Demographics & People — Johnson City, Kansas
Population Overview
| Population (Census) | 1,244 |
| Estimated 2026 | ~2,600 |
| Median Age | 34.8 |
| Total Households | 541 |
| Family Households | 313 |
| Average Household Size | 2.24 |
| Diversity Index | 0.4819 (moderately diverse) |
Race & Ethnicity
| White | 766 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 521 |
Heritage & Ancestry
| Group | Count |
| Other groups | 736 |
| Hispanic: Mexican | 583 |
| Hispanic: Hispanic or Latino | 583 |
| Unclassified or not reported | 275 |
| German | 200 |
| English | 66 |
| Russian | 52 |
| Scottish | 24 |
| Dutch | 23 |
| Polish | 22 |
Language
| English Only | 681 |
| Spanish | 482 |
| Population 5+ | 1,163 |
Veterans
| Veterans | 57 |
| Population 18+ | 1,084 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Johnson City, Kansas.