Arnold City, Missouri
Incorporated place · Latest: 2024
Safe Republican — 21K residents
POPULATION
21K
PRES MARGIN
R+27.0
2024
Place Story
What defines Arnold City
Demographically distinctive: 89% non-Hispanic white (+31pp vs national)
Similar cities
Nearest neighbors matched on the same place-page feature set used across the dossier system.
Located In
Arnold City sits inside these higher-level geographies.
Ask the Historian
Explore Arnold City's political evolution with the Historian
Who Lives Here
A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
| Group | Arnold City | National |
|---|---|---|
White (Non-Hispanic) | 88.7% | 57.4% |
Multiracial / Other | 5.9% | 4.0% |
Hispanic / Latino | 3.0% | 19.3% |
Asian | 1.1% | 6.0% |
Black / African American | 0.9% | 12.2% |
Native American / Alaska Native | 0.2% | 0.9% |
Native Hawaiian / Pacific Islander | 0.1% | 0.2% |
Method notes
Who lives in Arnold City? 20,858 residents as of the 2020 Census.
Demographics
Read this geography's profile in three layers: local, state (where available), and national baseline.
Population & electorate
Scale, voting-age share, and this geography's footprint inside the national electorate.
Total population
21K
Share of U.S. population
0.01%
Voting-age population
78.8%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
N/A
Poverty rate
N/A
College degree
N/A
Homeownership
N/A
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
N/A
Age 18–29
N/A
Age 65+
N/A
Foreign born
N/A
Non-English at home
N/A
English only
N/A
Turnout in Arnold City
Estimated using 2020 Census voting-age population.
66.3%
+2.5pp
16,434
2008–2024
How competitive is Arnold City?
Safe RAvg margin: R+28.3 (last 3 elections)
2008
D+4.4
2012
R+11.6
2016
R+32.1
2020
R+25.8
2024
R+27.0
36.6pp
1
R+18.4
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