Demographics & People — Delphos, Kansas
Population Overview
| Population (Census) | 314 |
| Estimated 2026 | ~300 |
| Median Age | 46.2 |
| Total Households | 155 |
| Family Households | 89 |
| Average Household Size | 2.03 |
| Diversity Index | 0.1886 (relatively homogeneous) |
Race & Ethnicity
| White | 280 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 33 |
Heritage & Ancestry
| Group | Count |
| German | 125 |
| Unclassified or not reported | 72 |
| English | 65 |
| Italian | 46 |
| Other groups | 37 |
| French (except Basque) | 24 |
| Swedish | 21 |
| Hispanic: Mexican | 17 |
| Hispanic: Hispanic or Latino | 17 |
| Irish | 16 |
Language
| English Only | 269 |
| Spanish | 23 |
| Population 5+ | 292 |
Veterans
| Veterans | 19 |
| Population 18+ | 265 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Delphos, Kansas.