Demographics & People — Colwich, Kansas
Population Overview
| Population (Census) | 1,616 |
| Estimated 2026 | ~1,200 |
| Median Age | 32.7 |
| Total Households | 572 |
| Family Households | 400 |
| Average Household Size | 2.82 |
| Diversity Index | 0.1274 (relatively homogeneous) |
Race & Ethnicity
| White | 1,417 |
| Black or African American | 13 |
| Asian | 0 |
| Hispanic or Latino | 90 |
Heritage & Ancestry
| Group | Count |
| German | 651 |
| Unclassified or not reported | 325 |
| Other groups | 219 |
| Irish | 191 |
| American | 101 |
| Hispanic: Mexican | 77 |
| Hispanic: Hispanic or Latino | 77 |
| French (except Basque) | 61 |
| English | 46 |
| Italian | 25 |
Language
| English Only | 1,411 |
| Spanish | 16 |
| Population 5+ | 1,439 |
Veterans
| Veterans | 65 |
| Population 18+ | 1,128 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Colwich, Kansas.