Demographics & People — Arthur, North Dakota
Population Overview
| Population (Census) | 357 |
| Estimated 2026 | ~500 |
| Median Age | 42.9 |
| Total Households | 132 |
| Family Households | 92 |
| Average Household Size | 2.51 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 352 |
| Black or African American | 3 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 153 |
| Norwegian | 102 |
| Unclassified or not reported | 65 |
| Irish | 47 |
| Swedish | 25 |
| Czech | 23 |
| Scottish | 11 |
| Danish | 10 |
| English | 10 |
| Other groups | 9 |
Language
| English Only | 321 |
| Spanish | 1 |
| Population 5+ | 329 |
Veterans
| Veterans | 30 |
| Population 18+ | 252 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Arthur, North Dakota.