Demographics & People — Olsburg, Kansas
Population Overview
| Population (Census) | 274 |
| Estimated 2026 | ~300 |
| Median Age | 40.6 |
| Total Households | 91 |
| Family Households | 75 |
| Average Household Size | 3.01 |
| Diversity Index | 0.022 (relatively homogeneous) |
Race & Ethnicity
| White | 267 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 3 |
Heritage & Ancestry
| Group | Count |
| German | 92 |
| Unclassified or not reported | 51 |
| Swedish | 31 |
| American | 23 |
| Pennsylvania German | 18 |
| Czech | 13 |
| French (except Basque) | 13 |
| English | 12 |
| Irish | 7 |
| Other groups | 6 |
Language
| English Only | 256 |
| Spanish | 0 |
| Population 5+ | 257 |
Veterans
| Veterans | 10 |
| Population 18+ | 162 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Olsburg, Kansas.