Demographics & People — Petersburg, Nebraska
Population Overview
| Population (Census) | 423 |
| Estimated 2026 | ~300 |
| Median Age | 37.9 |
| Total Households | 178 |
| Family Households | 120 |
| Average Household Size | 2.37 |
| Diversity Index | 0.1373 (relatively homogeneous) |
Race & Ethnicity
| White | 387 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 31 |
Heritage & Ancestry
| Group | Count |
| German | 233 |
| Unclassified or not reported | 114 |
| Irish | 52 |
| Other groups | 49 |
| Hispanic: Mexican | 28 |
| Hispanic: Hispanic or Latino | 28 |
| French (except Basque) | 17 |
| Norwegian | 15 |
| American | 14 |
| English | 9 |
Language
| English Only | 392 |
| Spanish | 0 |
| Population 5+ | 392 |
Veterans
| Veterans | 25 |
| Population 18+ | 302 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Petersburg, Nebraska.