Demographics & People — Marquette, Iowa
Population Overview
| Population (Census) | 432 |
|---|
| Estimated 2026 | ~500 |
|---|
| Median Age | 41.4 |
|---|
| Total Households | 241 |
|---|
| Family Households | 91 |
|---|
| Average Household Size | 1.79 |
|---|
| Diversity Index | 0.042 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 412 |
|---|
| Black or African American | 0 |
|---|
| Asian | 2 |
|---|
| Hispanic or Latino | 7 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 181 |
| Unclassified or not reported | 132 |
| Irish | 72 |
| Norwegian | 45 |
| Other groups | 43 |
| English | 37 |
| American | 32 |
| Czech | 16 |
| Swiss | 15 |
| French (except Basque) | 15 |
Language
| English Only | 389 |
|---|
| Spanish | 24 |
|---|
| Population 5+ | 420 |
|---|
Veterans
| Veterans | 50 |
|---|
| Population 18+ | 391 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Marquette, Iowa.
