Demographics & People — Kappa, Illinois
Population Overview
| Population (Census) | 211 |
| Estimated 2026 | ~300 |
| Median Age | 43.2 |
| Total Households | 104 |
| Family Households | 55 |
| Average Household Size | 2.03 |
| Diversity Index | 0.0564 (relatively homogeneous) |
Race & Ethnicity
| White | 202 |
| Black or African American | 0 |
| Asian | 3 |
| Hispanic or Latino | 3 |
Heritage & Ancestry
| Group | Count |
| German | 78 |
| Unclassified or not reported | 52 |
| Irish | 30 |
| Other groups | 27 |
| American | 12 |
| Italian | 12 |
| English | 8 |
| Swedish | 5 |
| European | 4 |
| Dutch | 4 |
Language
| English Only | 195 |
| Spanish | 1 |
| Population 5+ | 199 |
Veterans
| Veterans | 9 |
| Population 18+ | 158 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Kappa, Illinois.