.5%Ford6,835
0.4%
D+10.5
D+34.4
D+8.4
15,345
R
38.0%McGovern5,542
62.0%Nixon9,024
0.0%
R+23.9
R+33.3
R+0.8
14,566
D
49.0%Humphrey7,316
39.6%Nixon5,907
11.4%
D+9.4
R+34.6
D+10.1
14,922
D
72.0%Johnson11,161
28.0%Goldwater4,341
0.0%
D+44.0
D+36.2
D+21.4
15,502
D
53.9%Kennedy9,253
46.1%Nixon7,916
0.0%
D+7.8
R+7.2
D+7.6
17,169
D
57.5%Stevenson9,506
42.5%Eisenhower7,030
0.0%
D+15.0
R+5.3
D+30.4
16,536
D
60.1%Stevenson11,477
39.8%Eisenhower7,599
0.1%
D+20.3
R+23.7
D+31.1
19,102
D
71.9%Truman12,135
27.9%Dewey4,710
0.1%
D+44.0
D+11.0
D+39.5
16,866
D
66.5%Roosevelt11,374
33.4%Dewey5,724
0.1%
D+33.0
D+4.0
D+25.5
17,115
D
64.4%Roosevelt13,285
35.4%Willkie7,304
0.2%
D+29.0
R+15.7
D+19.0
20,640
D
72.2%Roosevelt14,890
27.5%Landon5,679
0.3%
D+44.6
R+2.8
D+20.4
20,632
D
73.4%Roosevelt13,819
25.9%Hoover4,884
0.7%
D+47.5
D+56.1
D+29.7
18,826
R
45.6%Smith7,952
54.2%Hoover9,458
0.2%
R+8.6
R+18.3
D+8.8
17,438
D
51.0%Davis8,356
41.4%Coolidge6,773
7.6%
D+9.7
R+12.6
D+34.8
16,369
D
60.5%Cox9,522
38.3%Harding6,022
1.3%
D+22.2
R+6.5
D+48.4
15,742
D
63.7%Wilson6,528
35.0%Hughes3,585
1.3%
D+28.7
R+5.7
D+25.6
10,245
D
61.3%Wilson5,205
26.9%Taft2,284
11.8%
D+34.4
D+8.7
D+14.9
8,492
D
61.5%Bryan5,929
35.8%Taft3,454
2.7%
D+25.7
D+5.4
D+35.2
9,643
D
58.8%Parker4,921
38.5%Roosevelt3,225
2.7%
D+20.3
R+9.6
D+39.9
8,374
D
64.2%Bryan6,088
34.4%McKinley3,260
1.4%
D+29.8
D+1.6
D+37.4
9,485
D
63.8%Bryan6,305
35.6%McKinley3,513
0.6%
D+28.3
R+2.1
D+34.3
9,880
D
64.3%Cleveland5,602
34.0%Harrison2,956
1.7%
D+30.4
—
D+28.7
8,706
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
22.5%4,213
75.1%14,046
18,701
2022
R
24.7%3,132
72.4%9,171
12,675
2018
R
27.9%4,221
68.8%10,420
15,143
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Hannibal, MO
Year
Total registered
2016
27,199
2018
27,129
2020
27,820
2022
26,414
2024
27,157
domestic migration
Who moves in and out
Net domestic migration over time
+166 net domestic migration · 2025
20112025
Net −9 over 2011–2025 · gain loss
Domestic migration in Hannibal, MO in Hannibal, MO: net domestic migration by year
Year
Net domestic migration
2011
−6
2012
−126
2013
−67
2014
+28
2015
−207
2016
+6
2017
−116
2018
−104
2019
−7
2021
+141
2022
+100
2023
−5
2024
+188
2025
+166
Hannibal's Marion County has shifted decisively toward Republican margins over the past two decades, tracking a broader pattern of rural and small-city realignment along the Mississippi corridor that reshaped Missouri statewide.
Across the recorded series it reached a Democratic high of 47.5 points in 1932 and a Republican high of 54.8 points in 2024. Between 2020 and 2024 the metro moved 2.8 points toward the Republican candidate; the 2024 margin was 54.8 points.
A population of 38,885, a 90% non-Hispanic-white share, and a median household income of $63,569 describe the metro. The metro's voting pattern over the last decade is most similar to that of Mexico, MO and West Plains, MO.
Akashic
Political twins — metros
The metros 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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
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Hannibal, MO, Missouri. Akashic. https://akashic.app/cbsa/25300/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Hannibal, MO, Missouri voted Republican by 54.8 points (R+54.8), carried by the Republican candidate. Out of 18,930 votes cast, 4,186 went Democratic and 14,566 went Republican.
When did Hannibal, MO, Missouri last vote Democratic?
The most recent presidential election in which Hannibal, MO, Missouri voted Democratic was 1996.
How many people live in Hannibal, MO, Missouri?
Hannibal, MO, Missouri has a population of 38,885 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Hannibal, MO, Missouri?
Median household income in Hannibal, MO, Missouri is $63,569 — below the national median of $80,734. The Missouri state median is $70,702.
What is the political history of Hannibal, MO, Missouri?
Akashic tracks 34 presidential elections in Hannibal, MO, Missouri from 1892 to 2024. Of those, 23 went Democratic and 11 went Republican.
