Mason City, IA
Latest: 2024
Leans Republican — shifted 4.8pp toward Republicans in 2024 — 50K residents — 2 counties
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 89.0% |
▶Hispanic / Latino(10) | 5.3% |
▶Black / African American(5) | 2.1% |
▶Asian(6) | 1.1% |
▶Middle Eastern / North African(2) | 0.1% |
▶Native American / Alaska Native(1) | 0.2% |
Native Hawaiian / Pacific Islander | 0.5% |
Multiracial / Other | 1.8% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Mainline Protestant | 27.4% | 47.4% |
| Evangelical Protestant | 15.6% | 27.0% |
| Catholic | 12.3% | 21.3% |
| Other | 2.0% | 3.4% |
| LDS (Mormon) | 0.7% | 1.2% |
| Orthodox Christian | 0.6% | 1.0% |
| Non-religious | 42.2% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Trump+14.2 |
| 2020 | Trump+9.4 |
| 2016 | Trump+9.8 |
| 2012 | Obama+13.6 |
| 2008 | Obama+21.1 |
| 2004 | Kerry+10.1 |
| 2000 | Gore+12.8 |
| 1996 | Clinton+21.9 |
| 1992 | Clinton+13.2 |
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Constituent Geography
Counties in Mason City, IA
2024 presidential results across the counties that make up this geography.
Sort:
| County | Pop. | Margin | Dem | Rep | Total |
|---|---|---|---|---|---|
| Cerro Gordo | 43K | R+11.6 | 9,955 | 12,627 | 23,020 |
| Worth | 7K | R+28.1 | 1,508 | 2,715 | 4,287 |
2 countiesTotal votes: 27,307
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Race & Ancestry
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 | Mason City, IA | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 89.0% | 57.4% |
▶Hispanic / Latino(10) | 5.3% | 19.3% |
▶Black / African American(5) | 2.1% | 12.2% |
Multiracial / Other | 1.8% | 4.0% |
▶Asian(6) | 1.1% | 6.0% |
Native Hawaiian / Pacific Islander | 0.5% | 0.2% |
▶Native American / Alaska Native(1) | 0.2% | 0.9% |
▶Middle Eastern / North African(2) | 0.1% | 0.9% |
Method notes
Religious Adherents
Population that are religious adherents:
57.8%
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 27.4% | 47.4% | — | — | |
| 15.6% | 27.0% | — | — | |
| 12.3% | 21.3% | — | — | |
| 2.0% | 3.4% | — | — | |
LDS (Mormon) | 0.7% | 1.2% | — | — |
| 0.6% | 1.0% | — | — | |
Non-religiousPopulation | 42.2% | — | — | — |
Who lives in the Mason City, IA metro area? 49,982 residents across 2 counties.
Demographic Comparison
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
50K
Share of U.S. population
0.01%
Voting-age population
77.0%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
$69,563
Poverty rate
10.2%
College degree
23.3%
Homeownership
72.2%
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
44.0 yrs
Age 18–29
13.0%
Age 65+
23.4%
Foreign born
2.3%
Non-English at home
3.6%
English only
96.4%
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