Demographics & People — Belleville, Kansas
Population Overview
| Population (Census) | 2,036 |
| Estimated 2026 | ~2,200 |
| Median Age | 38.4 |
| Total Households | 828 |
| Family Households | 447 |
| Average Household Size | 2.38 |
| Diversity Index | 0.1249 (relatively homogeneous) |
Race & Ethnicity
| White | 1,908 |
| Black or African American | 28 |
| Asian | 0 |
| Hispanic or Latino | 107 |
Heritage & Ancestry
| Group | Count |
| German | 608 |
| Unclassified or not reported | 577 |
| Other groups | 285 |
| English | 250 |
| Irish | 231 |
| Czech | 162 |
| American | 130 |
| Hispanic: Hispanic or Latino | 109 |
| Hispanic: Mexican | 95 |
| Swedish | 89 |
Language
| English Only | 1,881 |
| Spanish | 16 |
| Population 5+ | 1,901 |
Veterans
| Veterans | 163 |
| Population 18+ | 1,495 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Belleville, Kansas.