Demographics & People — Diagonal, Iowa
Population Overview
| Population (Census) | 481 |
|---|
| Estimated 2026 | ~400 |
|---|
| Median Age | 49.2 |
|---|
| Total Households | 151 |
|---|
| Family Households | 113 |
|---|
| Average Household Size | 2.42 |
|---|
| Diversity Index | 0.0684 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 408 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 15 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 137 |
| Unclassified or not reported | 124 |
| English | 96 |
| Irish | 55 |
| Other groups | 55 |
| Scottish | 36 |
| Czech | 28 |
| Hispanic: Hispanic or Latino | 22 |
| Dutch | 21 |
| American | 18 |
Language
| English Only | 462 |
|---|
| Spanish | 5 |
|---|
| Population 5+ | 467 |
|---|
Veterans
| Veterans | 26 |
|---|
| Population 18+ | 369 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Diagonal, Iowa.
