Demographics & People — St. Peter, Minnesota
Population Overview
| Population (Census) | 12,085 |
| Estimated 2026 | ~12,400 |
| Median Age | 35.6 |
| Total Households | 4,014 |
| Family Households | 2,297 |
| Average Household Size | 2.25 |
| Diversity Index | 0.3042 (somewhat diverse) |
Race & Ethnicity
| White | 9,728 |
| Black or African American | 880 |
| Asian | 206 |
| Hispanic or Latino | 954 |
Heritage & Ancestry
| Group | Count |
| German | 4,114 |
| Unclassified or not reported | 3,224 |
| Other groups | 1,484 |
| Norwegian | 1,177 |
| Irish | 1,139 |
| Hispanic: Hispanic or Latino | 964 |
| Swedish | 666 |
| Hispanic: Mexican | 582 |
| English | 520 |
| Polish | 436 |
Language
| English Only | 10,184 |
| Spanish | 625 |
| Population 5+ | 11,639 |
Veterans
| Veterans | 511 |
| Population 18+ | 10,037 |
Commuting
| Mean Commute Time | 15.4 minutes |
| Work from Home | 19.3% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for St. Peter, Minnesota.