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
GroupMercer CountyMissouriUnited States
German14.3%21.3%12.5%
English10.8%11.9%9.5%
Irish8.6%11.8%9.4%
American8.5%6.8%5.3%
Norwegian2.2%——
Scottish1.8%1.8%1.3%
Italian0.9%3.2%4.8%
French0.9%2.2%1.6%
Mexican3.5%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
Mercer County
Missouri
United States
Median age
42.4
39.2
39.1
Age 18–24
7.5%
9.2%
9.2%
Age 65 and older
22.3%
17.9%
17.2%
Household economy
Measure
Mercer County
Missouri
United States
Median household income
$62,679
$70,702
$84,427
Poverty rate
13.5%
12.6%
12.5%
Bachelor's degree or higher (25+)
18.1%
32.4%
35.6%
Languages at home
Measure
Mercer County
Missouri
United States
Speaks a non-English language at home
7.5%
6.7%
22.3%
Spanish
2.9%
2.9%
13.6%
German or other West Germanic
3.5%
0.5%
0.5%
Religious landscape
Measure
Mercer County
Missouri
United States
Catholic
2.4%
12.5%
18.6%
Evangelical Protestant
71.7%
24.1%
16.5%
Unclaimed / not counted
19.6%
51.7%
51.5%
Mainline Protestant
6.3%
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.
Mercer County, Missouri
Precinct data
Results by precinct
4 precincts · 1,792 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
Mercer County precinct-level presidential election results for 2024
Precinct -MORGAN TWP HALLMORGAN TWP HALL
93
510
4
607
15.3%
84.0%
R+68.7
Precinct -MERCER COMMUNITY BLDGMERCER COMMUNITY BLDG
64
484
5
553
11.6%
87.5%
R+75.9
Precinct -HAL ENGLAND CENTERHAL ENGLAND CENTER
65
449
2
516
12.6%
87.0%
R+74.4
Precinct -RAVANNA COMMUNITY BLDGRAVANNA COMMUNITY BLDG
13
102
1
116
11.2%
87.9%
R+76.7
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−28.3%
1896
−16.3%
1900
−27.6%
1904
−38.7%
1908
−37.7%
1912
−7.5%
1916
−24.4%
1920
−49.7%
1924
−32.4%
1928
−51.2%
1932
+5.6%
1936
−20.0%
1940
−34.2%
1944
−36.9%
1948
−22.5%
1952
−45.1%
1956
−29.5%
1960
−34.5%
1964
+10.5%
1968
−26.9%
1972
−44.8%
1976
+6.9%
1980
−20.6%
1984
−16.8%
1988
+0.1%
1992
+11.7%
1996
+2.5%
2000
−37.7%
2004
−34.4%
2008
−37.2%
2012
−54.5%
2016
−72.8%
2020
−74.0%
2024
−73.1%
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
13.1%Harris235
86.2%Trump1,545
0.4%Oliver8 +1
R+73.1
D+0.9
R+71.6
1,792
All 4 candidates in 2024 · 2 minor / independent
Donald J TrumpRepublican86.2%1,545
Kamala D HarrisDemocratic13.1%235
Chase OliverLibertarian0.4%8
Jill SteinIndependent0.2%4
R
12.5%Biden222
86.5%Trump1,541
0.7%Jorgensen13
R+74.0
R+1.2
R+78.5
1,782
R
12.4%Clinton216
85.2%Trump1,486
1.5%Johnson27
R+72.8
R+18.3
R+74.9
1,745
R
21.3%Obama353
75.8%Romney1,255
2.2%Gray36
R+54.5
R+17.3
R+58.4
1,655
R
29.7%Obama519
66.9%McCain1,169
3.4%
R+37.2
R+2.8
R+44.5
1,748
R
32.0%Kerry582
66.4%Bush1,207
1.5%
R+34.4
D+3.3
R+31.9
1,817
R
30.1%Gore555
67.9%Bush1,250
1.1%Nader20
R+37.7
R+40.3
R+38.2
1,842
D
44.3%Clinton700
41.7%Dole660
13.2%Perot208
D+2.5
R+9.2
R+6.0
1,581
D
45.6%Clinton843
33.9%Bush626
20.4%Perot378
D+11.7
D+11.6
D+6.2
1,849
D
50.0%Dukakis877
49.9%Bush875
0.1%
D+0.1
D+16.9
D+7.8
1,754
R
41.6%Mondale875
58.4%Reagan1,229
0.0%
R+16.8
D+3.8
D+1.4
2,104
R
38.0%Carter821
58.7%Reagan1,266
3.3%
R+20.6
R+27.5
R+10.9
2,158
D
53.3%Carter1,177
46.4%Ford1,025
0.2%
D+6.9
D+51.7
D+4.8
2,207
R
27.6%McGovern607
72.4%Nixon1,592
0.0%
R+44.8
R+17.9
R+21.6
2,199
R
33.8%Humphrey783
60.8%Nixon1,406
5.4%
R+26.9
R+37.4
R+26.2
2,314
D
55.2%Johnson1,284
44.8%Goldwater1,040
0.0%
D+10.5
D+45.0
R+12.1
2,324
R
32.7%Kennedy1,146
67.3%Nixon2,354
0.0%
R+34.5
R+5.1
R+34.7
3,500
R
35.3%Stevenson1,109
64.7%Eisenhower2,035
0.0%
R+29.5
D+15.6
R+14.1
3,144
R
27.3%Stevenson936
72.4%Eisenhower2,482
0.3%
R+45.1
R+22.6
R+34.3
3,428
R
38.7%Truman1,008
61.2%Dewey1,595
0.1%
R+22.5
D+14.4
R+27.0
2,605
R
31.5%Roosevelt1,035
68.4%Dewey2,249
0.1%
R+36.9
R+2.7
R+44.4
3,288
R
32.8%Roosevelt1,364
67.0%Willkie2,787
0.2%
R+34.2
R+14.2
R+44.1
4,161
R
39.8%Roosevelt1,834
59.9%Landon2,757
0.3%
R+20.0
R+25.7
R+44.3
4,605
D
52.4%Roosevelt1,520
46.8%Hoover1,357
0.8%
D+5.6
D+56.8
R+12.2
2,901
R
24.4%Smith925
75.5%Hoover2,869
0.1%
R+51.2
R+18.8
R+33.7
3,798
R
30.1%Davis1,209
62.5%Coolidge2,508
7.1%La Follette285
R+32.4
D+17.3
R+7.2
4,010
R
24.4%Cox1,044
74.2%Harding3,170
1.4%
R+49.7
R+25.4
R+23.6
4,274
R
36.8%Wilson1,042
61.1%Hughes1,733
2.1%
R+24.4
R+16.8
R+27.5
2,835
O
27.3%Wilson780
34.9%Taft995
37.8%
Roosevelt +2.9
D+30.2
R+27.1
2,853
R
30.4%Bryan852
68.1%Taft1,909
1.5%
R+37.7
D+1.0
R+28.2
2,802
R
29.4%Parker819
68.2%Roosevelt1,896
2.4%
R+38.7
R+11.1
R+19.1
2,781
R
35.2%Bryan1,106
62.8%McKinley1,973
2.0%
R+27.6
R+11.3
R+20.0
3,142
R
41.4%Bryan1,405
57.7%McKinley1,958
0.9%
R+16.3
D+12.0
R+10.2
3,392
R
27.5%Cleveland809
55.8%Harrison1,643
16.8%
R+28.3
—
R+30.0
2,947
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
—
—
—
—
No data
—
—
—
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
15.4%273
83.0%1,475
1,777
2022
R
16.9%213
81.3%1,028
1,264
2018
R
16.3%223
80.6%1,102
1,368
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Mercer County, MO
Year
Total registered
2016
2,539
2018
2,363
2020
2,352
2022
2,432
2024
2,515
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−20 net domestic migration · 2025
20112025
Net −326 over 2011–2025 · gain loss
Arrivals reported $51,429 in average income, against $53,215 for residents who stayed — 3% 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 Mercer County, MO in Mercer County, MO: net domestic migration by year
Year
Net domestic migration
2011
+9
2012
−57
2013
−40
2014
+11
2015
−20
2016
−15
2017
+9
2018
−55
2019
−15
2021
−24
2022
−12
2023
−6
2024
−91
2025
−20
Mercer County's 2024 presidential result — R+73.1 — places it among Missouri's most lopsided rural counties. With fewer than 4,000 residents, its voting patterns reflect the broader realignment of small agricultural communities across the northern tier of the state.
Across the recorded series it reached a Democratic high of 11.7 points in 1992 and a Republican high of 74.0 points in 2020. Between 2020 and 2024 the county moved 0.9 points toward the Democratic candidate; the 2024 margin was 73.1 points.
A population of 3,482, a 91% non-Hispanic-white share, and a median household income of $62,679 describe the county. The county's voting pattern over the last decade is most similar to that of Carroll County and Throckmorton 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, Mercer County, Missouri voted Republican by 73.1 points (R+73.1), carried by the Republican candidate. Out of 1,792 votes cast, 235 went Democratic and 1,545 went Republican.
When did Mercer County, Missouri last vote Democratic?
The most recent presidential election in which Mercer County, Missouri voted Democratic was 1996.
How many people live in Mercer County, Missouri?
Mercer County, Missouri has a population of 3,482 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Mercer County, Missouri?
Median household income in Mercer County, Missouri is $62,679 — below the national median of $80,734. The Missouri state median is $70,702.
What is the political history of Mercer County, Missouri?
Akashic tracks 38 presidential elections in Mercer County, Missouri from 1876 to 2024. Of those, 6 went Democratic and 27 went Republican.
